Consensus algorithms are crucial in ensuring the integrity and security of blockchain networks. They facilitate agreement among distributed nodes on the validity of transactions and the state of the blockchain. Here are some key consensus algorithms used in blockchain technology:

Proof of Work (PoW) and Proof of Stake (PoS) are two distinct consensus mechanisms used in blockchain networks to achieve agreement on the validity of transactions and the addition of new blocks to the blockchain. Here's an overview of PoW and PoS consensus mechanisms: