What Is Blockchain? And What Makes It So Important?

Blockchain technology is the concept or protocol that underpins the blockchain's operation. Blockchain technology enables cryptocurrencies (digital currencies secured by cryptography) such as Bitcoin to function in the same way that the internet enables email.

Beyond cryptocurrencies, the blockchain is an immutable (unchangeable, meaning a transaction or file recorded cannot be changed) distributed digital ledger (digital record of transactions or data stored in multiple locations on a computer network).

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