Consensus is reached:
A) by the miner nodes which make sure that a transaction is valid.
B) by every single node in the blockchain network executing the same transaction.
C) by a cryptographic secure signature algorithm called ECDSA which makes sure that cheating is impossible.

Question

Quizplus · Accepted Answer

Consensus in a blockchain network is achieved when every node independently verifies and executes the same transaction, ensuring agreement on the state of the blockchain.

Consensus Is Reached