Question

what is blockchain??​

Answer 1

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Blockchain is a system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system. A blockchain is essentially a digital ledger of transactions that is duplicated and distributed across the entire network of computer systems on the blockchain.

Answer 2

Answer:

Blockchain.com is a cryptocurrency blockchain explorer service, as well as a cryptocurrency wallet and a cryptocurrency exchange supporting Bitcoin, Bitcoin Cash, and Ethereum. They also provide Bitcoin data charts, stats, and market information

Explanation: