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When Will Ethereum Mining End? Ethereum’s Move To Proof-Of-Stake

We have recently been asked to share a piece from CoinCentral.com, a leading cryptocurrency news based website, by Steven Buchko. The piece is titled The End of Mining: Ethereum’s Move to Proof-Of-Stake, and it addresses questions circulating around Ethereum Mining. In short, the piece tackles the questions; When will Ethereum Mining end? When will Ethereum switch to Proof-Of-Stake?, and, What is the Casper Algorithm? Enjoy the article, and remember to share its great content!

When will Ethereum mining end?

In August of this year (2017), Vitalik Buterin, creator of Ethereum, released the implementation guide for the first version of Casper.

As a hybrid proof-of-stake (PoS)/proof-of-work (PoW) algorithm, Casper v1 is going to decrease (and eventually end) the profitability for Ethereum miners.

The release date is estimated to be sometime in 2018 as part of the Constantinople hard fork and there’s a lot to learn before this happens:

  • What is Casper?
  • What is the “difficulty time bomb”?
  • How does this affect miners?

What is Casper?

Casper is a PoS algorithm that’s projected to be released on the Ethereum network sometime in 2018. Beginning as a hybrid with the current PoW algorithm, the first version of Casper will only use a PoS consensus to validate every 100th block, called “checkpoints”.

Once a checkpoint is validated, there’s no way to go back and use a chain without it. Even if 99% of miners support a chain that doesn’t include a checkpoint block, all clients in the network will still continue to use the one with the checkpoints. This removes a lot of the power that miners currently have.

The Ethereum community hypothesizes that the switch to PoS will help with the scaling issues that the network is currently facing. The algorithm should enable new blocks to be created more quickly while allowing the network to scale more efficiently through sharding. Sharding is a horizontal partitioning of a large database into smaller and more easily managed parts.

Beyond that, PoS algorithms also use less energy to run the network, reduce centralization, and make 51% attacks more difficult.

What is the “difficulty time bomb”?

With the upcoming hard fork, there could potentially be three forks of Ethereum:

  1. Ethereum PoS
  2. Ethereum PoW
  3. Ethereum Classic

And, if you’re a miner, you may be thinking, “No big deal, I’ll just continue to mine and give support to the Ethereum PoW fork.”

Not so fast.

The Ethereum developers have stated that they’ll be releasing what they call the “difficulty time bomb” on the PoW chain shortly after Casper is implemented. To put it simply, the difficulty time bomb increases the mining difficulty exponentially until the chain becomes impossible to mine – an event called the “Ethereum Ice Age”.

Implementation of this strategy should prevent the creation of a third fork as support for the original PoW fork will just shift to the new PoS fork. The time bomb was originally planned to go off at the end of 2017 but has been pushed back by a year and a half. Right now, there’s not an exact estimate of when it’ll be released.

How does this affect miners?

If you’re a miner, you may want to start looking for more profitable coins to mine. Even though a complete shift to a PoS algorithm is still a year or two away, it’s clear that the Ethereum community is almost unanimous in this decision.

With block rewards decreasing from 5 ETH to 3 ETH and every 100th block soon being validated by PoS, you should check out mining other coins like Monero or even Ethereum Classic.

Again, this article was shared with us by our friends at CoinCentral.com. Go check their other work out here!

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