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A comment on Many Bitcoin Miners Are at Risk of Turning Unprofitable. Parent comment

Re:Many Bitcoin Miners Are at Risk of Turning Unprofitable by wellboy on Wednesday April 18, 2018 @11:39AM (#16868236)
This doesn't matter, PoW (achieving consensus through mining power) is becoming obsolete.

Ethereum is moving to a PoW PoS hybrid (Casper) which uses a lot less energy and so are most of the new cryptocurrencies.

It's possible that bitcoin will soon, too.

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Re:Many Bitcoin Miners Are at Risk of Turning Unprofitable by paulmd on Wednesday April 18, 2018 @05:25PM (#16871337)
I'm not aware of any cryptocurrency that has successfully implemented a decentralized PoS system. There have been a few that have "master keys" to sign blocks, however.
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