Payswarm is a w3c affiliated universal payment standard. It hasn't taken off yet, but is a pretty compelling concept. http://payswarm.com/ http://payswarm.com/

Payswarm is a w3c affiliated universal payment standard. It hasn't taken off yet, but is a pretty compelling concept. http://payswarm.com/ http://payswarm.com/ http://www.w3.org/community/webpayments/ http://www.w3.org/community/webpayments/