V.V.Bhavani, K.Saisri, K.Naveen, M.Lalitha 03 4 The Block chain technology is new technology in digital platform for making transactions in decentralized mannerBlockchain is uses from last some year for bitcoin over the last ten years the recordkeeping technology behind the Bit coin network is blockchain In blockchain Each block contains a cryptographic hash of the previous block a timestamp and transaction data So for identity card it is noticeable for security If we implement blockchain technology for digital identity card it is very secure for the user Identity card has personal information and some important information included The identitycard like Aadhar card pan card etc have lot personal and important information if we are not using securely then it will use for any illegal work which is harmful Now these identity cards are stored in file with encryption method which will hacked by hackers So we propose our system for eidentity card using blockchain technology In our proposed system we are usingblockchain and IPFS server which is immutable server which helps us to system will more secure Once one transaction will done before the transaction the block will be created which is hash of information like date time etc and this block send toblockchain which will maintain all block For implement the blockchain we will use Ethereum platform This solution is secureand more trusted than traditional models Copyright (c) World Journal of Pharmaceutical Seiences. All rights reserved 2026