A blockchain is an encrypted database that connects encrypted data blocks to establish a chronological single-source-of-truth for the information, making it difficult or impossible to edit, hack, or cheat it.The difference between a traditional database and a blockchain is that blockchain is decentralized.

Traditional databases are centralized, which means they are controlled by a single administrator.There is no administration with a Blockchain. It's a peer-to-peer network, which means that everyone is linked to it and that each node has a copy of the current database.

It's a great innovation to use when you need to manage and secure digital interactions or establish a decentralized, shared system of record also this technology that allows cryptocurrencies (Bitcoin).
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