So you might have heard that Ethereum is considering changing its distributed consensus system to something called proof of stake. Here, we will try to explain what this is as well as how it may affect you.

What is Proof of Stake?

To truly understand proof-of-stake (PoS) it is easier if we also explain the current system being used by Ethereum, and that is proof of work (Ethereum Mining). So basically when Ethereum is transferred, miners group that up into a ledger called a block chain and to do this they have to solve a puzzle. In creating this blockchain, a lot of computational power is also used. The amount of reward you get for creating a blockchain is a transaction reward. However, this depends on how much work you ie. how fast you can calculate and solve the puzzle.

So this is all going to go away once proof of stake comes along. With proof of stake, you don’t actually solve any puzzles. You remove the puzzle solving element from the system and thus change the way the reward is distributed. So instead of proving how fast you can calculate with hashrate, you need to prove how much Ethereum you own. You do this with something called a master node. When you create a master node, you have to lock up a certain amount of Ethereum to prove that you have it and rewards are distributed according to how much proof of stake you have. One can create multiple master nodes with a lot of Ethereum inside and you’ll earn more through this method.

How does this affect me?

So that’s going to be extremely interesting for everyone. We’ve seen proof of stake currencies before. Dash is one example where 50% of the rewards is done by mining and the other 50% is done by proof of stake. And there is PIVX which is 100% proof of stake. The advantage of proof of stake is huge. One benefit is that you no longer have to do the calculations which mean you save a lot of computational power. Another one is that you actually lock up Ethereum. By locking up Ethereum you effectively create more scarcity which means the price should go up.

So hopefully, it’s going to happen sometime this year. To do so, the people in charge of Ethereum have to make sure the code is ready and stable. And they also have to make sure they have the support of the miners. That’s going to be an interesting thing to see in the coming months because if the miners don’t support this move then what can happen is that it might break up Ethereum again just like last year.

But there are mechanisms to help along this process. Ethereum actually has kind of a ‘time bomb’ that would blow up if the switch is not made. The switch has always been planned and it’s in a sense been hard coded to happen sometime so that’s kind of interesting to see how this will progress.

Miners also do not need to worry they will be without a job. There are other currencies that can be mined with the current hardware. For example, if you use AMD GPUs, you can start mining Zcash which is also extremely profitable right now. So I do see this as being very exciting for everyone.

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