
The Aubservation Google Just Moved Q-Day to 2029 — Everything Changes Now
Mar 30, 2026
Nic Carter, founding partner at Castle Island Ventures and crypto analyst, and Alex Pruden, CEO of Project 11 and former Green Beret with cryptography experience, dissect Google’s 2029 quantum timeline. They explain Shor’s risk to public-key systems, why error correction made quantum practical, and why Bitcoin and many blockchains face urgent migration and governance challenges.
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Green Beret Introduction To Bitcoin In Syria
- Alex Pruden first encountered Bitcoin while in northern Syria as a Green Beret helping opposition fighters; he saw it as a borderless store of value for refugees.
- That experience motivated his shift from military to studying cryptography and building Project 11.
Google's Demo Removed A Key Barrier
- Google's 'below threshold error correction' demo showed marginal qubits improve reliability, meaning engineers can buy reliability by adding qubits.
- That removes a key barrier and makes large-scale quantum computing a solvable engineering problem.
Begin Migration Now To Avoid A Panic Rush
- Start the migration to post-quantum signatures today because a full Bitcoin migration likely takes five to ten years.
- Treat migration as a long coordinated effort: write specs, test thoroughly, and avoid last-minute rushed fixes.


