What Is A Consensus Algorithm? How Is Consensus Achieved In Blockchain?We are aware that Blockchain is a distributed, decentralized network that offers security, anonymity, and immutability. Despite the absence of a central authority to confirm and validate the transactions, every Blockchain transaction is regarded as being 100 percent safe and validated. Only the presence of the consensus protocol, a fundamental component of any Blockchain network, makes this possible. Today's focus is on “how is consensus achieved in blockchain?”