Blockchain-Based Messaging System for Secure and Private Communication: Using Blockchain and Double AES Encryption

Blockchain-Based Messaging System for Secure and Private Communication: Using Blockchain and Double AES Encryption

DOI: 10.4018/978-1-6684-8098-4.ch021
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Abstract

In recent years, concerns about privacy and security in online communication have become increasingly prominent. To address these concerns, the authors propose a blockchain-based messaging system that provides secure and private communication using double AES encryption. The system utilizes the decentralized and tamper-resistant nature of the blockchain to ensure that messages are not modified or deleted by unauthorized parties. Additionally, they employ double AES encryption to ensure that the content of messages remains confidential even if the blockchain itself is compromised. They evaluate the performance of the system and show that it is scalable and efficient. The system provides a secure and private messaging solution that can be used by individuals and organizations alike.
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Introduction

In today's digital age, the need for secure and private communication has become more important than ever. With increasing concerns over data breaches and privacy violations, individuals and organizations are searching for new ways to protect their sensitive information.

Blockchain technology has emerged as a potential solution for secure and private communication. Its decentralized nature makes it resistant to attacks and manipulation, and its transparency allows for easy verification of transactions. Additionally, the use of advanced encryption algorithms, such as AES, further enhances the security and privacy of blockchain-based communication systems.

In this project, we propose a blockchain-based messaging system with double AES encryption to provide secure and private communication. The messaging system will allow users to send and receive messages without the need for a third-party intermediary, thereby minimizing the risk of data breaches and privacy violations. The double encryption using AES will add an extra layer of security to the messages, ensuring that they can only be decrypted by the intended recipient.

Figure 1.

Blockchain-based messaging system with double AES encryption

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This project aims to provide a practical solution for secure and private communication using blockchain technology and AES encryption. By implementing and evaluating the proposed messaging system, we hope to demonstrate the feasibility and effectiveness of this approach, as well as identify areas for improvement. Ultimately, this project aims to contribute to the development of more secure and private communication systems in the digital age.

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Blockchain

In today's digital age, secure and private communication is of paramount importance. The increasing concerns over data breaches, privacy violations, and unauthorized access have prompted the exploration of new technologies to safeguard sensitive information. One such technology that holds great promise is blockchain.

Blockchain technology has emerged as a revolutionary concept that has the potential to transform various industries, including communication and data security. At its core, blockchain is a decentralized and distributed ledger system that ensures secure and transparent recording of transactions. It provides a tamper-proof and verifiable record of events, making it an ideal candidate for enhancing the security and privacy of communication systems.

The fundamental concept of blockchain revolves around the idea of blocks and transactions. Each block contains a list of verified transactions that are linked together using cryptographic hashes, forming a chain of blocks. This immutable chain of transactions is maintained by a network of participants, eliminating the need for a central authority and making it resistant to attacks and manipulation.

One of the key advantages of blockchain technology is its decentralized nature. Traditional messaging systems often rely on a central intermediary to facilitate communication. However, with blockchain, communication can occur directly between users without the need for a third-party intermediary. This decentralization reduces the risk of data breaches and privacy violations since there is no central point of failure that can be targeted by malicious actors.

Moreover, blockchain brings transparency to the communication process. While the content of messages may be encrypted for privacy, the metadata associated with transactions, such as timestamps and sender/receiver addresses, are generally visible to all participants. This transparency enhances accountability and trust, as participants can easily verify the integrity and authenticity of transactions.

Additionally, blockchain technology provides a distributed ledger, where all participants in the network maintain a copy of the blockchain. This distributed nature ensures that no single entity has complete control over the system, making it more resilient to attacks and data loss. It also enhances the reliability and availability of the messaging system by eliminating the reliance on a single point of failure.

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