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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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INSIGHT

Balance Doomsday Talk With Quantum Hope

  • Quantum creates both risk and huge opportunity; 'quantum hopefulness' balances doomerism.
  • The right approach is to acknowledge risk while exploring new quantum-enabled financial paradigms.
INSIGHT

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.
ADVICE

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.
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