Proof of Stake (PoS)

wikipedia:Proof of Stake protocols are a class of consensus mechanisms for blockchains that work by selecting validators in proportion to their quantity of holdings in the associated cryptocurrency.

• Peercoin (2012)
• NEO (Feb 2014)
• Cardano (Sep 2017), Ouroboros, Ouroboros Genesis
• Tezos (Jun 2018)
• Algorand (Apr 2019)
• Solana (Mar 2020)
• Polkadot (May 2020)
• BNB Smart Chain (BSC)
• Nxt
• QTUM
• Avalanche
• Ethereum 2.0 (Sep 2022, The Merge)
• Terra
• Cosmos
• Celo
• Polygon PoS

Related

• Proof of Work (PoW)
• Ethereum Beacon Chain
• nothing-at-stake problem
• staking service
• Liquid Staking
• lighthouse Ethereum software

geth
INFO [05-31|12:51:05.069] Consensus: Beacon (proof-of-stake), merged from Ethash (proof-of-work)

Activities

• Read https://www.technologyreview.com/2022/03/04/1046636/ethereum-blockchain-proof-of-stake/

See also

• Staking, Tezos, Cosmos, StakeWise, Staking facilities, Finoa, APR, validator, Ethereum Beacon Chain, Lido Staked ETH, Attestation effectiveness, lighthouse beacon node, Staking rewards, Chorus One, Allnodes, Ethereum SRB, Liquid Staking Token (LST), LPOS, Liquid Staked ETH (LsETH)
• Proof of Stake (PoS), PPoS, Algorand, NEO, Cardano, QTUM, Polkadot, Solana, Staking, Validators, Pool provider, Liquid Staking, Cosmos, Agoric, Proposer, Subjectivity
• Consensus, Proof of Stake (PoS), Consensus clients, Execution clients, Prysm, Lighthouse, Lodestar, Teku, Nimbus, Consensus Layer (CL), Beacon client