A novel framework for secure cryptocurrency transactions using quantum crypto guard
In today’s digital world, cryptocurrencies like Bitcoin can secure transactions without banks. However, the rise of quantum computing poses significant threats to their security, as traditional cryptographic methods may be easily compromised. In addition, the existing algorithms face difficulties...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
PeerJ Inc.
2025
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| Online Access: | http://eprints.utem.edu.my/id/eprint/29502/2/024872210202523833.pdf http://eprints.utem.edu.my/id/eprint/29502/ https://peerj.com/articles/cs-3030/ https://doi.org/10.7717/peerj-cs.3030 |
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| Summary: | In today’s digital world, cryptocurrencies like Bitcoin can secure transactions without
banks. However, the rise of quantum computing poses significant threats to their
security, as traditional cryptographic methods may be easily compromised. In
addition, the existing algorithms face difficulties like slow transaction speeds,
interoperability issues between different cryptocurrencies, and privacy concerns.
Hence, Quantum Crypto Guard for Secure Transactions (QCG-ST), a novel
blockchain framework, is introduced, offering enhanced security and efficiency for
cryptocurrency transactions. The QCG-ST employs lattice-based cryptography to
provide robust protection against quantum threats and incorporates a new consensus
mechanism to increase the transaction speed and reduce energy consumption. The
QCG-ST system uses lattice-based encryption that is based on the Ring Learning
With Errors (Ring-LWE) issue to protect itself from quantum assaults. It uses
sharding, a Proof-of-Stake (PoS) consensus method, and a threshold signature
scheme (TSS) to make the system more scalable and use less energy. Zero-knowledge
proofs (ZKPs) are used to check transactions without giving out private information.
We offer a cross-chain atomic swap protocol that uses hashed time-lock contracts to
make sure that it works on all platforms. Blockchain transaction data utilized in
testing originated from the Bitcoin Historical Dataset available on Kaggle, and
quantum resistance has been assessed using the Qiskit Aer simulator. It evaluated the
framework’s performance to that of traditional methods like Payment Channel–
Lightning Network (PC-LN), Variational Quantum Eigensolver (VQE), and CrossChain Transaction with Hyperledger (CCT-H). Results show that QCG-ST does far
better than traditional systems in terms of transaction success rate (up to 98.5%),
speed, energy efficiency, latency, and throughput, especially when tested in a
quantum-simulated environment. This study completes in an essential vacuum in
blockchain technology by suggesting a strong, quantum-resistant, privacy-protecting
architecture that can handle the problems that could arise up in decentralized digital
banking in the future. |
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