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AI and blockchain, allies of security

TalkinFrenchat DevFest Toulouse 2025 · on Thursday, 2025-11-13· [security, large-language-models]
slides:none on file

Demonstrates how AI (voice cloning from as little as 3 seconds and attacker models like WormGPT) and blockchain technologies can be used for security: shows a toy blockchain using SHA-256 and how modifying block 2 breaks the chain, a zero-knowledge proof to verify age without revealing it, and an ML model that flags brute-force login anomalies in logs. Discusses concrete risks (51% attacks on small/private chains and quantum threats to SHA-256) and presents detection and traceability as practical defenses.

AI-written summary · about

  1. 0:00Security evolution
  2. 1:30Modern threats
  3. 3:57Blockchain demo
  4. 6:52Zero-knowledge proofs
  5. 8:14Blockchain use cases
  6. 9:58Private blockchain risks
  7. 10:39AI anomaly detection
  8. 12:46AI + blockchain vs supply chain
  9. 13:49Conclusion & Q&A
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