Vulnerabilities of Blockchain Security in the World of Quantum Computing
summary
Argues that quantum computers (roadmap: 1100 qubits this year, 4,000 qubits within ~2 years) break current RSA/ECC signatures and thus blockchain authenticity. Demonstrates a practical retrofit on Solana that keeps on-chain data unchanged by storing 32-byte hashes of post‑quantum addresses/signatures, resolving them via a separate lookup table and validating with a dedicated post-quantum validator network; preserves original TPS, led to a recent US patent and recommends HSM protection for validator keys.
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chapters (14)
- 0:00Postquantum crypto conference intro
- 1:10Blockchain security in quantum era
- 3:01Quantum timelines and crypto risks
- 7:19Blockchain offchain vulnerabilities
- 10:36Postquantum threats to signatures
- 13:48Postquantum crypto in Solana
- 15:57Securing validators with HSMs
- 17:22End-to-end email encryption
- 18:24Steganography for quantum-safe data
- 19:53Postquantum remote access
- 20:40User-ready postquantum solutions
- 21:45Q&A: Trust and validator authenticity
- 23:55Q&A: Bitcoin’s quantum vulnerability
- 26:45Closing remarks
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