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BLOCKCHAIN
A blockchain is a distributed database that is shared among the nodes of a computer network. Is a growing list of records, called blocks, that are linked together using cryptography.
As a database, a blockchain stores information in digital format. Blockchain is a system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system.
Blockchains are best known for their crucial role in cryptocurrency systems, such as Bitcoin, for maintaining a secure and decentralized record of transactions.
Different types of information can be stored on a blockchain, but the most common use so far has been as a ledger for transactions. |