Blockchain

Blockchain is a decentralized and distributed digital ledger technology that securely records transactions across multiple computers. The main innovation of blockchain is its ability to allow digital information to be recorded and shared without the need for a central authority, ensuring transparency and security.

Each transaction on a blockchain is grouped into a "block." These blocks are linked or "chained" together in chronological order through cryptographic hashes, which are unique identifiers generated by a hash function. Once a block is …

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