10% APR on TGBP, compound (TrueGBP), which can be bought from Crypto.com (this is also a referral, if you stake for their card that pays cashback in their own token, you receive $25 in their coin as a bonus) or alternatively directly from the company who run TGBP crypto, TrustToken.
You’ll get a $40 bonus paid in BTC, should you pay in $400 or equivalent in any supported token (incl TGBP), provided you maintain the balance until the bonus is paid.