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Post-Quantum Blockchain: Challenges and Opportunities
Sufyan Al-Janabi
https://arxiv.org/abs/2508.17071 https://arxiv.org/pdf/2508.17071

Post-Quantum Blockchain: Challenges and Opportunities
Blockchain is a Distributed Ledger Technology (DLT) that offers numerous benefits including decentralization, transparency, efficiency, and reduced costs. Hence, blockchain has been included in many fields. Blockchain relies on cryptographic protocols (especially public-key cryptography and hash functions) to achieve many essential sub-routines. However, the increased progress of quantum computation and algorithms has threatened the security of many traditional cryptosystems. Therefore, this re…