A Blockchain is a digital ledger of transactions protected from hacking and modification by a network of computers. With the help of technology, people can transact with one another securely without the need for a middleman like a bank, government, or other third party. Cryptography is used to link together blocks, a set of records. Peer-to-peer computer networks independently verify each transaction, time-stamp it, and then add it to the ledger. Data cannot be easily changed once it has been captured. Blockchain technology has gained popularity with the increasing use of Bitcoin, Ethereum, and other cryptocurrencies, but it also has promising uses in the legal sector, real estate transactions, the medical field, and any other sector that requires the authorization and documentation of a series of actions or transactions.
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