{"id":296155,"date":"2025-07-09T10:45:10","date_gmt":"2025-07-09T10:45:10","guid":{"rendered":"https:\/\/pocketoption.com\/blog\/news-events\/data\/how-to-transfer-bitcoin-2\/"},"modified":"2025-07-09T10:45:10","modified_gmt":"2025-07-09T10:45:10","slug":"how-to-transfer-bitcoin","status":"publish","type":"post","link":"https:\/\/pocketoption.com\/blog\/vt\/knowledge-base\/learning\/how-to-transfer-bitcoin\/","title":{"rendered":"C\u00e1ch Chuy\u1ec3n Bitcoin: Khung To\u00e1n H\u1ecdc v\u00e0 Ph\u00e2n T\u00edch \u0110\u1eb1ng Sau C\u00e1c Giao D\u1ecbch An To\u00e0n"},"content":{"rendered":"<div id=\"root\"><div id=\"wrap-img-root\"><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":50,"featured_media":220228,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17],"tags":[28,45,44],"class_list":["post-296155","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning","tag-investment","tag-stock","tag-strategy"],"acf":{"h1":"H\u01b0\u1edbng d\u1eabn Pocket Option v\u1ec1 C\u00e1ch Chuy\u1ec3n Bitcoin","h1_source":{"label":"H1","type":"text","formatted_value":"H\u01b0\u1edbng d\u1eabn Pocket Option v\u1ec1 C\u00e1ch Chuy\u1ec3n Bitcoin"},"description":"T\u00ecm hi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin v\u1edbi ph\u00e2n t\u00edch to\u00e1n h\u1ecdc to\u00e0n di\u1ec7n, c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt v\u00e0 k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u h\u00f3a giao d\u1ecbch. Gi\u1ea3i ph\u00e1p th\u1ef1c ti\u1ec5n cho m\u1ecdi k\u1ecbch b\u1ea3n chuy\u1ec3n kho\u1ea3n t\u1eeb Pocket Option.","description_source":{"label":"Description","type":"textarea","formatted_value":"T\u00ecm hi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin v\u1edbi ph\u00e2n t\u00edch to\u00e1n h\u1ecdc to\u00e0n di\u1ec7n, c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt v\u00e0 k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u h\u00f3a giao d\u1ecbch. Gi\u1ea3i ph\u00e1p th\u1ef1c ti\u1ec5n cho m\u1ecdi k\u1ecbch b\u1ea3n chuy\u1ec3n kho\u1ea3n t\u1eeb Pocket Option."},"intro":"Vi\u1ec7c chuy\u1ec3n Bitcoin li\u00ean quan \u0111\u1ebfn nhi\u1ec1u h\u01a1n ch\u1ec9 l\u00e0 nh\u1ea5p chu\u1ed9t v\u00e0o c\u00e1c n\u00fat. \u0110\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc m\u1eadt m\u00e3, \u0111\u1ed9ng l\u1ef1c m\u1ea1ng v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ph\u00ed. B\u00e0i vi\u1ebft n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c c\u01a1 s\u1edf to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c chuy\u1ec3n Bitcoin, c\u01a1 ch\u1ebf x\u00e1c minh giao d\u1ecbch v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c giao d\u1ecbch an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u01b0\u1ee3t xa nh\u1eefng g\u00ec c\u00e1c h\u01b0\u1edbng d\u1eabn th\u00f4ng th\u01b0\u1eddng gi\u1ea3i th\u00edch.","intro_source":{"label":"Intro","type":"text","formatted_value":"Vi\u1ec7c chuy\u1ec3n Bitcoin li\u00ean quan \u0111\u1ebfn nhi\u1ec1u h\u01a1n ch\u1ec9 l\u00e0 nh\u1ea5p chu\u1ed9t v\u00e0o c\u00e1c n\u00fat. \u0110\u00f3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc m\u1eadt m\u00e3, \u0111\u1ed9ng l\u1ef1c m\u1ea1ng v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ph\u00ed. B\u00e0i vi\u1ebft n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c c\u01a1 s\u1edf to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c chuy\u1ec3n Bitcoin, c\u01a1 ch\u1ebf x\u00e1c minh giao d\u1ecbch v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c giao d\u1ecbch an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u01b0\u1ee3t xa nh\u1eefng g\u00ec c\u00e1c h\u01b0\u1edbng d\u1eabn th\u00f4ng th\u01b0\u1eddng gi\u1ea3i th\u00edch."},"body_html":"<div class=\"custom-html-container\">\n<h2>N\u1ec1n t\u1ea3ng To\u00e1n h\u1ecdc c\u1ee7a Chuy\u1ec3n kho\u1ea3n Bitcoin<\/h2>\nHi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc m\u1eadt m\u00e3 b\u1ea3o v\u1ec7 c\u00e1c giao d\u1ecbch n\u00e0y. C\u1ed1t l\u00f5i c\u1ee7a n\u00f3, chuy\u1ec3n kho\u1ea3n Bitcoin d\u1ef1a v\u00e0o Thu\u1eadt to\u00e1n Ch\u1eef k\u00fd S\u1ed1 \u0110\u01b0\u1eddng cong Elliptic (ECDSA) v\u00e0 c\u00e1c h\u00e0m b\u0103m SHA-256 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t khung to\u00e1n h\u1ecdc \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 c\u00f3 ch\u1ee7 s\u1edf h\u1eefu h\u1ee3p ph\u00e1p m\u1edbi c\u00f3 th\u1ec3 chuy\u1ec3n t\u00e0i s\u1ea3n c\u1ee7a h\u1ecd.\n\nKhi h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, ng\u01b0\u1eddi d\u00f9ng n\u00ean nh\u1eadn ra r\u1eb1ng m\u1ed7i giao d\u1ecbch li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra m\u1ed9t ch\u1eef k\u00fd s\u1ed1 b\u1eb1ng kh\u00f3a ri\u00eang c\u1ee7a ng\u01b0\u1eddi g\u1eedi. Ch\u1eef k\u00fd n\u00e0y \u0111\u01b0\u1ee3c suy ra to\u00e1n h\u1ecdc th\u00f4ng qua quy tr\u00ecnh sau:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Th\u00e0nh ph\u1ea7n To\u00e1n h\u1ecdc<\/th>\n<th>Ch\u1ee9c n\u0103ng trong Chuy\u1ec3n kho\u1ea3n Bitcoin<\/th>\n<th>H\u1ec7 qu\u1ea3 B\u1ea3o m\u1eadt<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00f3a ri\u00eang (k)<\/td>\n<td>S\u1ed1 ng\u1eabu nhi\u00ean 256-bit<\/td>\n<td>Ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt; cho ph\u00e9p k\u00fd giao d\u1ecbch<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f3a c\u00f4ng khai (K)<\/td>\n<td>K = k \u00d7 G (trong \u0111\u00f3 G l\u00e0 \u0111i\u1ec3m sinh)<\/td>\n<td>\u0110\u01b0\u1ee3c suy ra t\u1eeb kh\u00f3a ri\u00eang; hi\u1ec3n th\u1ecb trong blockchain<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1eef k\u00fd s\u1ed1 (r,s)<\/td>\n<td>r = t\u1ecda \u0111\u1ed9 x c\u1ee7a k<sup>-1<\/sup> \u00d7 G mod n\ns = k<sup>-1<\/sup>(z + r \u00d7 k) mod n<\/td>\n<td>Ch\u1ee9ng minh quy\u1ec1n s\u1edf h\u1eefu m\u00e0 kh\u00f4ng ti\u1ebft l\u1ed9 kh\u00f3a ri\u00eang<\/td>\n<\/tr>\n<tr>\n<td>B\u0103m giao d\u1ecbch (z)<\/td>\n<td>SHA-256(SHA-256(d\u1eef li\u1ec7u giao d\u1ecbch))<\/td>\n<td>\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh chuy\u1ec3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nKh\u00e1ch h\u00e0ng c\u1ee7a Pocket Option th\u01b0\u1eddng h\u1ecfi v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc to\u00e1n h\u1ecdc n\u00e0y, v\u00ec hi\u1ec3u ch\u00fang mang l\u1ea1i s\u1ef1 t\u1ef1 tin l\u1edbn h\u01a1n khi th\u1ef1c hi\u1ec7n c\u00e1c giao d\u1ecbch. To\u00e1n h\u1ecdc ph\u1ee9c t\u1ea1p t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e0 vi\u1ec7c h\u1ecdc c\u00e1ch g\u1eedi Bitcoin cho ai \u0111\u00f3 tr\u1edf th\u00e0nh m\u1ed9t qu\u00e1 tr\u00ecnh ch\u1eafc ch\u1eafn v\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc thay v\u00ec tin t\u01b0\u1edfng m\u00f9 qu\u00e1ng v\u00e0o c\u00e1c b\u00ean th\u1ee9 ba.\n<h2>Ph\u00e2n t\u00edch T\u1ed1i \u01b0u h\u00f3a Ph\u00ed Giao d\u1ecbch<\/h2>\nM\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a vi\u1ec7c th\u00e0nh th\u1ea1o c\u00e1ch chuy\u1ec3n Bitcoin sang v\u00ed kh\u00e1c l\u00e0 hi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a ph\u00ed giao d\u1ecbch. Th\u1ecb tr\u01b0\u1eddng ph\u00ed ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ea5u gi\u00e1 n\u01a1i c\u00e1c th\u1ee3 m\u1ecf \u01b0u ti\u00ean c\u00e1c giao d\u1ecbch cung c\u1ea5p b\u1ed3i th\u01b0\u1eddng cao h\u01a1n cho m\u1ed7i byte d\u1eef li\u1ec7u.\n<h3>T\u00ednh to\u00e1n Ph\u00ed Giao d\u1ecbch T\u1ed1i \u01b0u<\/h3>\n\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u00e2n t\u00edch ph\u00ed t\u1ed1i \u01b0u cho m\u1ed9t chuy\u1ec3n kho\u1ea3n Bitcoin, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc xem x\u00e9t \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng hi\u1ec7n t\u1ea1i v\u00e0 th\u1eddi gian x\u00e1c nh\u1eadn mong mu\u1ed1n:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>M\u1ee9c \u0111\u1ed9 T\u1eafc ngh\u1ebdn M\u1ea1ng<\/th>\n<th>T\u1ef7 l\u1ec7 Ph\u00ed (satoshis\/vbyte)<\/th>\n<th>Th\u1eddi gian X\u00e1c nh\u1eadn D\u1ef1 ki\u1ebfn<\/th>\n<th>Chi ph\u00ed Giao d\u1ecbch cho Tx 250-byte<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u1ea5p<\/td>\n<td>1-5<\/td>\n<td>~60 ph\u00fat<\/td>\n<td>250-1,250 satoshis (~$0.10-0.50)*<\/td>\n<\/tr>\n<tr>\n<td>Trung b\u00ecnh<\/td>\n<td>6-20<\/td>\n<td>~20 ph\u00fat<\/td>\n<td>1,500-5,000 satoshis (~$0.60-2.00)*<\/td>\n<\/tr>\n<tr>\n<td>Cao<\/td>\n<td>21-80<\/td>\n<td>~10 ph\u00fat<\/td>\n<td>5,250-20,000 satoshis (~$2.10-8.00)*<\/td>\n<\/tr>\n<tr>\n<td>R\u1ea5t cao<\/td>\n<td>81-250+<\/td>\n<td>Kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>20,250-62,500+ satoshis (~$8.10-25.00+)*<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n*L\u01b0u \u00fd: Gi\u00e1 tr\u1ecb \u0111\u00f4 la l\u00e0 x\u1ea5p x\u1ec9 v\u00e0 dao \u0111\u1ed9ng theo thay \u0111\u1ed5i gi\u00e1 Bitcoin.\n\n\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed giao d\u1ecbch c\u1ee7a h\u1ecd, ph\u00e2n t\u00edch d\u1eef li\u1ec7u mempool cung c\u1ea5p \u01b0\u1edbc t\u00ednh ph\u00ed ch\u00ednh x\u00e1c nh\u1ea5t. M\u1ed1i quan h\u1ec7 to\u00e1n h\u1ecdc gi\u1eefa t\u1ef7 l\u1ec7 ph\u00ed v\u00e0 x\u00e1c su\u1ea5t x\u00e1c nh\u1eadn tu\u00e2n theo m\u1ed9t ph\u00e2n ph\u1ed1i phi tuy\u1ebfn t\u00ednh.