France just set a 2027 deadline to stop certifying any security product that doesn’t use post-quantum cryptography. By 2030 the entire French economy has to be quantum-safe.
The crypto everyone’s holding right now (Bitcoin, Ethereum, almost every chain) runs on elliptic curve cryptography.
Exactly the family of algorithms France just put on the chopping block.
The threat itself isn’t new. Governments have been quietly storing encrypted traffic for years waiting for quantum computers to catch up. “Harvest now, decrypt later” stopped being a conspiracy theory the day major intelligence agencies built infrastructure for it.
Bitcoin will survive this. The protocol can soft-fork to post-quantum signatures the same way it soft-forked to SegWit and Taproot. But this is the first state-level deadline that forces the industry to actually move instead of writing whitepapers about it.
CZ’s quantum freeze proposal from two days ago hits different now. The countdown started, and the chains without a real migration plan by 2028 are going to look very different from the ones that have one. 🤝
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