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Will Proof of Stake Kill Ethereum Mining?

Proof of stake has been one of the most controversial topics in the crypto space. Most of the newer blockchains are now using proof of stake as their consensus mechanism. In fact, even some of the major players in the blockchain industry, like Ethereum, are working on the transition from the Proof of Work consensus protocol to Proof of Stake.

But as we have seen in the past, miners rely on the proof of work protocol to get mining rewards. In the proof of work consensus, miners usually have to solve complicated mathematical puzzles and whoever is first gets the rewards. Things are a bit different with PoS. In that, with Proof of Stake, the validators are randomly selected depending on the amount of the native blockchain tokens they’ve staked.

With that said, Ethereum might no longer be mineable. So, this brings us to today’s main question: will proof of stake kill Ethereum mining? Read on to find out.

How will the Proof of Stake Consensus Protocol Affect Mining?

There is a significant difference in how stakers/miners are paid in the Proof of Stake and Work mechanisms. In the traditional sense, participants of a blockchain are rewarded for energy spent to secure the blockchain network. In PoW, participants are paid block rewards to compensate for the time and expenses incurred when securing the network.

proof of stake kill ethereum mining
Photo by WorldSpectrum / 102 images

When it comes to the Proof of Stake protocol, there is no traditional mining. Instead, we have validators who get paid block rewards for risking capital to stake in the blockchain network’s native cryptocurrency. PoS doesn’t require energy costs or expensive hardware. Instead, we have capital that validators stake on the network. Deductions are made whenever the validators act maliciously or make errors.

We can safely say that Proof of Stake is more economically sound. What’s more, it makes blockchains decentralized and saves the environment. For that reason, we can say that Proof of Stake will kill Ethereum mining.

However, Proof of Stake faces much opposition from miners who have invested millions in acquiring mining hardware. The PoW consensus protocol switching to PoS means that once Ethereum transitions to proof of stake, they will lose 100% of their revenue. Because PoW miners have such substantial financial incentives; some have been disruptive and even attempted to delay the launch of Ethereum 2.0. Others have even suggested the initiation of a hard fork so that a version of Ethereum remains to be Proof of Work.

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Is Proof of Stake More Environmentally Friendly?

Proof of Stake is the green alternative to the Proof of Work consensus protocol. It all makes a lot of sense, considering that one of the significant downsides to PoW is the high energy consumption. The PoS chains still consume energy, but the good thing is that it’s not integral to the network’s security protocols.

For that reason, energy consumption tends to be lower in PoS compared to PoW. A shift of Ethereum from PoW to PoS will potentially reduce the energy expenditure by at least 99.9%. And this is not just with Ethereum. Other Proof of Stake chains also has such impressive energy profiles compared to the Proof of Work counterparts.

proof of stake kill ethereum mining
Photo by WorldSpectrum / 102 images

In this case, using energy consumption as the proxy for environmental friendliness, we can safely say that PoS is far much greener than the PoW mechanisms.

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Is Proof of Stake the better Choice?

When comparing the PoS consensus mechanism to PoW, it can be hard to lean more towards one direction. That’s because each of these protocols come with its own set of pros and cons. That said, let’s take a look at some of the advantages that PoS brings to the network.

Advantages of PoS

  • The barrier to entry is lower, which makes Proof of Stake theoretically more inclusive. The costs of PoS are lower as you don’t have to worry about investing in powerful hardware. While the minimum staking requirements for Ethereum 2.0 are pretty high, staking pools help take care of that.
  • PoS has a lower energy footprint. Proof of Stake has a lower energy footprint than the PoW protocol, which is better for the public and media. Essentially, that plays a vital role in the adoption of this technology.
  • Faster transactions and lower transaction costs are all thanks to the reduced energy requirements. That also plays a vital role in the mass adoption of PoS.
  • Proof of Stake reduced the 51% attack chance. A validator who has at least a 51% hash rate can attack the network. While that might be expensive, it’s not impossible.

Attacking the network requires 51% of the validator’s staked capital. Therefore, an attack on the chain will interfere with the attacker’s capital which is very irrational economically.

proof of stake kill ethereum mining
Photo by rebcenter-moscow / 25 images

Shortcomings of Proof of Stake

  • Proof of Stake creates a ‘the rich get more prosperous scheme’. Validators with the most significant stake on the blockchain network get the biggest share of the rewards. This could eventually lead to decentralization as the richer will get greater influence over the network.
  • PoS has no inherent value. Staking tends to be more dilutive compared to mining. With PoW, at least the energy expenditure is equal to the inherent value of the mining rewards.
  • PoS also limits access to the small-scale network participants. As we have seen, we can’t just say that PoS is more superior to PoW. However, Proof of Stake comes with particular performance-related and environmental benefits that are crucial to the blockchain community.

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In Summary; Will Proof of Stake Kill Ethereum Mining?

To those who have been wondering, Proof of Stake will definitely kill Ethereum. That means people will no longer get rewards for heavily investing in mining hardware. With PoS, the block rewards will instead flow to those who have control over the network’s capital.

And not just that, PoS comes with a wide range of benefits such as a media narrative, network performances and cleanliness. All in all, Proof of Work still isn’t obsolete. Proof of Work still provides the participant with greater fairness, value, and security as a consensus mechanism.



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