\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Ph\u1ea7n tr\u0103m Ph\u00ed<\/th>\n<th>X\u00e1c su\u1ea5t X\u00e1c nh\u1eadn<\/th>\n<th>Bi\u1ec3u th\u1ee9c To\u00e1n h\u1ecdc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 10<\/td>\n<td>~10% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.1<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 50<\/td>\n<td>~50% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.5<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 90<\/td>\n<td>~90% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.9<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 99<\/td>\n<td>~99% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.99<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nTh\u00e0nh th\u1ea1o c\u00e1ch g\u1eedi Bitcoin \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 y\u00eau c\u1ea7u hi\u1ec3u th\u1ecb tr\u01b0\u1eddng ph\u00ed \u0111\u1ed9ng n\u00e0y. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb k\u1ef3 v\u1ecdng c\u1ee7a c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00ed kh\u00e1c nhau b\u1eb1ng c\u00f4ng th\u1ee9c:\n\n<strong>EV = (Gi\u00e1 tr\u1ecb c\u1ee7a t\u1ed1c \u0111\u1ed9 x\u00e1c nh\u1eadn) - (Ph\u00ed giao d\u1ecbch)<\/strong>\n\nC\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y cho ph\u00e9p \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u v\u1ec1 t\u1ef7 l\u1ec7 ph\u00ed t\u1ed1i \u01b0u cho b\u1ea5t k\u1ef3 \u01b0u ti\u00ean giao d\u1ecbch n\u00e0o.\n<h2>Qu\u1ea3n l\u00fd UTXO v\u00e0 C\u1ea5u tr\u00fac Giao d\u1ecbch N\u00e2ng cao<\/h2>\nM\u00f4 h\u00ecnh UTXO (Unspent Transaction Output) c\u1ee7a Bitcoin t\u1ea1o ra c\u00e1c c\u01a1 h\u1ed9i t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9c \u0111\u00e1o cho ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin hi\u1ec7u qu\u1ea3. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean t\u00e0i kho\u1ea3n, c\u00e1c giao d\u1ecbch Bitcoin ti\u00eau th\u1ee5 UTXO hi\u1ec7n c\u00f3 v\u00e0 t\u1ea1o ra c\u00e1c UTXO m\u1edbi.\n<h3>T\u1ed1i \u01b0u h\u00f3a To\u00e1n h\u1ecdc c\u1ee7a L\u1ef1a ch\u1ecdn UTXO<\/h3>\nL\u1ef1a ch\u1ecdn UTXO hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 ph\u00ed giao d\u1ecbch v\u00e0 c\u1ea3i thi\u1ec7n quy\u1ec1n ri\u00eang t\u01b0. V\u1ea5n \u0111\u1ec1 to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c ch\u1ecdn UTXO t\u1ed1i \u01b0u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a nh\u01b0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a V\u1ea5n \u0111\u1ec1 Ba l\u00f4:\n<ul>\n  <li>M\u1ee5c ti\u00eau: Gi\u1ea3m thi\u1ec3u k\u00edch th\u01b0\u1edbc giao d\u1ecbch trong khi \u0111\u00e1p \u1ee9ng s\u1ed1 ti\u1ec1n thanh to\u00e1n<\/li>\n  <li>R\u00e0ng bu\u1ed9c: T\u1ed5ng c\u00e1c UTXO \u0111\u01b0\u1ee3c ch\u1ecdn ph\u1ea3i v\u01b0\u1ee3t qu\u00e1 s\u1ed1 ti\u1ec1n thanh to\u00e1n c\u1ed9ng v\u1edbi ph\u00ed<\/li>\n  <li>Bi\u1ebfn s\u1ed1: C\u00e1c bi\u1ebfn l\u1ef1a ch\u1ecdn nh\u1ecb ph\u00e2n cho m\u1ed7i UTXO c\u00f3 s\u1eb5n<\/li>\n<\/ul>\nBi\u1ec3u di\u1ec5n to\u00e1n h\u1ecdc ch\u00ednh th\u1ee9c:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>V\u1ea5n \u0111\u1ec1 T\u1ed1i \u01b0u h\u00f3a<\/th>\n<th>C\u00f4ng th\u1ee9c To\u00e1n h\u1ecdc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Gi\u1ea3m thi\u1ec3u<\/td>\n<td>\u2211(size_i \u00d7 x_i) + overhead<\/td>\n<\/tr>\n<tr>\n<td>V\u1edbi \u0111i\u1ec1u ki\u1ec7n:<\/td>\n<td>\u2211(value_i \u00d7 x_i) \u2265 payment + fee<\/td>\n<\/tr>\n<tr>\n<td>Trong \u0111\u00f3:<\/td>\n<td>x_i \u2208 {0,1} cho t\u1ea5t c\u1ea3 i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, vi\u1ec7c th\u1ef1c hi\u1ec7n l\u1ef1a ch\u1ecdn UTXO th\u00f4ng minh c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m 20-40% ph\u00ed so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ng\u00e2y th\u01a1. Ph\u1ea7n m\u1ec1m v\u00ed n\u00e2ng cao th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a c\u00e1c thu\u1eadt to\u00e1n sau:\n<ul>\n  <li>Branch and Bound: T\u00ecm gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u nh\u01b0ng c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m v\u1ec1 t\u00ednh to\u00e1n<\/li>\n  <li>Greedy Approximation: Nhanh nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng t\u00ecm th\u1ea5y gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u<\/li>\n  <li>Coin Selection Algorithm: C\u00e1ch ti\u1ebfp c\u1eadn c\u1ee7a Bitcoin Core c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u h\u00f3a v\u1edbi ng\u1eabu nhi\u00ean h\u00f3a<\/li>\n<\/ul>\n<h2>Ph\u00e2n t\u00edch Truy\u1ec1n t\u1ea3i M\u1ea1ng v\u00e0 X\u00e1c su\u1ea5t X\u00e1c nh\u1eadn<\/h2>\nKhi b\u1ea1n h\u1ecdc c\u00e1ch g\u1eedi Bitcoin \u0111\u1ebfn c\u00e1c \u0111\u1ecba ch\u1ec9 v\u00ed, hi\u1ec3u \u0111\u1ed9ng l\u1ef1c truy\u1ec1n t\u1ea3i m\u1ea1ng tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch nh\u1ea1y c\u1ea3m v\u1ec1 th\u1eddi gian. M\u1ea1ng Bitcoin ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o k\u1ebft n\u1ed1i n\u00fat v\u00e0 ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd.\n\nX\u00e1c su\u1ea5t m\u1ed9t giao d\u1ecbch \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee5 th\u1ec3 c\u1ee7a m\u1ea1ng trong th\u1eddi gian t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u00e2n ph\u1ed1i m\u0169:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Ph\u1ea1m vi M\u1ea1ng<\/th>\n<th>M\u00f4 h\u00ecnh To\u00e1n h\u1ecdc<\/th>\n<th>Th\u1eddi gian \u0110i\u1ec3n h\u00ecnh (gi\u00e2y)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>50% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 - e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.35<\/td>\n<td>~2.0<\/td>\n<\/tr>\n<tr>\n<td>75% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 - e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.23<\/td>\n<td>~3.2<\/td>\n<\/tr>\n<tr>\n<td>90% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 - e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.15<\/td>\n<td>~5.3<\/td>\n<\/tr>\n<tr>\n<td>99% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 - e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.07<\/td>\n<td>~11.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\u0110\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch c\u00f3 gi\u00e1 tr\u1ecb cao tr\u00ean Pocket Option, hi\u1ec3u c\u00e1c \u0111\u1ed9ng l\u1ef1c truy\u1ec1n t\u1ea3i n\u00e0y c\u00f3 th\u1ec3 th\u00f4ng b\u00e1o th\u1eddi gian ch\u1edd tr\u01b0\u1edbc khi coi m\u1ed9t giao d\u1ecbch l\u00e0 \"\u0111\u00e3 ph\u00e1t s\u00f3ng.\" Qu\u00e1 tr\u00ecnh x\u00e1c nh\u1eadn th\u00eam m\u1ed9t l\u1edbp ph\u00e2n t\u00edch x\u00e1c su\u1ea5t kh\u00e1c:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>X\u00e1c nh\u1eadn<\/th>\n<th>X\u00e1c su\u1ea5t T\u00e1i t\u1ed5 ch\u1ee9c<\/th>\n<th>Khuy\u1ebfn ngh\u1ecb cho Gi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>~0.24%<\/td>\n<td>&lt; $1,000<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>~0.05%<\/td>\n<td>$1,000 - $10,000<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>~0.01%<\/td>\n<td>$10,000 - $50,000<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>~0.0002%<\/td>\n<td>&gt; $50,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nX\u00e1c su\u1ea5t to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c \u0111\u1ea3o ng\u01b0\u1ee3c giao d\u1ecbch gi\u1ea3m theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1edbi m\u1ed7i l\u1ea7n x\u00e1c nh\u1eadn, theo x\u1ea5p x\u1ec9: P(reversal) \u2248 (q\/p)<sup>n<\/sup>, trong \u0111\u00f3 q l\u00e0 t\u1ef7 l\u1ec7 hashrate c\u1ee7a k\u1ebb t\u1ea5n c\u00f4ng, p l\u00e0 t\u1ef7 l\u1ec7 hashrate c\u1ee7a m\u1ea1ng trung th\u1ef1c, v\u00e0 n l\u00e0 s\u1ed1 l\u1ea7n x\u00e1c nh\u1eadn.\n<h2>C\u00e1c Giao th\u1ee9c B\u1ea3o m\u1eadt N\u00e2ng cao cho Chuy\u1ec3n kho\u1ea3n Bitcoin<\/h2>\nHi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin an to\u00e0n y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt nhi\u1ec1u l\u1edbp. C\u00e1c nguy\u00ean t\u1eafc to\u00e1n h\u1ecdc c\u1ee7a b\u1ea3o m\u1eadt th\u00f4ng tin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra m\u1ed9t khung b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd cho an to\u00e0n giao d\u1ecbch.\n<h3>Ph\u00e2n t\u00edch Entropy cho T\u1ea1o kh\u00f3a An to\u00e0n<\/h3>\nB\u1ea3o m\u1eadt c\u1ee7a b\u1ea5t k\u1ef3 chuy\u1ec3n kho\u1ea3n Bitcoin n\u00e0o b\u1eaft \u0111\u1ea7u v\u1edbi entropy \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o kh\u00f3a ri\u00eang. M\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c bit entropy v\u00e0 b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Ngu\u1ed3n Entropy<\/th>\n<th>S\u1ed1 bit Entropy<\/th>\n<th>M\u1ee9c \u0111\u1ed9 B\u1ea3o m\u1eadt<\/th>\n<th>\u0110\u1ed9 kh\u00f3 T\u1ea5n c\u00f4ng Brute Force<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>12 t\u1eeb ghi nh\u1edb<\/td>\n<td>128 bit<\/td>\n<td>Cao<\/td>\n<td>2<sup>128<\/sup> t\u1ed5 h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td>24 t\u1eeb ghi nh\u1edb<\/td>\n<td>256 bit<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>2<sup>256<\/sup> t\u1ed5 h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td>Quay x\u00fac x\u1eafc (100 l\u1ea7n)<\/td>\n<td>~258 bit<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>2<sup>258<\/sup> t\u1ed5 h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td>M\u1eadt kh\u1ea9u y\u1ebfu<\/td>\n<td>~20-30 bit<\/td>\n<td>R\u1ea5t th\u1ea5p<\/td>\n<td>2<sup>30<\/sup> t\u1ed5 h\u1ee3p (c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nPocket Option khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o kh\u00f3a c\u00f3 entropy cao khi t\u1ea1o v\u00ed cho chuy\u1ec3n kho\u1ea3n Bitcoin. Bi\u00ean \u0111\u1ed9 b\u1ea3o m\u1eadt to\u00e1n h\u1ecdc n\u00ean v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n nhi\u1ec1u b\u1eadc.