Capco: What Blockchain Isn't?

Ditch the hype. It’s time to face up to the reality of blockchain

Let’s cut to the chase. Blockchain is a combination of four existing technologies put together to create something new. These technologies are well-known:

Distributed, open ledgers: A shared, public record Public-key encryption: A secure method of transferring digital data Merkle tree hashing: An elegant solution to retaining an audit trail Consensus protocols: Validating new records to prevent corruption

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