CardIO is archived project. It cannot be relied upon. To remain relevant, Caishen should drop support and supply other approach in docs not using it. https://github.com/card-io/card.io-iOS-SDK
CardIO is archived project. It cannot be relied upon. To remain relevant, Caishen should drop support and supply other approach in docs not using it.
https://github.com/card-io/card.io-iOS-SDK