Fireside Chat with Charles on Post Quantum World

on YouTube ↗23m

" summary

Google's recent paper claims moving from ~1,000,000 to 41,000 qubits, making Shor breaks elliptic curve attacks more plausible sooner; NIST has post‑quantum standards but blockchains face social‑consensus migration problems that could require new addresses or smart‑contract workarounds. Two concrete signature paths compete: hash-based vs lattice-based (larger but well‑studied signatures versus smaller, faster but newer math). Ledger is integrating PQ algorithms into its OS for signing, and proposes hardware-enforced delegation policies (eg. $10/day agent spending limits) for safe agentic crypto payments.

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" chapters (21)

1. 0:00Introduction
2. 0:10Welcome and Charles Guillemet Introduction
3. 1:13From Chief Security Officer to CTO
4. 3:09How Custody Has Evolved Since 2017
5. 4:40Ledger's OS Approach to Supporting New Chains
6. 5:43Traditional Finance Discovering Blockchain
7. 6:06How Real Is the Quantum Computing Threat
8. 7:30Shor's Algorithm and Google's Recent Breakthrough
9. 8:57Why Migration Matters More Than Timelines
10. 9:53NIST Standards and 2030/2035 Deadlines
11. 10:44The Social Consensus Challenge for Bitcoin and Ethereum
12. 12:20Google's Paper: 41,000 Qubits for Elliptic Curves
13. 13:23Hash-Based vs Lattice-Based Post-Quantum Signatures
14. 15:13Address Migration and Transition Challenges
15. 16:43What Happens to Unmigrated Coins
16. 17:17Ledger's Approach to AI Agents and Payments
17. 18:15AI Changing the Security Paradigm
18. 19:10Why Agents Will Default to Crypto Payments
19. 19:35Hardware-Enforced Delegation Policies for Agents
20. 21:00What's Next: Security, AI, and Formal Verification
21. 22:46Closing

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