Abstract
Block chain is a technology that is used to save the record of all information related to crypto currency transactions in a public ledger. Digital currency transactions can be done without any third party. When a coin is transferred by a computer, its information reaches all the computers connected to the network, and the transaction is verified. After this, the transaction data is secured by encoding it in blocks using cryptography technology. Similarly, many types of blocks together form the Public Ledger, which is called Block chain. During this hackathon, the winners will also be awarded up to three lakh rupees. Block chain has been the topic of discussion all over the world in recent times. Ever since the crypto currency era began, block chain has come into the limelight more and more, because crypto currency works on block chain technology itself.
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