Blockchain in Healthcare Industry and why we need to use it

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All records stored in the blockchain and not saved on a single central storage unit. Multiple computers are running in the network called nodes and having a copy of all the blockchain data. When something is updated on the blockchain, all network nodes are informed about it at once. Central storage systems have many expenses, like Rent expenses, electricity expenses, inventory expenses, employee expenses, and many more hidden expenses. Central data stores can be easily manipulated, because people use it, controlled, and changed. Central storages are expensive to use, because they must be covered continuously.