That's a fascinating point. It has me wondering if this is a solution in search of a problem though. When I do business with someone online, typically I trust

That's a fascinating point. It has me wondering if this is a solution in search of a problem though. When I do business with someone online, typically I trust the third party more than I trust the counterparty. That's definitely the case when I use my American Express card to buy something from a merchant I've never used before. It's why Ebay and Amazon Marketplace succeeded. They broker the transactions and ensure you don't get screwed in exchange for a cut of the value.