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In general, blockcahin technology is a distributed system that is used to record and store transaction records. To be more specific, blockchain is a shared, unchanged record of peer – peer transactions made from linked transaction blocks and stored in a digital ledger. Blockchain technology relies on already-established cryptographic techniques that allow each participant in a network to interact. Interaction means that each participant can store, exchange, or view information without preexisting trust between the involved parties.  In blockchain technology, there is no central authority. Instead, all transaction records are stored and as well distributed across all participants in the network. Interactions within the blockchain should be known by all participants and may require verification by the network before one can add information. This enables trustless collaboration among network participants while recording a changeable audit trail of all interactions. Blockchain sy