Reason: This will provide more payment options for global users while being easily manageable for devs
https://lichess.org/patron

Hyperswitch is built with Rust and is now fully free and open source (app server, card vault, web client SDK & dashboard). It is optimized for sub 30ms overhead with 50+ processor integrations. There's also multiple self-hosting options

Reddit Questions and Answers with one of the devs

As of Sept 2023, we support 50+ payment processors and multiple global payment methods. In addition, we are continuously integrating new processors based on their reach and community requests. Our target is to support 100+ processors by H2 2023. You can find the latest list of payment processors, supported methods, and features here.

Source Code: 9.2k stars, 730 forks, 158 contributors
@ornicar seen you have made changes to the payment system in #10535, care to see this project pls <3?

This can be useful for the upcoming Lichess Mobile as well