I think rather than advertising an actual payments system, this is an example prototype application built with the Solid stack, with the intention of promoting

I think rather than advertising an actual payments system, this is an example prototype application built with the Solid stack, with the intention of promoting Solid development. https://github.com/solid/solid https://github.com/solid/solid Seems like something that might eventually show up in the Showcase section at https://solid.mit.edu/#showcase https://solid.mit.edu/#showcase.