Proof of work is the older of the two, used by Bitcoin, Ethereum 1.0 , and many others. The newer consensus mechanism is called proof of stake, and it powers Ethereum 2.0, Cardano, Tezos and other (generally newer) cryptocurrencies.
Proof of work is the older of the two, used by Bitcoin, Ethereum 1.0 , and many others. The newer consensus mechanism is called proof of stake, and it powers Ethereum 2.0, Cardano, Tezos and other (generally newer) cryptocurrencies.