\n\n\u0110\u1ec3 chuy\u1ec3n kho\u1ea3n Bitcoin an to\u00e0n, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c s\u01a1 \u0111\u1ed3 \u0111a ch\u1eef k\u00fd th\u00eam m\u1ed9t chi\u1ec1u b\u1ea3o m\u1eadt kh\u00e1c. X\u00e1c su\u1ea5t b\u1ecb x\u00e2m ph\u1ea1m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u00e2n ph\u1ed1i nh\u1ecb th\u1ee9c:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>C\u1ea5u tr\u00fac Multisig<\/th>\n<th>M\u00f4 h\u00ecnh B\u1ea3o m\u1eadt To\u00e1n h\u1ecdc<\/th>\n<th>X\u00e1c su\u1ea5t B\u1ecb x\u00e2m ph\u1ea1m*<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2-of-3<\/td>\n<td>P = C(3,2)p<sup>2<\/sup>(1-p) + C(3,3)p<sup>3<\/sup><\/td>\n<td>0.0291<\/td>\n<\/tr>\n<tr>\n<td>3-of-5<\/td>\n<td>P = \u2211<sub>i=3<\/sub><sup>5<\/sup> C(5,i)p<sup>i<\/sup>(1-p)<sup>5-i<\/sup><\/td>\n<td>0.0102<\/td>\n<\/tr>\n<tr>\n<td>5-of-7<\/td>\n<td>P = \u2211<sub>i=5<\/sub><sup>7<\/sup> C(7,i)p<sup>i<\/sup>(1-p)<sup>7-i<\/sup><\/td>\n<td>0.0047<\/td>\n<\/tr>\n<tr>\n<td>7-of-10<\/td>\n<td>P = \u2211<sub>i=7<\/sub><sup>10<\/sup> C(10,i)p<sup>i<\/sup>(1-p)<sup>10-i<\/sup><\/td>\n<td>0.0016<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n*Gi\u1ea3 s\u1eed x\u00e1c su\u1ea5t b\u1ecb x\u00e2m ph\u1ea1m kh\u00f3a c\u00e1 nh\u00e2n p = 0.1\n\nKhi h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, ng\u01b0\u1eddi d\u00f9ng n\u00ean \u0111\u00e1nh gi\u00e1 c\u00e1c m\u00f4 h\u00ecnh b\u1ea3o m\u1eadt n\u00e0y so v\u1edbi h\u1ed3 s\u01a1 \u0111e d\u1ecda c\u1ee5 th\u1ec3 v\u00e0 gi\u00e1 tr\u1ecb r\u1ee7i ro c\u1ee7a h\u1ecd.\n<h2>Ph\u00e2n t\u00edch \u0110\u1ecbnh d\u1ea1ng \u0110\u1ecba ch\u1ec9 v\u00e0 Kh\u1ea3 n\u0103ng Ph\u00e1t hi\u1ec7n L\u1ed7i<\/h2>\nM\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a vi\u1ec7c h\u1ecdc c\u00e1ch g\u1eedi Bitcoin \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 l\u00e0 hi\u1ec3u kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n l\u1ed7i to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 kh\u00e1c nhau. \u0110\u1ecba ch\u1ec9 Bitcoin t\u00edch h\u1ee3p c\u00e1c thu\u1eadt to\u00e1n ki\u1ec3m tra t\u1ed5ng gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 x\u00e1c su\u1ea5t l\u1ed7i giao d\u1ecbch do l\u1ed7i \u0111\u00e1nh m\u00e1y ho\u1eb7c h\u1ecfng h\u00f3c.\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>\u0110\u1ecbnh d\u1ea1ng \u0110\u1ecba ch\u1ec9<\/th>\n<th>Thu\u1eadt to\u00e1n Ki\u1ec3m tra T\u1ed5ng<\/th>\n<th>Kh\u1ea3 n\u0103ng Ph\u00e1t hi\u1ec7n L\u1ed7i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Legacy (P2PKH)<\/td>\n<td>Double SHA-256<\/td>\n<td>Ph\u00e1t hi\u1ec7n 99.9% l\u1ed7i<\/td>\n<\/tr>\n<tr>\n<td>SegWit (P2SH)<\/td>\n<td>Double SHA-256<\/td>\n<td>Ph\u00e1t hi\u1ec7n 99.9% l\u1ed7i<\/td>\n<\/tr>\n<tr>\n<td>Bech32 (Native SegWit)<\/td>\n<td>M\u00e3 BCH<\/td>\n<td>Ph\u00e1t hi\u1ec7n 100% l\u1ed7i 1-bit, \u0111\u1ecbnh v\u1ecb l\u1ed7i l\u00ean \u0111\u1ebfn 4-bit<\/td>\n<\/tr>\n<tr>\n<td>Bech32m (Taproot)<\/td>\n<td>M\u00e3 BCH s\u1eeda \u0111\u1ed5i<\/td>\n<td>Ph\u00e1t hi\u1ec7n 100% l\u1ed7i 1-bit, c\u1ea3i thi\u1ec7n \u0111\u1ecbnh v\u1ecb l\u1ed7i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nC\u00e1c thu\u1ed9c t\u00ednh to\u00e1n h\u1ecdc c\u1ee7a ph\u00e1t hi\u1ec7n l\u1ed7i Bech32 cung c\u1ea5p l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 khi chuy\u1ec3n Bitcoin. \u0110a th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Bech32 l\u00e0:\n\n<strong>x<sup>6<\/sup> + x<sup>4<\/sup> + x<sup>1<\/sup> + 1<\/strong>\n\n\u0110a th\u1ee9c n\u00e0y t\u1ea1o ra m\u1ed9t m\u00e3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i m\u1ed9t bit, t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i hai bit, t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i c\u00f3 s\u1ed1 bit l\u1ebb, v\u00e0 h\u1ea7u h\u1ebft c\u00e1c l\u1ed7i c\u00f3 s\u1ed1 bit ch\u1eb5n. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option chuy\u1ec3n gi\u00e1 tr\u1ecb l\u1edbn, hi\u1ec3u kh\u1ea3 n\u0103ng s\u1eeda l\u1ed7i n\u00e0y mang l\u1ea1i s\u1ef1 y\u00ean t\u00e2m c\u1ea7n thi\u1ebft.\n<h2>Quy\u1ec1n ri\u00eang t\u01b0 Giao d\u1ecbch v\u00e0 Ph\u00e2n t\u00edch Th\u1ed1ng k\u00ea<\/h2>\nC\u00e1c c\u00e2n nh\u1eafc v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 l\u00e0 r\u1ea5t quan tr\u1ecdng khi h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin. T\u00ednh \u1ea9n danh c\u1ee7a Bitcoin t\u1ea1o ra m\u1ed9t th\u00e1ch th\u1ee9c th\u1ed1ng k\u00ea \u0111\u1ed9c \u0111\u00e1o cho ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm s\u1ef1 b\u1ea3o m\u1eadt. Ph\u00e2n t\u00edch \u0111\u1ed3 th\u1ecb giao d\u1ecbch s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt ph\u00e2n c\u1ee5m to\u00e1n h\u1ecdc \u0111\u1ec3 c\u00f3 th\u1ec3 li\u00ean k\u1ebft c\u00e1c giao d\u1ecbch v\u1edbi danh t\u00ednh th\u1ef1c t\u1ebf.\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>K\u1ef9 thu\u1eadt Quy\u1ec1n ri\u00eang t\u01b0<\/th>\n<th>M\u00f4 h\u00ecnh To\u00e1n h\u1ecdc<\/th>\n<th>T\u0103ng Entropy<\/th>\n<th>\u0110\u1ed9 ph\u1ee9c t\u1ea1p Th\u1ef1c hi\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tr\u00e1nh t\u00e1i s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9<\/td>\n<td>T\u0103ng tuy\u1ebfn t\u00ednh trong t\u1eadp h\u1ee3p \u1ea9n danh<\/td>\n<td>+2-4 bit cho m\u1ed7i \u0111\u1ecba ch\u1ec9 m\u1edbi<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>CoinJoin (n ng\u01b0\u1eddi tham gia)<\/td>\n<td>Quy\u1ec1n ri\u00eang t\u01b0 t\u1ed5 h\u1ee3p: n! \u00e1nh x\u1ea1 c\u00f3 th\u1ec3<\/td>\n<td>+log\u2082(n!) bit<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>PayJoin<\/td>\n<td>L\u00e0m m\u1edd \u0111\u1ed3 th\u1ecb giao d\u1ecbch v\u1edbi \u0111\u1ea7u v\u00e0o m\u01a1 h\u1ed3<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i, th\u01b0\u1eddng +5-10 bit<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea1ng Lightning<\/td>\n<td>Giao d\u1ecbch ngo\u00e0i chu\u1ed7i v\u1edbi \u0111\u1ecbnh tuy\u1ebfn h\u00e0nh<\/td>\n<td>+20-30 bit t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0i tuy\u1ebfn<\/td>\n<td>Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\u0110\u1ed1i v\u1edbi kh\u00e1ch h\u00e0ng c\u1ee7a Pocket Option quan t\u00e2m \u0111\u1ebfn quy\u1ec1n ri\u00eang t\u01b0, hi\u1ec3u s\u1ef1 gia t\u0103ng entropy t\u1eeb c\u00e1c k\u1ef9 thu\u1eadt kh\u00e1c nhau cung c\u1ea5p m\u1ed9t khung \u0111\u1ecbnh l\u01b0\u1ee3ng cho c\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 khi chuy\u1ec3n Bitcoin.\n\nX\u00e1c su\u1ea5t th\u1ed1ng k\u00ea c\u1ee7a vi\u1ec7c li\u00ean k\u1ebft giao d\u1ecbch gi\u1ea3m theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt quy\u1ec1n ri\u00eang t\u01b0 th\u00edch h\u1ee3p. V\u00ed d\u1ee5, v\u1edbi n ng\u01b0\u1eddi tham gia CoinJoin, x\u00e1c su\u1ea5t \u00e1nh x\u1ea1 \u0111\u1ea7u v\u00e0o-\u0111\u1ea7u ra ch\u00ednh x\u00e1c x\u1ea5p x\u1ec9 1\/n! gi\u1ea3 s\u1eed c\u00e1c \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng nhau.\n<h2>Chi\u1ebfn l\u01b0\u1ee3c Giao d\u1ecbch Nh\u1ea1y c\u1ea3m v\u1ec1 Th\u1eddi gian<\/h2>\nHi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin hi\u1ec7u qu\u1ea3 y\u00eau c\u1ea7u l\u1eadp chi\u1ebfn l\u01b0\u1ee3c xung quanh c\u00e1c m\u1eabu t\u1eafc ngh\u1ebdn m\u1ea1ng. Ph\u00e2n t\u00edch th\u1ed1ng k\u00ea d\u1eef li\u1ec7u mempool l\u1ecbch s\u1eed ti\u1ebft l\u1ed9 c\u00e1c m\u1eabu chu k\u1ef3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a th\u1eddi gian giao d\u1ecbch:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Th\u1eddi gian<\/th>\n<th>K\u00edch th\u01b0\u1edbc Mempool Trung b\u00ecnh<\/th>\n<th>Ph\u00ed Ph\u1ee5 tr\u1ed9i<\/th>\n<th>T\u1ed1i \u01b0u cho Giao d\u1ecbch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ng\u00e0y th\u01b0\u1eddng 00:00-04:00 UTC<\/td>\n<td>-30% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>-35% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>Kh\u00f4ng kh\u1ea9n c\u1ea5p, l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>Ng\u00e0y th\u01b0\u1eddng 12:00-16:00 UTC<\/td>\n<td>+45% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>+60% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>Tr\u00e1nh n\u1ebfu c\u00f3 th\u1ec3<\/td>\n<\/tr>\n<tr>\n<td>Cu\u1ed1i tu\u1ea7n<\/td>\n<td>-20% so v\u1edbi trung b\u00ecnh h\u00e0ng tu\u1ea7n<\/td>\n<td>-25% so v\u1edbi trung b\u00ecnh h\u00e0ng tu\u1ea7n<\/td>\n<td>\u01afu ti\u00ean trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Sau \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 kh\u00f3<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i (\u00b125%)<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i (\u00b130%)<\/td>\n<td>Theo d\u00f5i ch\u1eb7t ch\u1ebd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nM\u1ed1i quan h\u1ec7 to\u00e1n h\u1ecdc gi\u1eefa t\u1eafc ngh\u1ebdn mempool v\u00e0 th\u1eddi gian giao d\u1ecbch t\u1ed1i \u01b0u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a nh\u01b0 m\u1ed9t chu\u1ed7i th\u1eddi gian v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n m\u00f9a v\u1ee5. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch Pocket Option c\u1ea7n chuy\u1ec3n Bitcoin cho c\u00e1c c\u01a1 h\u1ed9i nh\u1ea1y c\u1ea3m v\u1ec1 th\u1eddi gian, ph\u00e2n t\u00edch n\u00e0y cung c\u1ea5p th\u00f4ng tin c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng.