GitHub / vishwaspaikra007 / blockchain

In the healthcare system, there is a lot of patient data that is stored and this data needs to be safe and private. With blockchain the data is visible to everyone and hence solves key issues like trust in a network with its ensured transparency of data in a blockchain network. Blockchain provides enhanced security where every transaction recorded needs to be agreed upon according to the consensus method. Blockchain networks are also immutable which means the data, once written, cannot be reverted by any means. All these features of blockchain guarantees the data to be secure and authentic but it also takes away the privacy any user would want in any network. Ability to provide limited access and the right to delete all information of the user is almost next to impossible in any blockchain network. Blockchain is a decentralised network but by using a centralised system along with the blockchain we can ensure true privacy while taking all the benefits of blockchain network by using the method of two way encryption. So this paper states a method to achieve privacy and securely store the data (patient data) in a blockchain network using a centralised system to provide privacy to its users while having all the features of a blockchain network such as transparency, security, data immutability and consensus.

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Topics: blockchain, ethereum, ganache, nodejs, reactjs, smart-contracts, truffle, web3js

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