Please, please, please stop using passkeys for encrypting user dataFebruary 27, 2026·670 words·4 mins
In a letter to staff, Amodei refers to OpenAI’s messaging as “straight up lies,” stating that Altman is falsely “presenting himself as a peacemaker and dealmaker.”
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Consider an example. An AI rewrites a TLS library. The code passes every test. But the specification requires constant-time execution: no branch may depend on secret key material, no memory access pattern may leak information. The AI’s implementation contains a subtle conditional that varies with key bits, a timing side-channel invisible to testing, invisible to code review. A formal proof of constant-time behavior catches it instantly. Without the proof, that vulnerability ships to production. Proving such low-level properties requires verification at the right level of abstraction, which is why the platform must support specialized sublanguages for reasoning about timing, memory layout, and other hardware-level concerns.
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}Audio: Wiretapping the Web Audio APIYou can't reliably capture audio output from a headless browser. So we don't try to capture speaker output. Instead, we spy on playback intent.
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