A survey by the Global Risk Institute has highlighted growing concern that quantum computing could undermine the cryptographic foundations of cryptocurrencies within the next decade.
Experts estimate a 28% to 49% probability that quantum machines capable of breaking current encryption standards could emerge within 10 years, with the probability rising further over a 15-year horizon.
Cryptocurrencies such as Bitcoin rely on public-key cryptography to secure transactions and verify ownership. Advanced quantum algorithms could reverse-engineer private keys from public data, exposing wallets and weakening blockchain security.
The risk is seen as particularly relevant for long-term stored assets and static addresses. Industry researchers and technology firms are already exploring post-quantum cryptography to mitigate potential disruption.
Efforts led by standards bodies such as the National Institute of Standards and Technology focus on developing encryption methods resistant to both classical and quantum attacks, although full migration across decentralised systems remains complex.
The findings place quantum readiness alongside broader digital security priorities, as financial systems, communications networks, and public infrastructure share similar cryptographic dependencies.
The evolving timeline is prompting early-stage preparation across the cryptocurrency ecosystem, where system upgrades must balance security, decentralisation, and continuity.
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