When we first get to know the blockchain with cryptocurenccy bonds and different, but now the bitcoin. blockchain broadly penetrated, from the banking world to humanity.
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Blockchain generally interpreted as a big book digital, where every transaction is recorded in chronological order and distributed to the public as well as secured by the cryptographic techniques.
Technically, Blockchain, Bitcoin transactions in this case, starting with the broadcasting of the transactions utilizes peer-to-peer technology, which is similar to download movies make use of Bittorrent. The transaction was broadcast called "nodes. Transaction or the node validated by the community, whether true or not