*It would be perfectly possible to build a payment system where the participants...

		reaperducer on Jan 6, 2020 \| parent \| context \| favorite \| on: U.S. retailers rush to comply with CCPA It would be perfectly possible to build a payment system where the participants by default don't know the identity of most other parties. It's been done. Cash. Checks. Travelers checks. Money orders. Cashiers checks. Gift cards. Pre-paid debt cards.