Apple’s announced the most minimal and dysfunctional way of allowing third party payments for digital content in the appstore in order to comply with the results of the Epic lawsuit.
https://www.macrumors.com/2024/01/16/us-app-store-alternative-purchase-option/
It’s basically never going to be used and is useless, both for crypto but also any other kinds of payments, but let’s Apple say “we allow third party payments”.