Proof of Stake is a proposed solution to that criticism https://en.bitcoin.it/wiki/Proof_of_Stake https://en.bitcoin.it/wiki/Proof_of_Stake (although not free o

Proof of Stake is a proposed solution to that criticism https://en.bitcoin.it/wiki/Proof_of_Stake https://en.bitcoin.it/wiki/Proof_of_Stake (although not free of criticism itself).