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In a FINMA survey of 60 Swiss banks, insurers, asset managers, and market infrastructures, 72% had neither planned nor implemented quantum-safe measures. FINMA's guidance has no legal force, but FINMA said existing risk-management rules already cover quantum risk.
Claudia Buch, who chairs the ECB's Supervisory Board, told bank chief executives that adopting post-quantum cryptography "must start now." She attached no deadline and said the ECB would address quantum risk in a separate letter.
The senator who moved third reading said there was "no direct discussion" of quantum threats at the committee level. Under a separate Treasury Board notice, federal departments must move high-priority systems to post-quantum cryptography by the end of 2031.
Jonas Nick of Blockstream called the design a starting point. Only signers that track which one-time keys they have used, such as dedicated signing devices, would produce the smallest signatures. Using the opcode on Bitcoin would require a soft fork.
Teams publishing in Science measured quantum learning advantages on quantum data, including an 11.8-order cut in samples. On ordinary datasets, classical models led on four of five in a peer-reviewed benchmark. HSBC and IBM reported gains in a preprint.
