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Crypto
Consensus Mechanism
The set of rules a blockchain uses so every computer on the network agrees on what the true record of transactions is.
Different consensus mechanisms have different pros and cons (speed, energy use, security). It's the heart of what makes blockchain trustless and decentralized.It's like the rules of a group game that make sure nobody can cheat and everyone ends up with the same final score.
Real world: Bitcoin uses Proof of Work as its consensus mechanism, while Ethereum uses Proof of Stake — both make sure the whole network stays in sync and secure.
💡 Understanding the consensus mechanism tells you how secure and green a blockchain really is — always check it before investing big.