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The Quantum Threat to Crypto: What the EU Warning, Exposed Keys, and Q-Day Timelines Actually Mean
EU supervisors flagged quantum risk to blockchains, and about 30% of Bitcoin supply has public keys already exposed. What the numbers mean — and why migration is a governance problem.- 3
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The Key Never Left the Box. That Was Never a Guarantee.
A study forged RSA signatures on a key that never left its hardware security module. The key was not the problem. The interface that answered four billion questions was.- 14
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Q-Day Field Notes: Bitcoin’s Quantum Bill Dropped 79% in a Week
An open contest run by StarkWare, Yukon Research and Eigen Labs cut the estimated cost of building a quantum-safe Bitcoin transaction from about 320 dollars to 67 in a week. That benchmark matters more than any Q-Day forecast - three notes on it, and two things people get wrong.- 23
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