Paying
- Free goods (as information), supported by advertisers
- The referred service pays for references made
- After contact and selection direct by credit card
at some processing overhead and delay
- Customer trust for tolerable losses
- Audited ba mediator, violators are blacklisted only
- Escrow for substantial value: more delay
- Very small transactions use wallets
a. Risk is assumed by the vendor:
b. Risk is assumed by the customer:
- Subscriptions for long-term interactions