Well...TIL. Is there any good resource to learn about the technical side of how payments are processed, and this new tokenization/network-level tokenization eff

Well...TIL. Is there any good resource to learn about the technical side of how payments are processed, and this new tokenization/network-level tokenization effort (http://clover-developers.blogspot.com/2014/09/apple-pay.html http://clover-developers.blogspot.com/2014/09/apple-pay.html)?