A new demonstration from ICP Hub Egypt is drawing attention to how post-quantum cryptography could be used directly within blockchain applications.
The group says it has implemented CRYSTALS-Dilithium, now standardised by the U.S. National Institute of Standards and Technology as ML-DSA, alongside a MAYO2 variant inside an ICP canister. According to the team, the demo supports live proof generation and verification, giving developers a way to test quantum-safe signatures at the application layer today.
Supporters of the work argue that it strengthens the case for long-term security on the ICP network, particularly as concerns continue around the future impact of quantum computing on existing cryptographic systems.
Most blockchain networks still rely on cryptography that could eventually become vulnerable if large-scale quantum computers are developed. That has pushed research groups and developers across the industry to explore post-quantum alternatives that are designed to resist attacks from future quantum machines.
CRYSTALS-Dilithium is one of the best-known post-quantum signature schemes and is based on lattice cryptography. It was selected by NIST as part of its post-quantum cryptography programme and formally adopted under the ML-DSA standard in 2024. Researchers say the scheme is designed to remain secure against both classical and quantum attacks.
The announcement may appeal to developers interested in secure infrastructure for long-term applications, especially where digital identity, financial records and decentralised governance systems need to remain protected for decades.
There are still questions around the practical use of post-quantum cryptography on blockchain networks. Quantum-safe signatures often require larger key sizes and heavier computation than traditional methods, which can affect speed, storage and transaction costs. Even so, many researchers see early testing as necessary given the long timeframes involved in building public blockchain infrastructure.
ICP Hub Egypt said the work could provide a foundation for future secure enclave virtualisation subnets and wider sovereignty-focused use cases across the network.\
Test it here : https://a4gq6-oaaaa-aaaab-qaa4q-cai.raw.icp0.io/?id=is3ct-jqaaa-aaaae-qjvaq-cai
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