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Alamam alhsen-fy-hlh-albr
The document discusses the history and development of a new technology called blockchain. Blockchain first emerged with bitcoin, using cryptography to allow transactions to be securely recorded and verified in a decentralized database. It has now evolved and is being applied to other applications beyond currency, with proponents believing it could transform industries like finance, health care, and government services by reducing costs and improving security and transparency of sensitive records.