\n\nM\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn tinh vi h\u01a1n li\u00ean quan \u0111\u1ebfn vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng c\u1ee7a mempool b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh vi ph\u00e2n:\n\n<strong>dM\/dt = \u03bb - \u03bcB<\/strong>\n\nTrong \u0111\u00f3 M l\u00e0 k\u00edch th\u01b0\u1edbc mempool t\u00ednh b\u1eb1ng byte, \u03bb l\u00e0 t\u1ef7 l\u1ec7 \u0111\u1ebfn c\u1ee7a giao d\u1ecbch, \u03bc l\u00e0 t\u1ef7 l\u1ec7 gi\u1ea3i ph\u00f3ng m\u1ed7i kh\u1ed1i, v\u00e0 B l\u00e0 k\u00edch th\u01b0\u1edbc kh\u1ed1i trung b\u00ecnh. M\u00f4 h\u00ecnh n\u00e0y c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n th\u1eddi gian giao d\u1ecbch t\u1ed1i \u01b0u v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.\n<h2>T\u01b0\u01a1ng lai c\u1ee7a Chuy\u1ec3n kho\u1ea3n Bitcoin v\u1edbi Ph\u00e2n t\u00edch Ti\u1ebfn h\u00f3a Giao th\u1ee9c<\/h2>\nKhi ng\u01b0\u1eddi d\u00f9ng h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, h\u1ecd n\u00ean hi\u1ec3u c\u00e1c h\u1ec7 qu\u1ea3 to\u00e1n h\u1ecdc c\u1ee7a c\u00e1c n\u00e2ng c\u1ea5p giao th\u1ee9c. L\u1ed9 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a Bitcoin bao g\u1ed3m m\u1ed9t s\u1ed1 n\u00e2ng c\u1ea5p s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o m\u1eadt giao d\u1ecbch:\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>N\u00e2ng c\u1ea5p Giao th\u1ee9c<\/th>\n<th>\u1ea2nh h\u01b0\u1edfng To\u00e1n h\u1ecdc<\/th>\n<th>L\u1ee3i \u00edch Hi\u1ec7u qu\u1ea3<\/th>\n<th>Th\u1eddi gian \u00c1p d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Taproot<\/td>\n<td>Ch\u1eef k\u00fd Schnorr: nR + sG = eP<\/td>\n<td>Gi\u1ea3m 10-15% k\u00edch th\u01b0\u1edbc cho c\u00e1c k\u1ecbch b\u1ea3n ph\u1ee9c t\u1ea1p<\/td>\n<td>\u0110\u00e3 k\u00edch ho\u1ea1t (Kh\u1ed1i 709,632)<\/td>\n<\/tr>\n<tr>\n<td>X\u00e1c minh L\u00f4 Schnorr<\/td>\n<td>X\u00e1c minh n ch\u1eef k\u00fd trong O(n) thao t\u00e1c<\/td>\n<td>Gi\u1ea3m 30-70% s\u1eed d\u1ee5ng CPU cho x\u00e1c minh<\/td>\n<td>\u0110\u00e3 th\u1ef1c hi\u1ec7n nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed5ng h\u1ee3p Ch\u1eef k\u00fd \u0110\u1ea7u v\u00e0o Ch\u00e9o<\/td>\n<td>M\u1ed9t ch\u1eef k\u00fd cho nhi\u1ec1u \u0111\u1ea7u v\u00e0o<\/td>\n<td>Gi\u1ea3m 30-40% k\u00edch th\u01b0\u1edbc cho c\u00e1c giao d\u1ecbch nhi\u1ec1u \u0111\u1ea7u v\u00e0o<\/td>\n<td>\u0110\u1ec1 xu\u1ea5t, th\u1eddi gian kh\u00f4ng ch\u1eafc ch\u1eafn<\/td>\n<\/tr>\n<tr>\n<td>MAST (C\u00e2y C\u00fa ph\u00e1p Tr\u1eebu t\u01b0\u1ee3ng Merklized)<\/td>\n<td>\u0110\u1ed9 ph\u1ee9c t\u1ea1p O(log n) cho x\u00e1c minh k\u1ecbch b\u1ea3n<\/td>\n<td>Gi\u1ea3m 40-60% k\u00edch th\u01b0\u1edbc cho c\u00e1c h\u1ee3p \u0111\u1ed3ng ph\u1ee9c t\u1ea1p<\/td>\n<td>\u0110\u00e3 th\u1ef1c hi\u1ec7n m\u1ed9t ph\u1ea7n qua Taproot<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\nKh\u00e1ch h\u00e0ng c\u1ee7a Pocket Option n\u00ean theo d\u00f5i c\u00e1c ph\u00e1t tri\u1ec3n giao th\u1ee9c n\u00e0y v\u00ec ch\u00fang c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u qu\u1ea3, b\u1ea3o m\u1eadt v\u00e0 chi ph\u00ed giao d\u1ecbch khi chuy\u1ec3n Bitcoin.\n\n[cta_button text=\"B\u1eaft \u0111\u1ea7u Giao d\u1ecbch\"]\n<h2>K\u1ebft lu\u1eadn: L\u1ee3i th\u1ebf Ph\u00e2n t\u00edch trong Chuy\u1ec3n kho\u1ea3n Bitcoin<\/h2>\nTh\u00e0nh th\u1ea1o c\u00e1ch chuy\u1ec3n Bitcoin v\u01b0\u1ee3t xa qu\u00e1 tr\u00ecnh c\u01a1 h\u1ecdc c\u1ee7a vi\u1ec7c g\u1eedi t\u1eeb \u0111\u1ecba ch\u1ec9 n\u00e0y sang \u0111\u1ecba ch\u1ec9 kh\u00e1c. C\u00e1c khung to\u00e1n h\u1ecdc v\u00e0 ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn cung c\u1ea5p s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 giao d\u1ecbch, b\u1ea3o m\u1eadt v\u00e0 chi ph\u00ed.\n\nB\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc m\u1eadt m\u00e3, chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ph\u00ed, k\u1ef9 thu\u1eadt qu\u1ea3n l\u00fd UTXO, v\u00e0 c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c n\u00eau trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng m\u1ea1ng Bitcoin. C\u00e1c c\u00e1ch ti\u1ebfp c\u1eadn ph\u00e2n t\u00edch n\u00e0y bi\u1ebfn chuy\u1ec3n kho\u1ea3n Bitcoin t\u1eeb c\u00e1c quy tr\u00ecnh m\u1edd \u0111\u1ee5c th\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a.\n\n\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c n\u00e2ng cao n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c giao d\u1ecbch an to\u00e0n h\u01a1n, ph\u00ed th\u1ea5p h\u01a1n, th\u1eddi gian t\u1ed1t h\u01a1n, v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 \u0111\u01b0\u1ee3c n\u00e2ng cao. Khi giao th\u1ee9c Bitcoin ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, duy tr\u00ec m\u1ed9t quan \u0111i\u1ec3m ph\u00e2n t\u00edch s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng chi\u1ebfn l\u01b0\u1ee3c chuy\u1ec3n kho\u1ea3n c\u1ee7a b\u1ea1n v\u1eabn t\u1ed1i \u01b0u trong m\u1ed9t h\u1ec7 sinh th\u00e1i ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p.\n\nD\u00f9 b\u1ea1n \u0111ang chuy\u1ec3n s\u1ed1 ti\u1ec1n nh\u1ecf hay qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n l\u1edbn, \u00e1p d\u1ee5ng c\u00e1c khung to\u00e1n h\u1ecdc n\u00e0y cung c\u1ea5p n\u1ec1n t\u1ea3ng cho c\u00e1c chuy\u1ec3n kho\u1ea3n Bitcoin t\u1ef1 tin, hi\u1ec7u qu\u1ea3 trong b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng n\u00e0o.\n\n<\/div>","body_html_source":{"label":"Body HTML","type":"wysiwyg","formatted_value":"<div class=\"custom-html-container\">\n<h2>N\u1ec1n t\u1ea3ng To\u00e1n h\u1ecdc c\u1ee7a Chuy\u1ec3n kho\u1ea3n Bitcoin<\/h2>\n<p>Hi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc m\u1eadt m\u00e3 b\u1ea3o v\u1ec7 c\u00e1c giao d\u1ecbch n\u00e0y. C\u1ed1t l\u00f5i c\u1ee7a n\u00f3, chuy\u1ec3n kho\u1ea3n Bitcoin d\u1ef1a v\u00e0o Thu\u1eadt to\u00e1n Ch\u1eef k\u00fd S\u1ed1 \u0110\u01b0\u1eddng cong Elliptic (ECDSA) v\u00e0 c\u00e1c h\u00e0m b\u0103m SHA-256 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t khung to\u00e1n h\u1ecdc \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 c\u00f3 ch\u1ee7 s\u1edf h\u1eefu h\u1ee3p ph\u00e1p m\u1edbi c\u00f3 th\u1ec3 chuy\u1ec3n t\u00e0i s\u1ea3n c\u1ee7a h\u1ecd.<\/p>\n<p>Khi h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, ng\u01b0\u1eddi d\u00f9ng n\u00ean nh\u1eadn ra r\u1eb1ng m\u1ed7i giao d\u1ecbch li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra m\u1ed9t ch\u1eef k\u00fd s\u1ed1 b\u1eb1ng kh\u00f3a ri\u00eang c\u1ee7a ng\u01b0\u1eddi g\u1eedi. Ch\u1eef k\u00fd n\u00e0y \u0111\u01b0\u1ee3c suy ra to\u00e1n h\u1ecdc th\u00f4ng qua quy tr\u00ecnh sau:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Th\u00e0nh ph\u1ea7n To\u00e1n h\u1ecdc<\/th>\n<th>Ch\u1ee9c n\u0103ng trong Chuy\u1ec3n kho\u1ea3n Bitcoin<\/th>\n<th>H\u1ec7 qu\u1ea3 B\u1ea3o m\u1eadt<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00f3a ri\u00eang (k)<\/td>\n<td>S\u1ed1 ng\u1eabu nhi\u00ean 256-bit<\/td>\n<td>Ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt; cho ph\u00e9p k\u00fd giao d\u1ecbch<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f3a c\u00f4ng khai (K)<\/td>\n<td>K = k \u00d7 G (trong \u0111\u00f3 G l\u00e0 \u0111i\u1ec3m sinh)<\/td>\n<td>\u0110\u01b0\u1ee3c suy ra t\u1eeb kh\u00f3a ri\u00eang; hi\u1ec3n th\u1ecb trong blockchain<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1eef k\u00fd s\u1ed1 (r,s)<\/td>\n<td>r = t\u1ecda \u0111\u1ed9 x c\u1ee7a k<sup>-1<\/sup> \u00d7 G mod n<br \/>\ns = k<sup>-1<\/sup>(z + r \u00d7 k) mod n<\/td>\n<td>Ch\u1ee9ng minh quy\u1ec1n s\u1edf h\u1eefu m\u00e0 kh\u00f4ng ti\u1ebft l\u1ed9 kh\u00f3a ri\u00eang<\/td>\n<\/tr>\n<tr>\n<td>B\u0103m giao d\u1ecbch (z)<\/td>\n<td>SHA-256(SHA-256(d\u1eef li\u1ec7u giao d\u1ecbch))<\/td>\n<td>\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh chuy\u1ec3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Kh\u00e1ch h\u00e0ng c\u1ee7a Pocket Option th\u01b0\u1eddng h\u1ecfi v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc to\u00e1n h\u1ecdc n\u00e0y, v\u00ec hi\u1ec3u ch\u00fang mang l\u1ea1i s\u1ef1 t\u1ef1 tin l\u1edbn h\u01a1n khi th\u1ef1c hi\u1ec7n c\u00e1c giao d\u1ecbch. To\u00e1n h\u1ecdc ph\u1ee9c t\u1ea1p t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e0 vi\u1ec7c h\u1ecdc c\u00e1ch g\u1eedi Bitcoin cho ai \u0111\u00f3 tr\u1edf th\u00e0nh m\u1ed9t qu\u00e1 tr\u00ecnh ch\u1eafc ch\u1eafn v\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc thay v\u00ec tin t\u01b0\u1edfng m\u00f9 qu\u00e1ng v\u00e0o c\u00e1c b\u00ean th\u1ee9 ba.<\/p>\n<h2>Ph\u00e2n t\u00edch T\u1ed1i \u01b0u h\u00f3a Ph\u00ed Giao d\u1ecbch<\/h2>\n<p>M\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a vi\u1ec7c th\u00e0nh th\u1ea1o c\u00e1ch chuy\u1ec3n Bitcoin sang v\u00ed kh\u00e1c l\u00e0 hi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a ph\u00ed giao d\u1ecbch. Th\u1ecb tr\u01b0\u1eddng ph\u00ed ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ea5u gi\u00e1 n\u01a1i c\u00e1c th\u1ee3 m\u1ecf \u01b0u ti\u00ean c\u00e1c giao d\u1ecbch cung c\u1ea5p b\u1ed3i th\u01b0\u1eddng cao h\u01a1n cho m\u1ed7i byte d\u1eef li\u1ec7u.