- Bit Gold - Nick Szabo
- B-money - proposal for an "anonymous, distributed electronic cash system" Wei Dei 1998
- GeoNet
- TIMWE
- Spare Change Payments
- I-Free
- Hub Culture
- MintChip
- CentUp
- Ribbon (company)
- Ecash
- DigiCash
- ChangeTip
- Microstock photography
- SatoshiPay
- Ripple_(payment_protocol)
- [[Category:Micropayment]]
- Microtransaction
- Business_of_webcomics#Micropayments
- Bitcache
- Flattr
- Payment rail
- Brave (web browser)
- Footprints Network
- Hashcash
- Millicent_(disambiguation)
- Pingping (payment)
- Lightning Network
- Windows Live Gallery
- Oxigen Services
- Zong mobile payments
- Three UK
- Delitoon
- CyberCash
- Penny
- Stock photography
- Email spam
- Outlit
- Octopus Cards Limited
- Ven (currency)
- Zong mobile payments
- The Exception Magazine
- Peppercoin
- Ripple payment network
- Ripple (payment protocol)
- Ripple Labs
- BitPass
- List_of_HTTP_status_codes#4xx_Client_errors
- OpenCrowd
- MZ (company)
