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If someone can figure out how to do crypto without burning through thousands of CPU-hours of compute, they would have a real winner on their hands. Of course, execution is also a key factor in success. There are lots of good ideas that were had by multiple people, but only one successfully executed.



It’s called Proof of Stake (as opposed to Proof of Work) and there are multiple implementations working already and Ethereum will migrate to PoS next year.

PoS is conceptually more complicated (block producing is assigned to nodes with staked currency and there are multiple validation techniques) but requires very little CPU power.


> If someone can figure out how to do crypto without burning through thousands of CPU-hours of compute...

I will freely admit that I'm only passingly familiar with many of the concepts of cryptocurrency, but - isn't that precisely the point? If coins are easy to mine, then they're valueless. I must be missing something...


There are other potential ways to make currency difficult to obtain without such significant energy usage.


> do crypto without burning through thousands of CPU-hours of compute

Imagine how video games could grow if only somebody invented how to make games that doesn't burn through thousands of GPU-hours of compute.




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