Quantum-Resistant Cryptographic Frameworks for Securing Blockchain-Based Financial Transactions

Priya Batta, Vikas Wasson, Soumen Sardar

Dr Sandeep Kumar, Er. Aman Shrivastav

With the rise of quantum computing, traditional cryptographic security measures are becoming increasingly vulnerable to attacks. The financial industry, heavily reliant on AI-driven transactions and blockchain technology, faces a significant challenge in ensuring data integrity and transaction security in the post-quantum era. This paper explores the integration of quantumresistant cryptographic techniques into blockchain networks to safeguard AI-driven financial transactions. By leveraging lattice-based cryptography, quantum key distribution (QKD), and zero-knowledge proofs (ZKPs), quantum-secure blockchain solutions enhance both security and efficiency. Empirical analysis demonstrates that quantum-resistant blockchain outperforms traditional cryptographic methods in securing financial transactions against quantum threats.

Revathi K, Suganthi K

Farhadeeba Shaikh

The rise of quantum computing poses significant threats to traditional cryptographic methods currently securing financial transactions. Quantum algorithms, such as Shor’s and Grover’s, have the potential to break widely used encryption systems like RSA and ECC, making financial data vulnerable to exploitation. This research explores the development and application of quantum cryptographic algorithms designed to secure financial transactions in the quantum computing era. Focusing on techniques such as Quantum Key Distribution (QKD), lattice-based cryptography, and hash-based signatures, the study examines how these methods can ensure the confidentiality and integrity of financial data. Practical applications, including quantum-safe payment gateways and blockchain integration, are analyzed to provide a comprehensive understanding of how financial systems can transition to quantum-resistant cryptography. Furthermore, challenges such as scalability, high implementation costs, and regulatory considerations are discussed. The paper highlights the urgent need for financial institutions to begin adopting quantum-resistant cryptography to safeguard future financial transactions.

Ying Chen, Haoshu Lan, Runchun Fan +2 more

Adeshina Akin Ajayi, Igba Emmanuel, Adesola Soyele +1 more

This paper explores the integration of quantum cryptography and blockchain technology to address two pressing challenges: securing financial transactions in Central Bank Digital Currencies (CBDCs) and combating the spread of misinformation during U.S. elections through decentralized social media platforms. As quantum computing advances, traditional encryption methods may become obsolete, posing significant risks to digital financial systems. Quantum cryptography, with its quantum-resistant algorithms, offers enhanced protection for CBDC transactions, ensuring long-term security and privacy. Simultaneously, blockchain-based social media platforms provide a decentralized structure that can prevent the dissemination of false information by ensuring transparency and authenticity through cryptographic verification and consensus mechanisms. These platforms also facilitate decentralized identity management, empowering users to verify content without relying on centralized authorities. By combining quantum cryptography’s secure framework with blockchain’s decentralized transparency, this dual approach creates a more secure digital ecosystem that not only safeguards financial transactions but also strengthens democratic processes. The paper further addresses the regulatory and technical challenges associated with implementing these technologies and their potential to shape a more secure, transparent, and accountable future.