<\/p>\n<h3>T\u00ednh to\u00e1n Ph\u00ed Giao d\u1ecbch T\u1ed1i \u01b0u<\/h3>\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u00e2n t\u00edch ph\u00ed t\u1ed1i \u01b0u cho m\u1ed9t chuy\u1ec3n kho\u1ea3n Bitcoin, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc xem x\u00e9t \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng hi\u1ec7n t\u1ea1i v\u00e0 th\u1eddi gian x\u00e1c nh\u1eadn mong mu\u1ed1n:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>M\u1ee9c \u0111\u1ed9 T\u1eafc ngh\u1ebdn M\u1ea1ng<\/th>\n<th>T\u1ef7 l\u1ec7 Ph\u00ed (satoshis\/vbyte)<\/th>\n<th>Th\u1eddi gian X\u00e1c nh\u1eadn D\u1ef1 ki\u1ebfn<\/th>\n<th>Chi ph\u00ed Giao d\u1ecbch cho Tx 250-byte<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u1ea5p<\/td>\n<td>1-5<\/td>\n<td>~60 ph\u00fat<\/td>\n<td>250-1,250 satoshis (~$0.10-0.50)*<\/td>\n<\/tr>\n<tr>\n<td>Trung b\u00ecnh<\/td>\n<td>6-20<\/td>\n<td>~20 ph\u00fat<\/td>\n<td>1,500-5,000 satoshis (~$0.60-2.00)*<\/td>\n<\/tr>\n<tr>\n<td>Cao<\/td>\n<td>21-80<\/td>\n<td>~10 ph\u00fat<\/td>\n<td>5,250-20,000 satoshis (~$2.10-8.00)*<\/td>\n<\/tr>\n<tr>\n<td>R\u1ea5t cao<\/td>\n<td>81-250+<\/td>\n<td>Kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>20,250-62,500+ satoshis (~$8.10-25.00+)*<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>*L\u01b0u \u00fd: Gi\u00e1 tr\u1ecb \u0111\u00f4 la l\u00e0 x\u1ea5p x\u1ec9 v\u00e0 dao \u0111\u1ed9ng theo thay \u0111\u1ed5i gi\u00e1 Bitcoin.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed giao d\u1ecbch c\u1ee7a h\u1ecd, ph\u00e2n t\u00edch d\u1eef li\u1ec7u mempool cung c\u1ea5p \u01b0\u1edbc t\u00ednh ph\u00ed ch\u00ednh x\u00e1c nh\u1ea5t. M\u1ed1i quan h\u1ec7 to\u00e1n h\u1ecdc gi\u1eefa t\u1ef7 l\u1ec7 ph\u00ed v\u00e0 x\u00e1c su\u1ea5t x\u00e1c nh\u1eadn tu\u00e2n theo m\u1ed9t ph\u00e2n ph\u1ed1i phi tuy\u1ebfn t\u00ednh.<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Ph\u1ea7n tr\u0103m Ph\u00ed<\/th>\n<th>X\u00e1c su\u1ea5t X\u00e1c nh\u1eadn<\/th>\n<th>Bi\u1ec3u th\u1ee9c To\u00e1n h\u1ecdc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 10<\/td>\n<td>~10% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.1<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 50<\/td>\n<td>~50% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.5<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 90<\/td>\n<td>~90% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.9<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n tr\u0103m th\u1ee9 99<\/td>\n<td>~99% trong kh\u1ed1i ti\u1ebfp theo<\/td>\n<td>P(confirm) = 0.99<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Th\u00e0nh th\u1ea1o c\u00e1ch g\u1eedi Bitcoin \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 y\u00eau c\u1ea7u hi\u1ec3u th\u1ecb tr\u01b0\u1eddng ph\u00ed \u0111\u1ed9ng n\u00e0y. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb k\u1ef3 v\u1ecdng c\u1ee7a c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00ed kh\u00e1c nhau b\u1eb1ng c\u00f4ng th\u1ee9c:<\/p>\n<p><strong>EV = (Gi\u00e1 tr\u1ecb c\u1ee7a t\u1ed1c \u0111\u1ed9 x\u00e1c nh\u1eadn) &#8211; (Ph\u00ed giao d\u1ecbch)<\/strong><\/p>\n<p>C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y cho ph\u00e9p \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u v\u1ec1 t\u1ef7 l\u1ec7 ph\u00ed t\u1ed1i \u01b0u cho b\u1ea5t k\u1ef3 \u01b0u ti\u00ean giao d\u1ecbch n\u00e0o.<\/p>\n<h2>Qu\u1ea3n l\u00fd UTXO v\u00e0 C\u1ea5u tr\u00fac Giao d\u1ecbch N\u00e2ng cao<\/h2>\n<p>M\u00f4 h\u00ecnh UTXO (Unspent Transaction Output) c\u1ee7a Bitcoin t\u1ea1o ra c\u00e1c c\u01a1 h\u1ed9i t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9c \u0111\u00e1o cho ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin hi\u1ec7u qu\u1ea3. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean t\u00e0i kho\u1ea3n, c\u00e1c giao d\u1ecbch Bitcoin ti\u00eau th\u1ee5 UTXO hi\u1ec7n c\u00f3 v\u00e0 t\u1ea1o ra c\u00e1c UTXO m\u1edbi.<\/p>\n<h3>T\u1ed1i \u01b0u h\u00f3a To\u00e1n h\u1ecdc c\u1ee7a L\u1ef1a ch\u1ecdn UTXO<\/h3>\n<p>L\u1ef1a ch\u1ecdn UTXO hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 ph\u00ed giao d\u1ecbch v\u00e0 c\u1ea3i thi\u1ec7n quy\u1ec1n ri\u00eang t\u01b0. V\u1ea5n \u0111\u1ec1 to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c ch\u1ecdn UTXO t\u1ed1i \u01b0u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a nh\u01b0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a V\u1ea5n \u0111\u1ec1 Ba l\u00f4:<\/p>\n<ul>\n<li>M\u1ee5c ti\u00eau: Gi\u1ea3m thi\u1ec3u k\u00edch th\u01b0\u1edbc giao d\u1ecbch trong khi \u0111\u00e1p \u1ee9ng s\u1ed1 ti\u1ec1n thanh to\u00e1n<\/li>\n<li>R\u00e0ng bu\u1ed9c: T\u1ed5ng c\u00e1c UTXO \u0111\u01b0\u1ee3c ch\u1ecdn ph\u1ea3i v\u01b0\u1ee3t qu\u00e1 s\u1ed1 ti\u1ec1n thanh to\u00e1n c\u1ed9ng v\u1edbi ph\u00ed<\/li>\n<li>Bi\u1ebfn s\u1ed1: C\u00e1c bi\u1ebfn l\u1ef1a ch\u1ecdn nh\u1ecb ph\u00e2n cho m\u1ed7i UTXO c\u00f3 s\u1eb5n<\/li>\n<\/ul>\n<p>Bi\u1ec3u di\u1ec5n to\u00e1n h\u1ecdc ch\u00ednh th\u1ee9c:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>V\u1ea5n \u0111\u1ec1 T\u1ed1i \u01b0u h\u00f3a<\/th>\n<th>C\u00f4ng th\u1ee9c To\u00e1n h\u1ecdc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Gi\u1ea3m thi\u1ec3u<\/td>\n<td>\u2211(size_i \u00d7 x_i) + overhead<\/td>\n<\/tr>\n<tr>\n<td>V\u1edbi \u0111i\u1ec1u ki\u1ec7n:<\/td>\n<td>\u2211(value_i \u00d7 x_i) \u2265 payment + fee<\/td>\n<\/tr>\n<tr>\n<td>Trong \u0111\u00f3:<\/td>\n<td>x_i \u2208 {0,1} cho t\u1ea5t c\u1ea3 i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, vi\u1ec7c th\u1ef1c hi\u1ec7n l\u1ef1a ch\u1ecdn UTXO th\u00f4ng minh c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m 20-40% ph\u00ed so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ng\u00e2y th\u01a1. Ph\u1ea7n m\u1ec1m v\u00ed n\u00e2ng cao th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a c\u00e1c thu\u1eadt to\u00e1n sau:<\/p>\n<ul>\n<li>Branch and Bound: T\u00ecm gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u nh\u01b0ng c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m v\u1ec1 t\u00ednh to\u00e1n<\/li>\n<li>Greedy Approximation: Nhanh nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng t\u00ecm th\u1ea5y gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u<\/li>\n<li>Coin Selection Algorithm: C\u00e1ch ti\u1ebfp c\u1eadn c\u1ee7a Bitcoin Core c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u h\u00f3a v\u1edbi ng\u1eabu nhi\u00ean h\u00f3a<\/li>\n<\/ul>\n<h2>Ph\u00e2n t\u00edch Truy\u1ec1n t\u1ea3i M\u1ea1ng v\u00e0 X\u00e1c su\u1ea5t X\u00e1c nh\u1eadn<\/h2>\n<p>Khi b\u1ea1n h\u1ecdc c\u00e1ch g\u1eedi Bitcoin \u0111\u1ebfn c\u00e1c \u0111\u1ecba ch\u1ec9 v\u00ed, hi\u1ec3u \u0111\u1ed9ng l\u1ef1c truy\u1ec1n t\u1ea3i m\u1ea1ng tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch nh\u1ea1y c\u1ea3m v\u1ec1 th\u1eddi gian. M\u1ea1ng Bitcoin ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o k\u1ebft n\u1ed1i n\u00fat v\u00e0 ph\u00e2n b\u1ed1 \u0111\u1ecba l\u00fd.<\/p>\n<p>X\u00e1c su\u1ea5t m\u1ed9t giao d\u1ecbch \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee5 th\u1ec3 c\u1ee7a m\u1ea1ng trong th\u1eddi gian t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u00e2n ph\u1ed1i m\u0169:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Ph\u1ea1m vi M\u1ea1ng<\/th>\n<th>M\u00f4 h\u00ecnh To\u00e1n h\u1ecdc<\/th>\n<th>Th\u1eddi gian \u0110i\u1ec3n h\u00ecnh (gi\u00e2y)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>50% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 &#8211; e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.35<\/td>\n<td>~2.0<\/td>\n<\/tr>\n<tr>\n<td>75% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 &#8211; e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.23<\/td>\n<td>~3.2<\/td>\n<\/tr>\n<tr>\n<td>90% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 &#8211; e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.15<\/td>\n<td>~5.3<\/td>\n<\/tr>\n<tr>\n<td>99% s\u1ed1 n\u00fat<\/td>\n<td>P(t) = 1 &#8211; e<sup>-\u03bbt<\/sup> trong \u0111\u00f3 \u03bb \u2248 0.07<\/td>\n<td>~11.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch c\u00f3 gi\u00e1 tr\u1ecb cao tr\u00ean Pocket Option, hi\u1ec3u c\u00e1c \u0111\u1ed9ng l\u1ef1c truy\u1ec1n t\u1ea3i n\u00e0y c\u00f3 th\u1ec3 th\u00f4ng b\u00e1o th\u1eddi gian ch\u1edd tr\u01b0\u1edbc khi coi m\u1ed9t giao d\u1ecbch l\u00e0 &#8220;\u0111\u00e3 ph\u00e1t s\u00f3ng.&#8221; Qu\u00e1 tr\u00ecnh x\u00e1c nh\u1eadn th\u00eam m\u1ed9t l\u1edbp ph\u00e2n t\u00edch x\u00e1c su\u1ea5t kh\u00e1c:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>X\u00e1c nh\u1eadn<\/th>\n<th>X\u00e1c su\u1ea5t T\u00e1i t\u1ed5 ch\u1ee9c<\/th>\n<th>Khuy\u1ebfn ngh\u1ecb cho Gi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>~0.24%<\/td>\n<td>&lt; $1,000<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>~0.05%<\/td>\n<td>$1,000 &#8211; $10,000<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>~0.01%<\/td>\n<td>$10,000 &#8211; $50,000<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>~0.0002%<\/td>\n<td>&gt; $50,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>X\u00e1c su\u1ea5t to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c \u0111\u1ea3o ng\u01b0\u1ee3c giao d\u1ecbch gi\u1ea3m theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1edbi m\u1ed7i l\u1ea7n x\u00e1c nh\u1eadn, theo x\u1ea5p x\u1ec9: P(reversal) \u2248 (q\/p)<sup>n<\/sup>, trong \u0111\u00f3 q l\u00e0 t\u1ef7 l\u1ec7 hashrate c\u1ee7a k\u1ebb t\u1ea5n c\u00f4ng, p l\u00e0 t\u1ef7 l\u1ec7 hashrate c\u1ee7a m\u1ea1ng trung th\u1ef1c, v\u00e0 n l\u00e0 s\u1ed1 l\u1ea7n x\u00e1c nh\u1eadn.