A blockchain is a digitized, decentralized, public ledger cryptocurrency transactions. Transactions such as the exchange of assets or data are recorded in distributed blocks which are shared among the participants in the blockchain network. All the confirmed and validated transaction blocks are linked and chained from the beginning of the chain to the most current block. Every record in the distributed ledger has a timestamp and unique cryptographic signature, thus making the ledger an audit-able, immutable history of all transactions in the network. Blockchain was implemented first time as part of digital currency bitcoin. In future blockchain can be used to develop the application for finance, supply chain, healthcare etc.
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