Blockchain Based Email Security to Mitigate Phishing Attack
DOI:
https://doi.org/10.69955/ajoeee.2024.v4i2.73Keywords:
Blockchain, Smart Contract, Email Security, Phishing Attack, Authentication, Decentralized SystemAbstract
Due to the rapid development of research in blockchain technology and cryptocurrencies, all sectors of an economy rely on their security essentials to mitigate various patterns of attack on the Internet. The smart contract is a transaction protocol that strengthens, verifies, and automatically enforces agreements after negotiation between multiple untrustworthy blockchain parties. Despite the positive aspects of smart contracts, issues of security risks, weaknesses, and legal challenges continue to undermine their implementation. This paper proposes an enhanced email verification system using blockchain-enabled smart contracts. In this framework, blockchain email enables swift verification of all emails being transmitted by introducing a challenging framework that prevents an internet attacker or cybercriminal from altering the authentication process. An acknowledgement email will be transmitted to the sender upon successful delivery, and the receiver can automatically receive the email with unique credentials. The findings reveal that the proposed system significantly mitigates phishing attacks by ensuring email authenticity and transaction integrity through blockchain hashing techniques, thereby enhancing email security in both online and offline environments.
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