<\/p>\n<h2>C\u00e1c Giao th\u1ee9c B\u1ea3o m\u1eadt N\u00e2ng cao cho Chuy\u1ec3n kho\u1ea3n Bitcoin<\/h2>\n<p>Hi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin an to\u00e0n y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt nhi\u1ec1u l\u1edbp. C\u00e1c nguy\u00ean t\u1eafc to\u00e1n h\u1ecdc c\u1ee7a b\u1ea3o m\u1eadt th\u00f4ng tin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra m\u1ed9t khung b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd cho an to\u00e0n giao d\u1ecbch.<\/p>\n<h3>Ph\u00e2n t\u00edch Entropy cho T\u1ea1o kh\u00f3a An to\u00e0n<\/h3>\n<p>B\u1ea3o m\u1eadt c\u1ee7a b\u1ea5t k\u1ef3 chuy\u1ec3n kho\u1ea3n Bitcoin n\u00e0o b\u1eaft \u0111\u1ea7u v\u1edbi entropy \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o kh\u00f3a ri\u00eang. M\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c bit entropy v\u00e0 b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Ngu\u1ed3n Entropy<\/th>\n<th>S\u1ed1 bit Entropy<\/th>\n<th>M\u1ee9c \u0111\u1ed9 B\u1ea3o m\u1eadt<\/th>\n<th>\u0110\u1ed9 kh\u00f3 T\u1ea5n c\u00f4ng Brute Force<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>12 t\u1eeb ghi nh\u1edb<\/td>\n<td>128 bit<\/td>\n<td>Cao<\/td>\n<td>2<sup>128<\/sup> t\u1ed5 h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td>24 t\u1eeb ghi nh\u1edb<\/td>\n<td>256 bit<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>2<sup>256<\/sup> t\u1ed5 h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td>Quay x\u00fac x\u1eafc (100 l\u1ea7n)<\/td>\n<td>~258 bit<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>2<sup>258<\/sup> t\u1ed5 h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td>M\u1eadt kh\u1ea9u y\u1ebfu<\/td>\n<td>~20-30 bit<\/td>\n<td>R\u1ea5t th\u1ea5p<\/td>\n<td>2<sup>30<\/sup> t\u1ed5 h\u1ee3p (c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Pocket Option khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o kh\u00f3a c\u00f3 entropy cao khi t\u1ea1o v\u00ed cho chuy\u1ec3n kho\u1ea3n Bitcoin. Bi\u00ean \u0111\u1ed9 b\u1ea3o m\u1eadt to\u00e1n h\u1ecdc n\u00ean v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n nhi\u1ec1u b\u1eadc.<\/p>\n<p>\u0110\u1ec3 chuy\u1ec3n kho\u1ea3n Bitcoin an to\u00e0n, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c s\u01a1 \u0111\u1ed3 \u0111a ch\u1eef k\u00fd th\u00eam m\u1ed9t chi\u1ec1u b\u1ea3o m\u1eadt kh\u00e1c. X\u00e1c su\u1ea5t b\u1ecb x\u00e2m ph\u1ea1m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u00e2n ph\u1ed1i nh\u1ecb th\u1ee9c:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>C\u1ea5u tr\u00fac Multisig<\/th>\n<th>M\u00f4 h\u00ecnh B\u1ea3o m\u1eadt To\u00e1n h\u1ecdc<\/th>\n<th>X\u00e1c su\u1ea5t B\u1ecb x\u00e2m ph\u1ea1m*<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2-of-3<\/td>\n<td>P = C(3,2)p<sup>2<\/sup>(1-p) + C(3,3)p<sup>3<\/sup><\/td>\n<td>0.0291<\/td>\n<\/tr>\n<tr>\n<td>3-of-5<\/td>\n<td>P = \u2211<sub>i=3<\/sub><sup>5<\/sup> C(5,i)p<sup>i<\/sup>(1-p)<sup>5-i<\/sup><\/td>\n<td>0.0102<\/td>\n<\/tr>\n<tr>\n<td>5-of-7<\/td>\n<td>P = \u2211<sub>i=5<\/sub><sup>7<\/sup> C(7,i)p<sup>i<\/sup>(1-p)<sup>7-i<\/sup><\/td>\n<td>0.0047<\/td>\n<\/tr>\n<tr>\n<td>7-of-10<\/td>\n<td>P = \u2211<sub>i=7<\/sub><sup>10<\/sup> C(10,i)p<sup>i<\/sup>(1-p)<sup>10-i<\/sup><\/td>\n<td>0.0016<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>*Gi\u1ea3 s\u1eed x\u00e1c su\u1ea5t b\u1ecb x\u00e2m ph\u1ea1m kh\u00f3a c\u00e1 nh\u00e2n p = 0.1<\/p>\n<p>Khi h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, ng\u01b0\u1eddi d\u00f9ng n\u00ean \u0111\u00e1nh gi\u00e1 c\u00e1c m\u00f4 h\u00ecnh b\u1ea3o m\u1eadt n\u00e0y so v\u1edbi h\u1ed3 s\u01a1 \u0111e d\u1ecda c\u1ee5 th\u1ec3 v\u00e0 gi\u00e1 tr\u1ecb r\u1ee7i ro c\u1ee7a h\u1ecd.<\/p>\n<h2>Ph\u00e2n t\u00edch \u0110\u1ecbnh d\u1ea1ng \u0110\u1ecba ch\u1ec9 v\u00e0 Kh\u1ea3 n\u0103ng Ph\u00e1t hi\u1ec7n L\u1ed7i<\/h2>\n<p>M\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a vi\u1ec7c h\u1ecdc c\u00e1ch g\u1eedi Bitcoin \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 l\u00e0 hi\u1ec3u kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n l\u1ed7i to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 kh\u00e1c nhau. \u0110\u1ecba ch\u1ec9 Bitcoin t\u00edch h\u1ee3p c\u00e1c thu\u1eadt to\u00e1n ki\u1ec3m tra t\u1ed5ng gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 x\u00e1c su\u1ea5t l\u1ed7i giao d\u1ecbch do l\u1ed7i \u0111\u00e1nh m\u00e1y ho\u1eb7c h\u1ecfng h\u00f3c.<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>\u0110\u1ecbnh d\u1ea1ng \u0110\u1ecba ch\u1ec9<\/th>\n<th>Thu\u1eadt to\u00e1n Ki\u1ec3m tra T\u1ed5ng<\/th>\n<th>Kh\u1ea3 n\u0103ng Ph\u00e1t hi\u1ec7n L\u1ed7i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Legacy (P2PKH)<\/td>\n<td>Double SHA-256<\/td>\n<td>Ph\u00e1t hi\u1ec7n 99.9% l\u1ed7i<\/td>\n<\/tr>\n<tr>\n<td>SegWit (P2SH)<\/td>\n<td>Double SHA-256<\/td>\n<td>Ph\u00e1t hi\u1ec7n 99.9% l\u1ed7i<\/td>\n<\/tr>\n<tr>\n<td>Bech32 (Native SegWit)<\/td>\n<td>M\u00e3 BCH<\/td>\n<td>Ph\u00e1t hi\u1ec7n 100% l\u1ed7i 1-bit, \u0111\u1ecbnh v\u1ecb l\u1ed7i l\u00ean \u0111\u1ebfn 4-bit<\/td>\n<\/tr>\n<tr>\n<td>Bech32m (Taproot)<\/td>\n<td>M\u00e3 BCH s\u1eeda \u0111\u1ed5i<\/td>\n<td>Ph\u00e1t hi\u1ec7n 100% l\u1ed7i 1-bit, c\u1ea3i thi\u1ec7n \u0111\u1ecbnh v\u1ecb l\u1ed7i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>C\u00e1c thu\u1ed9c t\u00ednh to\u00e1n h\u1ecdc c\u1ee7a ph\u00e1t hi\u1ec7n l\u1ed7i Bech32 cung c\u1ea5p l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 khi chuy\u1ec3n Bitcoin. \u0110a th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Bech32 l\u00e0:<\/p>\n<p><strong>x<sup>6<\/sup> + x<sup>4<\/sup> + x<sup>1<\/sup> + 1<\/strong><\/p>\n<p>\u0110a th\u1ee9c n\u00e0y t\u1ea1o ra m\u1ed9t m\u00e3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i m\u1ed9t bit, t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i hai bit, t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i c\u00f3 s\u1ed1 bit l\u1ebb, v\u00e0 h\u1ea7u h\u1ebft c\u00e1c l\u1ed7i c\u00f3 s\u1ed1 bit ch\u1eb5n. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option chuy\u1ec3n gi\u00e1 tr\u1ecb l\u1edbn, hi\u1ec3u kh\u1ea3 n\u0103ng s\u1eeda l\u1ed7i n\u00e0y mang l\u1ea1i s\u1ef1 y\u00ean t\u00e2m c\u1ea7n thi\u1ebft.<\/p>\n<h2>Quy\u1ec1n ri\u00eang t\u01b0 Giao d\u1ecbch v\u00e0 Ph\u00e2n t\u00edch Th\u1ed1ng k\u00ea<\/h2>\n<p>C\u00e1c c\u00e2n nh\u1eafc v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 l\u00e0 r\u1ea5t quan tr\u1ecdng khi h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin. T\u00ednh \u1ea9n danh c\u1ee7a Bitcoin t\u1ea1o ra m\u1ed9t th\u00e1ch th\u1ee9c th\u1ed1ng k\u00ea \u0111\u1ed9c \u0111\u00e1o cho ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm s\u1ef1 b\u1ea3o m\u1eadt. Ph\u00e2n t\u00edch \u0111\u1ed3 th\u1ecb giao d\u1ecbch s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt ph\u00e2n c\u1ee5m to\u00e1n h\u1ecdc \u0111\u1ec3 c\u00f3 th\u1ec3 li\u00ean k\u1ebft c\u00e1c giao d\u1ecbch v\u1edbi danh t\u00ednh th\u1ef1c t\u1ebf.<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>K\u1ef9 thu\u1eadt Quy\u1ec1n ri\u00eang t\u01b0<\/th>\n<th>M\u00f4 h\u00ecnh To\u00e1n h\u1ecdc<\/th>\n<th>T\u0103ng Entropy<\/th>\n<th>\u0110\u1ed9 ph\u1ee9c t\u1ea1p Th\u1ef1c hi\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tr\u00e1nh t\u00e1i s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9<\/td>\n<td>T\u0103ng tuy\u1ebfn t\u00ednh trong t\u1eadp h\u1ee3p \u1ea9n danh<\/td>\n<td>+2-4 bit cho m\u1ed7i \u0111\u1ecba ch\u1ec9 m\u1edbi<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>CoinJoin (n ng\u01b0\u1eddi tham gia)<\/td>\n<td>Quy\u1ec1n ri\u00eang t\u01b0 t\u1ed5 h\u1ee3p: n! \u00e1nh x\u1ea1 c\u00f3 th\u1ec3<\/td>\n<td>+log\u2082(n!) bit<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>PayJoin<\/td>\n<td>L\u00e0m m\u1edd \u0111\u1ed3 th\u1ecb giao d\u1ecbch v\u1edbi \u0111\u1ea7u v\u00e0o m\u01a1 h\u1ed3<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i, th\u01b0\u1eddng +5-10 bit<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea1ng Lightning<\/td>\n<td>Giao d\u1ecbch ngo\u00e0i chu\u1ed7i v\u1edbi \u0111\u1ecbnh tuy\u1ebfn h\u00e0nh<\/td>\n<td>+20-30 bit t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0i tuy\u1ebfn<\/td>\n<td>Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u0110\u1ed1i v\u1edbi kh\u00e1ch h\u00e0ng c\u1ee7a Pocket Option quan t\u00e2m \u0111\u1ebfn quy\u1ec1n ri\u00eang t\u01b0, hi\u1ec3u s\u1ef1 gia t\u0103ng entropy t\u1eeb c\u00e1c k\u1ef9 thu\u1eadt kh\u00e1c nhau cung c\u1ea5p m\u1ed9t khung \u0111\u1ecbnh l\u01b0\u1ee3ng cho c\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 khi chuy\u1ec3n Bitcoin.<\/p>\n<p>X\u00e1c su\u1ea5t th\u1ed1ng k\u00ea c\u1ee7a vi\u1ec7c li\u00ean k\u1ebft giao d\u1ecbch gi\u1ea3m theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt quy\u1ec1n ri\u00eang t\u01b0 th\u00edch h\u1ee3p. V\u00ed d\u1ee5, v\u1edbi n ng\u01b0\u1eddi tham gia CoinJoin, x\u00e1c su\u1ea5t \u00e1nh x\u1ea1 \u0111\u1ea7u v\u00e0o-\u0111\u1ea7u ra ch\u00ednh x\u00e1c x\u1ea5p x\u1ec9 1\/n! gi\u1ea3 s\u1eed c\u00e1c \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng nhau.