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The blockchain is the decentralized database of the blocks of information, which gets recorded in the chain format and linked in a secured crypto graphical manner. This technology ensures proper safety of the data due to its secure nature, and it totally changes how people carry out transactions. From getting easy access to medical records and buying insurance, you can see blockchain applications everywhere. The implementation of blockchain technology in the financial sector is much more profound than any other sector. It is now used in various industries like supply chain, finance, health care, and many more.