Proof of Work vs Proof of Stake: How Consensus Mechanisms Affect Crypto Trading

What Is a Consensus Mechanism

It’s a method by which networks like Bitcoin and Ethereum figure out which transactions are valid. One does so through miners figuring out the next block, and the other one by the majority of validators agreeing with each other on which block to use. There is no bank or other central authority in crypto world, so proof of work and proof of stake are the only mechanic on guaranteeing the truthfulness of a transaction.

Both proof of work and proof of stake prevent double-spending the same coins, and ensure no ‘free’ coins can be created at any point in time. But depending on which mechanic is used, energy consumption of the network (the blockchain), rewards for participating it, and upgrades are entirely different. This affects prices of underlying tokens, and through this, the market capitalization of the entire network.

What Is Proof of Work: How Bitcoin Mining Works

In Proof of Work, miners compete with each other to solve a very complex cryptographic puzzle. The first one to do it can get the BTC reward (or other tokens, as there are other chains with Proof of Work as a mechanic, such as DOGE or Litecoin). Currently the reward on the Bitcoin network is 3.125 BTC per found block, roughly equal to $200 000. The other miners verify that the block is valid (crucially, there is no money incentive in them identifying a fake block from another miner, as they’re in direct competition with the others).

Whoever finds the block in this case is completely random, although the more power output a miner gives to the system, the more the chances. Often people organize in massive pools, to find blocks pretty consistently and reliably, and then distribute rewards equally among themselves, according to power given to the pool.

The security of the system in this case comes from the cost. If you would want to flood the network with fake transactions, or create an extra $1 million BTC out of thin air, you would need to control at least 50% of the mining (computing) power of the network. To create block transactions, and then verify them.

If one entity can control more than 50% of power throughput in the Bitcoin blockchain, the entire thing falls apart. But unless someone is able to do that, this consensus mechanism works. And the more expensive BTC becomes, the higher its total market capitalization, the higher becomes the cost of trying to acquire 50% of the mining network. Right now, that cost is close to a trillion dollars. This is why BTC is considered very secure.

The proof of work mechanism processes block transactions in a sequential, competitive format. One puzzle at a time, only one winner every ~10 minutes (every new block). Then the race begins again. If some miners drop out, or join in, this doesn’t change things at all for the end user, as long as no one is close to controlling more than half of the network. The mining difficulty adjusts automatically every 2,016 blocks (~two weeks) to maintain average block time of 10 minutes.

What Is Proof of Stake: How Ethereum Validators Work

Proof of Work is focused on mining blocks, but how does proof of stake work? Here, instead of competing with each other through computational power, validators (that verify the transactions) compete more directly: with the amounts of tokens they own! They lock up (“stake”) their bought cryptos as collateral. And the network selects them at random (according to their total stake) to propose new blocks. If any validator doesn’t behave properly (they try to cheat, try to add fake block transactions, etc), they are punished by having a part of their stake be destroyed.

Security here comes from financial commitment, not the energy expenditure. An attacker would need to have at least 33% of the quantity of the native token of the network, to pass their blocks through. But by doing that, they would reduce the value of the network, and their own tokens, the most. Plus, part of that stake would be destroyed in the process. This is why the largest stakers are forced to be the most well-behaved. Miners have no such incentive, as they don’t need to own the coins, and can just sell them immediately after acquiring them.

For trading the important difference between proof of work and proof of stake is the pressure on the token itself. Miners are simply earning it, creating a sustained sell pressure, that never subsides, no matter the situation. It is constant and unchanging. Meanwhile, in proof of stake, validators are incentivised to buy the tokens, and hold them for a long time. If you want to become a new validator, and earn rewards from securing a network, you need to purchase ETH, SOL, or whatever the token of that network is, on the market. Miners, in comparison, never had to buy anything.

At the same time, this increases price swings to the downside. If people no longer want to validate the network, and are rushing for the exit, the price of the token might surprisingly go downhill, and continue to do so over a long period of time, as people are exiting the network and selling their coins. This is why ETH and SOL prices fall, on average, significantly more than the price of Bitcoin.

In another difference from Proof of Work Proof of Stake has extremely low energy costs. People validating the network compete on the amount of tokens they own, not on the computing power. Since transitioning from Proof of Work vs Proof of Stake in 2022, Ethereum has decreased its energy consumption by around 99.95%.

Proof of Work vs Proof of Stake: Side-by-Side Comparison

The proof of work vs proof of stake comparison is not a question of one being universally superior. Each consensus mechanism has different trade-offs and plusses. However, more modern networks, if they want to become large and process transactions in size, have no choice but go for the proof of stake model, as it is much more energy efficient.

How Consensus Mechanism News Moves Crypto Prices

The most important things for crypto traders and investors to know are:

• Bitcoin halving events (PoW), when block reward is cut in half, each four years. They usually trigger a long-term bull run, and the halving event itself is quite volatile.

• Ethereum upgrades (PoS). The difference between proof of stake vs proof of work is that network can upgrade more frequently. For ETH and SOL, there are often changes to staking yields, withdrawal rules, or small new validator requirements. This can shift supply dynamics in subtle ways, and influence token prices.

• Regulatory developments (PoW, PoS). There are sometimes proposals to restrict PoW mining, to save electricity. This is part of the reason for China crypto ban, and there’s ongoing similar debate in the EU. This affects crypto prices directly, as crypto is quite susceptible to such news.

What This Means for Trading BTC and ETH on Pocket Option

The blockchain Proof of Work vs Proof of Stake distinction significantly affects trading characteristics for BTC and altcoins on Pocket Option and with other brokerages:

• For BTC: price is influenced by halving cycles (this is a huge and long-term predictable narrative), miners joining or leaving, general PoW narratives.

• ETH, SOL: staking dynamics play a significant role. Protocol upgrades, the supply being inflationary/deflationary. These are smaller volatility events than the halving, but they are much more frequent.

Many crypto assets are available to trade directly in Quick Trading and MetaTrader modes on Pocket Option. The demo account supports both for testing with virtual funds.

Conclusion

The Proof of stake vs Proof of work comparison is not abstract: it directly determines how new coins are being created, how secure the network is, and what drives its underlying economy. Tracking cycles and staking queue for the asset you trade has become second nature for many crypto traders on Pocket Option. Understanding these mechanics gives traders more context than pure chart analysis, and can prepare them for the future events.

Disclaimer: None of the information in this article constitutes financial or investment advice. Cryptocurrency trading/investing has substantial risks involved, including the risk of losing your entire deposit.