Full FCA UK financial-promotions self-audit for cryptoasset marketing. Invoke when your marketing reaches UK consumers — landing page, ad, email, banner, X post, KOL contract, video script, app store listing, press release. Returns verdict + per-rule analysis + rewrite suggestions. Authored by an ex-CMO of two international crypto exchanges; reflects Section 21 FSMA, the Financial Promotion Order, COBS 4.12A, PERG 8, FCA's October 2023 cryptoasset financial-promotions regime, and the precedent set by HTX (Feb 2026 enforcement action). Geographic scope: United Kingdom.