Abstract

Abstract: Blockchain is an innovative technology that overcomes these threats, allowing sensitive operations to be decentralized while maintaining a high level of security. Eliminate the need for trusted intermediaries. The blockchain is accessible to network nodes and keeps track of all transactions that have taken place. The goal of our work is to offer a secure communication solution based on blockchain technology. In this project, we explain why blockchain should secure communications and offer a blockchain-based messaging design pattern that maintains the performance and security of data stored on the blockchain by using a smart contract to protect identity and associated verify public key and validate a user certificate. The system is entirely a combination of blockchain and cryptography for communication systems

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