London Real John Lilic - Is Your Crypto Safe? Quantum Computing Could Shatter Blockchain Security
Aug 22, 2025
Join John Lilic, a blockchain pioneer and quantum security advocate, as he delves into the future of cryptocurrencies amidst the quantum computing revolution. He reveals how quantum threats could potentially shatter blockchain security, alarming investors and traders alike. John brings insights from his journey through the crypto world, discussing the vulnerabilities in Bitcoin and Ethereum, and stresses the urgent need to adapt our security strategies. His experience emphasizes the calculated risks necessary to navigate this evolving landscape.
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Quantum Threat Targets Keys, Not Consensus
- Quantum computers threaten account-level crypto security by deriving private keys from public keys.
- Hash-based consensus (mining/finality) is much harder to break in the near term than account keypairs.
Make Post‑Quantum Roadmaps A Priority
- Prepare now by prioritizing post-quantum migration roadmaps and standards for blockchains.
- Treat demonstrable post-quantum readiness as a key bullish indicator for projects and liquidity.
Quantum Attacks Could Be Strategic, Silent
- Nation-states or proxies could weaponize quantum-enabled key recovery to trigger market panic instead of cashing out.
- Quiet, legal recoveries by quantum providers would be hard to detect and could cause systemic instability by perception alone.