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 corruptionOnly users who have a paid subscription or are part of a corporate subscription are able to print or copy content.
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