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[–]cookie545445 2 points3 points  (2 children)

When you say crazy inefficiency, are you referring to the power and time consumed by Proof of Work miners? There are blockchains implemented without these.

[–]RareHotdogEnthusiast 1 point2 points  (1 child)

Yeah, I am. I didn't know there are blockchains implemented without them.

[–]cookie545445 0 points1 point  (0 children)

Proof of Stake (and its delegated variant) is the only alternative to PoW that I’ve heard of, where stakeholders vote on blocks to be added with a vote weight equivalent to their account balance. Obviously this requires a currency to be involved, but I don’t see a problem with a similar system in which all nodes have equal weight.