<\/p>\n<h2>Chi\u1ebfn l\u01b0\u1ee3c Giao d\u1ecbch Nh\u1ea1y c\u1ea3m v\u1ec1 Th\u1eddi gian<\/h2>\n<p>Hi\u1ec3u c\u00e1ch chuy\u1ec3n Bitcoin hi\u1ec7u qu\u1ea3 y\u00eau c\u1ea7u l\u1eadp chi\u1ebfn l\u01b0\u1ee3c xung quanh c\u00e1c m\u1eabu t\u1eafc ngh\u1ebdn m\u1ea1ng. Ph\u00e2n t\u00edch th\u1ed1ng k\u00ea d\u1eef li\u1ec7u mempool l\u1ecbch s\u1eed ti\u1ebft l\u1ed9 c\u00e1c m\u1eabu chu k\u1ef3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a th\u1eddi gian giao d\u1ecbch:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>Th\u1eddi gian<\/th>\n<th>K\u00edch th\u01b0\u1edbc Mempool Trung b\u00ecnh<\/th>\n<th>Ph\u00ed Ph\u1ee5 tr\u1ed9i<\/th>\n<th>T\u1ed1i \u01b0u cho Giao d\u1ecbch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ng\u00e0y th\u01b0\u1eddng 00:00-04:00 UTC<\/td>\n<td>-30% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>-35% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>Kh\u00f4ng kh\u1ea9n c\u1ea5p, l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>Ng\u00e0y th\u01b0\u1eddng 12:00-16:00 UTC<\/td>\n<td>+45% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>+60% so v\u1edbi trung b\u00ecnh h\u00e0ng ng\u00e0y<\/td>\n<td>Tr\u00e1nh n\u1ebfu c\u00f3 th\u1ec3<\/td>\n<\/tr>\n<tr>\n<td>Cu\u1ed1i tu\u1ea7n<\/td>\n<td>-20% so v\u1edbi trung b\u00ecnh h\u00e0ng tu\u1ea7n<\/td>\n<td>-25% so v\u1edbi trung b\u00ecnh h\u00e0ng tu\u1ea7n<\/td>\n<td>\u01afu ti\u00ean trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Sau \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 kh\u00f3<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i (\u00b125%)<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i (\u00b130%)<\/td>\n<td>Theo d\u00f5i ch\u1eb7t ch\u1ebd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>M\u1ed1i quan h\u1ec7 to\u00e1n h\u1ecdc gi\u1eefa t\u1eafc ngh\u1ebdn mempool v\u00e0 th\u1eddi gian giao d\u1ecbch t\u1ed1i \u01b0u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a nh\u01b0 m\u1ed9t chu\u1ed7i th\u1eddi gian v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n m\u00f9a v\u1ee5. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch Pocket Option c\u1ea7n chuy\u1ec3n Bitcoin cho c\u00e1c c\u01a1 h\u1ed9i nh\u1ea1y c\u1ea3m v\u1ec1 th\u1eddi gian, ph\u00e2n t\u00edch n\u00e0y cung c\u1ea5p th\u00f4ng tin c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng.<\/p>\n<p>M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn tinh vi h\u01a1n li\u00ean quan \u0111\u1ebfn vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng c\u1ee7a mempool b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh vi ph\u00e2n:<\/p>\n<p><strong>dM\/dt = \u03bb &#8211; \u03bcB<\/strong><\/p>\n<p>Trong \u0111\u00f3 M l\u00e0 k\u00edch th\u01b0\u1edbc mempool t\u00ednh b\u1eb1ng byte, \u03bb l\u00e0 t\u1ef7 l\u1ec7 \u0111\u1ebfn c\u1ee7a giao d\u1ecbch, \u03bc l\u00e0 t\u1ef7 l\u1ec7 gi\u1ea3i ph\u00f3ng m\u1ed7i kh\u1ed1i, v\u00e0 B l\u00e0 k\u00edch th\u01b0\u1edbc kh\u1ed1i trung b\u00ecnh. M\u00f4 h\u00ecnh n\u00e0y c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n th\u1eddi gian giao d\u1ecbch t\u1ed1i \u01b0u v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/p>\n<h2>T\u01b0\u01a1ng lai c\u1ee7a Chuy\u1ec3n kho\u1ea3n Bitcoin v\u1edbi Ph\u00e2n t\u00edch Ti\u1ebfn h\u00f3a Giao th\u1ee9c<\/h2>\n<p>Khi ng\u01b0\u1eddi d\u00f9ng h\u1ecdc c\u00e1ch chuy\u1ec3n Bitcoin, h\u1ecd n\u00ean hi\u1ec3u c\u00e1c h\u1ec7 qu\u1ea3 to\u00e1n h\u1ecdc c\u1ee7a c\u00e1c n\u00e2ng c\u1ea5p giao th\u1ee9c. L\u1ed9 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a Bitcoin bao g\u1ed3m m\u1ed9t s\u1ed1 n\u00e2ng c\u1ea5p s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o m\u1eadt giao d\u1ecbch:<\/p>\n<div class=\"table-container\">\n<table>\n<thead>\n<tr>\n<th>N\u00e2ng c\u1ea5p Giao th\u1ee9c<\/th>\n<th>\u1ea2nh h\u01b0\u1edfng To\u00e1n h\u1ecdc<\/th>\n<th>L\u1ee3i \u00edch Hi\u1ec7u qu\u1ea3<\/th>\n<th>Th\u1eddi gian \u00c1p d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Taproot<\/td>\n<td>Ch\u1eef k\u00fd Schnorr: nR + sG = eP<\/td>\n<td>Gi\u1ea3m 10-15% k\u00edch th\u01b0\u1edbc cho c\u00e1c k\u1ecbch b\u1ea3n ph\u1ee9c t\u1ea1p<\/td>\n<td>\u0110\u00e3 k\u00edch ho\u1ea1t (Kh\u1ed1i 709,632)<\/td>\n<\/tr>\n<tr>\n<td>X\u00e1c minh L\u00f4 Schnorr<\/td>\n<td>X\u00e1c minh n ch\u1eef k\u00fd trong O(n) thao t\u00e1c<\/td>\n<td>Gi\u1ea3m 30-70% s\u1eed d\u1ee5ng CPU cho x\u00e1c minh<\/td>\n<td>\u0110\u00e3 th\u1ef1c hi\u1ec7n nh\u01b0ng ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed5ng h\u1ee3p Ch\u1eef k\u00fd \u0110\u1ea7u v\u00e0o Ch\u00e9o<\/td>\n<td>M\u1ed9t ch\u1eef k\u00fd cho nhi\u1ec1u \u0111\u1ea7u v\u00e0o<\/td>\n<td>Gi\u1ea3m 30-40% k\u00edch th\u01b0\u1edbc cho c\u00e1c giao d\u1ecbch nhi\u1ec1u \u0111\u1ea7u v\u00e0o<\/td>\n<td>\u0110\u1ec1 xu\u1ea5t, th\u1eddi gian kh\u00f4ng ch\u1eafc ch\u1eafn<\/td>\n<\/tr>\n<tr>\n<td>MAST (C\u00e2y C\u00fa ph\u00e1p Tr\u1eebu t\u01b0\u1ee3ng Merklized)<\/td>\n<td>\u0110\u1ed9 ph\u1ee9c t\u1ea1p O(log n) cho x\u00e1c minh k\u1ecbch b\u1ea3n<\/td>\n<td>Gi\u1ea3m 40-60% k\u00edch th\u01b0\u1edbc cho c\u00e1c h\u1ee3p \u0111\u1ed3ng ph\u1ee9c t\u1ea1p<\/td>\n<td>\u0110\u00e3 th\u1ef1c hi\u1ec7n m\u1ed9t ph\u1ea7n qua Taproot<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Kh\u00e1ch h\u00e0ng c\u1ee7a Pocket Option n\u00ean theo d\u00f5i c\u00e1c ph\u00e1t tri\u1ec3n giao th\u1ee9c n\u00e0y v\u00ec ch\u00fang c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u qu\u1ea3, b\u1ea3o m\u1eadt v\u00e0 chi ph\u00ed giao d\u1ecbch khi chuy\u1ec3n Bitcoin.<\/p>\n    <div class=\"po-container po-container_width_article\">\n        <a href=\"\/en\/quick-start\/\" class=\"po-line-banner po-article-page__line-banner\">\n            <svg class=\"svg-image po-line-banner__logo\" fill=\"currentColor\" width=\"auto\" height=\"auto\"\n                 aria-hidden=\"true\">\n                <use href=\"#svg-img-logo-white\"><\/use>\n            <\/svg>\n            <span class=\"po-line-banner__btn\">B\u1eaft \u0111\u1ea7u Giao d\u1ecbch<\/span>\n        <\/a>\n    <\/div>\n    \n<h2>K\u1ebft lu\u1eadn: L\u1ee3i th\u1ebf Ph\u00e2n t\u00edch trong Chuy\u1ec3n kho\u1ea3n Bitcoin<\/h2>\n<p>Th\u00e0nh th\u1ea1o c\u00e1ch chuy\u1ec3n Bitcoin v\u01b0\u1ee3t xa qu\u00e1 tr\u00ecnh c\u01a1 h\u1ecdc c\u1ee7a vi\u1ec7c g\u1eedi t\u1eeb \u0111\u1ecba ch\u1ec9 n\u00e0y sang \u0111\u1ecba ch\u1ec9 kh\u00e1c. C\u00e1c khung to\u00e1n h\u1ecdc v\u00e0 ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn cung c\u1ea5p s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 giao d\u1ecbch, b\u1ea3o m\u1eadt v\u00e0 chi ph\u00ed.<\/p>\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc m\u1eadt m\u00e3, chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a ph\u00ed, k\u1ef9 thu\u1eadt qu\u1ea3n l\u00fd UTXO, v\u00e0 c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c n\u00eau trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng m\u1ea1ng Bitcoin. C\u00e1c c\u00e1ch ti\u1ebfp c\u1eadn ph\u00e2n t\u00edch n\u00e0y bi\u1ebfn chuy\u1ec3n kho\u1ea3n Bitcoin t\u1eeb c\u00e1c quy tr\u00ecnh m\u1edd \u0111\u1ee5c th\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Pocket Option, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c n\u00e2ng cao n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c giao d\u1ecbch an to\u00e0n h\u01a1n, ph\u00ed th\u1ea5p h\u01a1n, th\u1eddi gian t\u1ed1t h\u01a1n, v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 \u0111\u01b0\u1ee3c n\u00e2ng cao. Khi giao th\u1ee9c Bitcoin ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, duy tr\u00ec m\u1ed9t quan \u0111i\u1ec3m ph\u00e2n t\u00edch s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng chi\u1ebfn l\u01b0\u1ee3c chuy\u1ec3n kho\u1ea3n c\u1ee7a b\u1ea1n v\u1eabn t\u1ed1i \u01b0u trong m\u1ed9t h\u1ec7 sinh th\u00e1i ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p.<\/p>\n<p>D\u00f9 b\u1ea1n \u0111ang chuy\u1ec3n s\u1ed1 ti\u1ec1n nh\u1ecf hay qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n l\u1edbn, \u00e1p d\u1ee5ng c\u00e1c khung to\u00e1n h\u1ecdc n\u00e0y cung c\u1ea5p n\u1ec1n t\u1ea3ng cho c\u00e1c chuy\u1ec3n kho\u1ea3n Bitcoin t\u1ef1 tin, hi\u1ec7u qu\u1ea3 trong b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng n\u00e0o.<\/p>\n<\/div>\n"},"faq":[{"question":"C\u00e1ch an to\u00e0n nh\u1ea5t \u0111\u1ec3 chuy\u1ec3n Bitcoin l\u00e0 g\u00ec?","answer":"Ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n nh\u1ea5t k\u1ebft h\u1ee3p nhi\u1ec1u l\u1edbp b\u1ea3o m\u1eadt: s\u1eed d\u1ee5ng v\u00ed ph\u1ea7n c\u1ee9ng \u0111\u1ec3 k\u00fd giao d\u1ecbch, x\u00e1c minh \u0111\u1ecba ch\u1ec9 ng\u01b0\u1eddi nh\u1eadn qua nhi\u1ec1u k\u00eanh, th\u1ef1c hi\u1ec7n danh s\u00e1ch tr\u1eafng \u0111\u1ecba ch\u1ec9, v\u00e0 xem x\u00e9t thi\u1ebft l\u1eadp \u0111a ch\u1eef k\u00fd cho c\u00e1c giao d\u1ecbch c\u00f3 gi\u00e1 tr\u1ecb cao. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n t\u1ed1i \u0111a, Pocket Option khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng v\u00ed ph\u1ea7n c\u1ee9ng \u0111\u1ec3 gi\u1eef kh\u00f3a ri\u00eang ngo\u1ea1i tuy\u1ebfn v\u00e0 x\u00e1c nh\u1eadn \u0111\u1ecba ch\u1ec9 ng\u01b0\u1eddi nh\u1eadn qua c\u00e1c k\u00eanh x\u00e1c th\u1ef1c th\u1ee9 c\u1ea5p tr\u01b0\u1edbc khi ho\u00e0n t\u1ea5t b\u1ea5t k\u1ef3 giao d\u1ecbch n\u00e0o."},{"question":"M\u1ed9t giao d\u1ecbch Bitcoin m\u1ea5t bao l\u00e2u \u0111\u1ec3 ho\u00e0n t\u1ea5t?","answer":"C\u00e1c giao d\u1ecbch chuy\u1ec3n Bitcoin th\u01b0\u1eddng nh\u1eadn \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u0111\u1ea7u ti\u00ean trong kho\u1ea3ng 10 ph\u00fat, m\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn c\u1ee7a m\u1ea1ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n ti\u00eau chu\u1ea9n, h\u1ea7u h\u1ebft c\u00e1c s\u00e0n giao d\u1ecbch v\u00e0 d\u1ecbch v\u1ee5 (bao g\u1ed3m Pocket Option) y\u00eau c\u1ea7u 2-3 l\u1ea7n x\u00e1c nh\u1eadn (~20-30 ph\u00fat) cho c\u00e1c kho\u1ea3n ti\u1ec1n v\u1eeba ph\u1ea3i v\u00e0 6 l\u1ea7n x\u00e1c nh\u1eadn (~60 ph\u00fat) cho c\u00e1c giao d\u1ecbch l\u1edbn h\u01a1n. X\u00e1c su\u1ea5t to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c \u0111\u1ea3o ng\u01b0\u1ee3c giao d\u1ecbch gi\u1ea3m theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1edbi m\u1ed7i l\u1ea7n x\u00e1c nh\u1eadn, v\u1edbi s\u00e1u l\u1ea7n x\u00e1c nh\u1eadn cung c\u1ea5p s\u1ef1 ch\u1eafc ch\u1eafn g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i."