Who Are Blockchain Validators: How Are Transactions Validated?
However, this voting course of varies based on the consensus protocols of the community. There are quite a few validation strategies, often recognized as consensus mechanisms, throughout the totally different blockchain techniques. However, the two hottest methods are Proof-of-Work (PoW) and Proof-of-Stake (PoS). Consensus mechanisms are used to verify incoming transactions to ensure that double-spending doesn’t occur, and the info is accurate. Polkadot, a multi-chain platform, selects validators primarily based on the amount of DOT staked and their performance metrics.