},{"question":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3m thi\u1ec3u ph\u00ed chuy\u1ec3n Bitcoin?","answer":"\u0110\u1ec3 gi\u1ea3m thi\u1ec3u ph\u00ed, h\u00e3y \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c th\u1eddi gian b\u1eb1ng c\u00e1ch chuy\u1ec3n ti\u1ec1n trong c\u00e1c kho\u1ea3ng th\u1eddi gian \u00edt t\u1eafc ngh\u1ebdn (th\u01b0\u1eddng l\u00e0 cu\u1ed1i tu\u1ea7n v\u00e0 v\u00e0o c\u00e1c gi\u1edd \u0111\u1ea7u UTC), s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 SegWit ho\u1eb7c SegWit g\u1ed1c (bech32) \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc giao d\u1ecbch kho\u1ea3ng 30-40%, th\u1ef1c hi\u1ec7n g\u1ed9p giao d\u1ecbch khi g\u1eedi nhi\u1ec1u kho\u1ea3n thanh to\u00e1n, v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u01b0\u1edbc t\u00ednh ph\u00ed ph\u00e2n t\u00edch \u0111i\u1ec1u ki\u1ec7n mempool hi\u1ec7n t\u1ea1i. Ng\u01b0\u1eddi d\u00f9ng Pocket Option c\u0169ng c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng Lightning Network cho c\u00e1c giao d\u1ecbch nh\u1ecf, th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed."},{"question":"C\u00f3 th\u1ec3 h\u1ee7y m\u1ed9t giao d\u1ecbch Bitcoin sau khi \u0111\u00e3 g\u1eedi kh\u00f4ng?","answer":"Khi m\u1ed9t giao d\u1ecbch Bitcoin \u0111\u01b0\u1ee3c ph\u00e1t s\u00f3ng l\u00ean m\u1ea1ng, n\u00f3 kh\u00f4ng th\u1ec3 b\u1ecb h\u1ee7y ho\u1eb7c \u0111\u1ea3o ng\u01b0\u1ee3c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n th\u00f4ng th\u01b0\u1eddng. Tuy nhi\u00ean, n\u1ebfu giao d\u1ecbch v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t giao d\u1ecbch \"Thay th\u1ebf B\u1eb1ng Ph\u00ed\" (RBF), v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 ph\u00e1t s\u00f3ng m\u1ed9t giao d\u1ecbch xung \u0111\u1ed9t v\u1edbi ph\u00ed cao h\u01a1n \u0111\u1ec3 g\u1eedi l\u1ea1i c\u00e1c \u0111\u1ea7u v\u00e0o t\u01b0\u01a1ng t\u1ef1 v\u1ec1 v\u00ed c\u1ee7a b\u1ea1n. K\u1ef9 thu\u1eadt n\u00e0y ch\u1ec9 kh\u1ea3 thi \u0111\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn m\u00e0 ban \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u l\u00e0 c\u00f3 h\u1ed7 tr\u1ee3 RBF."},{"question":"C\u00e1c giao d\u1ecbch Bitcoin c\u00f3 \u1ea9n danh kh\u00f4ng?","answer":"C\u00e1c giao d\u1ecbch Bitcoin l\u00e0 b\u00fat danh h\u01a1n l\u00e0 \u1ea9n danh. M\u1eb7c d\u00f9 c\u00e1c giao d\u1ecbch kh\u00f4ng tr\u1ef1c ti\u1ebfp bao g\u1ed3m th\u00f4ng tin c\u00e1 nh\u00e2n, ch\u00fang t\u1ed3n t\u1ea1i tr\u00ean m\u1ed9t blockchain c\u00f4ng khai n\u01a1i c\u00e1c k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch c\u00f3 th\u1ec3 li\u00ean k\u1ebft \u0111\u1ecba ch\u1ec9 v\u1edbi danh t\u00ednh. \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng quy\u1ec1n ri\u00eang t\u01b0, Pocket Option khuy\u1ebfn ngh\u1ecb tr\u00e1nh t\u00e1i s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9, s\u1eed d\u1ee5ng c\u00e1c v\u00ed kh\u00e1c nhau cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau, c\u00e2n nh\u1eafc c\u00e1c giao th\u1ee9c CoinJoin ho\u1eb7c PayJoin cho c\u00e1c giao d\u1ecbch quan tr\u1ecdng, v\u00e0 hi\u1ec3u r\u1eb1ng s\u1ef1 \u1ea9n danh th\u1ef1c s\u1ef1 \u0111\u00f2i h\u1ecfi c\u00e1c l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung ngo\u00e0i ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n c\u1ee7a Bitcoin."}],"faq_source":{"label":"FAQ","type":"repeater","formatted_value":[{"question":"C\u00e1ch an to\u00e0n nh\u1ea5t \u0111\u1ec3 chuy\u1ec3n Bitcoin l\u00e0 g\u00ec?","answer":"Ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n nh\u1ea5t k\u1ebft h\u1ee3p nhi\u1ec1u l\u1edbp b\u1ea3o m\u1eadt: s\u1eed d\u1ee5ng v\u00ed ph\u1ea7n c\u1ee9ng \u0111\u1ec3 k\u00fd giao d\u1ecbch, x\u00e1c minh \u0111\u1ecba ch\u1ec9 ng\u01b0\u1eddi nh\u1eadn qua nhi\u1ec1u k\u00eanh, th\u1ef1c hi\u1ec7n danh s\u00e1ch tr\u1eafng \u0111\u1ecba ch\u1ec9, v\u00e0 xem x\u00e9t thi\u1ebft l\u1eadp \u0111a ch\u1eef k\u00fd cho c\u00e1c giao d\u1ecbch c\u00f3 gi\u00e1 tr\u1ecb cao. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n t\u1ed1i \u0111a, Pocket Option khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng v\u00ed ph\u1ea7n c\u1ee9ng \u0111\u1ec3 gi\u1eef kh\u00f3a ri\u00eang ngo\u1ea1i tuy\u1ebfn v\u00e0 x\u00e1c nh\u1eadn \u0111\u1ecba ch\u1ec9 ng\u01b0\u1eddi nh\u1eadn qua c\u00e1c k\u00eanh x\u00e1c th\u1ef1c th\u1ee9 c\u1ea5p tr\u01b0\u1edbc khi ho\u00e0n t\u1ea5t b\u1ea5t k\u1ef3 giao d\u1ecbch n\u00e0o."},{"question":"M\u1ed9t giao d\u1ecbch Bitcoin m\u1ea5t bao l\u00e2u \u0111\u1ec3 ho\u00e0n t\u1ea5t?","answer":"C\u00e1c giao d\u1ecbch chuy\u1ec3n Bitcoin th\u01b0\u1eddng nh\u1eadn \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u0111\u1ea7u ti\u00ean trong kho\u1ea3ng 10 ph\u00fat, m\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn c\u1ee7a m\u1ea1ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n ti\u00eau chu\u1ea9n, h\u1ea7u h\u1ebft c\u00e1c s\u00e0n giao d\u1ecbch v\u00e0 d\u1ecbch v\u1ee5 (bao g\u1ed3m Pocket Option) y\u00eau c\u1ea7u 2-3 l\u1ea7n x\u00e1c nh\u1eadn (~20-30 ph\u00fat) cho c\u00e1c kho\u1ea3n ti\u1ec1n v\u1eeba ph\u1ea3i v\u00e0 6 l\u1ea7n x\u00e1c nh\u1eadn (~60 ph\u00fat) cho c\u00e1c giao d\u1ecbch l\u1edbn h\u01a1n. X\u00e1c su\u1ea5t to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c \u0111\u1ea3o ng\u01b0\u1ee3c giao d\u1ecbch gi\u1ea3m theo c\u1ea5p s\u1ed1 nh\u00e2n v\u1edbi m\u1ed7i l\u1ea7n x\u00e1c nh\u1eadn, v\u1edbi s\u00e1u l\u1ea7n x\u00e1c nh\u1eadn cung c\u1ea5p s\u1ef1 ch\u1eafc ch\u1eafn g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i."},{"question":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3m thi\u1ec3u ph\u00ed chuy\u1ec3n Bitcoin?","answer":"\u0110\u1ec3 gi\u1ea3m thi\u1ec3u ph\u00ed, h\u00e3y \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c th\u1eddi gian b\u1eb1ng c\u00e1ch chuy\u1ec3n ti\u1ec1n trong c\u00e1c kho\u1ea3ng th\u1eddi gian \u00edt t\u1eafc ngh\u1ebdn (th\u01b0\u1eddng l\u00e0 cu\u1ed1i tu\u1ea7n v\u00e0 v\u00e0o c\u00e1c gi\u1edd \u0111\u1ea7u UTC), s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 SegWit ho\u1eb7c SegWit g\u1ed1c (bech32) \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc giao d\u1ecbch kho\u1ea3ng 30-40%, th\u1ef1c hi\u1ec7n g\u1ed9p giao d\u1ecbch khi g\u1eedi nhi\u1ec1u kho\u1ea3n thanh to\u00e1n, v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u01b0\u1edbc t\u00ednh ph\u00ed ph\u00e2n t\u00edch \u0111i\u1ec1u ki\u1ec7n mempool hi\u1ec7n t\u1ea1i. Ng\u01b0\u1eddi d\u00f9ng Pocket Option c\u0169ng c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng Lightning Network cho c\u00e1c giao d\u1ecbch nh\u1ecf, th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed."},{"question":"C\u00f3 th\u1ec3 h\u1ee7y m\u1ed9t giao d\u1ecbch Bitcoin sau khi \u0111\u00e3 g\u1eedi kh\u00f4ng?","answer":"Khi m\u1ed9t giao d\u1ecbch Bitcoin \u0111\u01b0\u1ee3c ph\u00e1t s\u00f3ng l\u00ean m\u1ea1ng, n\u00f3 kh\u00f4ng th\u1ec3 b\u1ecb h\u1ee7y ho\u1eb7c \u0111\u1ea3o ng\u01b0\u1ee3c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n th\u00f4ng th\u01b0\u1eddng. Tuy nhi\u00ean, n\u1ebfu giao d\u1ecbch v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t giao d\u1ecbch \"Thay th\u1ebf B\u1eb1ng Ph\u00ed\" (RBF), v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 ph\u00e1t s\u00f3ng m\u1ed9t giao d\u1ecbch xung \u0111\u1ed9t v\u1edbi ph\u00ed cao h\u01a1n \u0111\u1ec3 g\u1eedi l\u1ea1i c\u00e1c \u0111\u1ea7u v\u00e0o t\u01b0\u01a1ng t\u1ef1 v\u1ec1 v\u00ed c\u1ee7a b\u1ea1n. K\u1ef9 thu\u1eadt n\u00e0y ch\u1ec9 kh\u1ea3 thi \u0111\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn m\u00e0 ban \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u l\u00e0 c\u00f3 h\u1ed7 tr\u1ee3 RBF."},{"question":"C\u00e1c giao d\u1ecbch Bitcoin c\u00f3 \u1ea9n danh kh\u00f4ng?","answer":"C\u00e1c giao d\u1ecbch Bitcoin l\u00e0 b\u00fat danh h\u01a1n l\u00e0 \u1ea9n danh. M\u1eb7c d\u00f9 c\u00e1c giao d\u1ecbch kh\u00f4ng tr\u1ef1c ti\u1ebfp bao g\u1ed3m th\u00f4ng tin c\u00e1 nh\u00e2n, ch\u00fang t\u1ed3n t\u1ea1i tr\u00ean m\u1ed9t blockchain c\u00f4ng khai n\u01a1i c\u00e1c k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch c\u00f3 th\u1ec3 li\u00ean k\u1ebft \u0111\u1ecba ch\u1ec9 v\u1edbi danh t\u00ednh. \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng quy\u1ec1n ri\u00eang t\u01b0, Pocket Option khuy\u1ebfn ngh\u1ecb tr\u00e1nh t\u00e1i s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9, s\u1eed d\u1ee5ng c\u00e1c v\u00ed kh\u00e1c nhau cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau, c\u00e2n nh\u1eafc c\u00e1c giao th\u1ee9c CoinJoin ho\u1eb7c PayJoin cho c\u00e1c giao d\u1ecbch quan tr\u1ecdng, v\u00e0 hi\u1ec3u r\u1eb1ng s\u1ef1 \u1ea9n danh th\u1ef1c s\u1ef1 \u0111\u00f2i h\u1ecfi c\u00e1c l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung ngo\u00e0i ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n c\u1ee7a Bitcoin."}]}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium 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