Industry WIKI

BTCPay Server is a free and open-source, self-hosted Bitcoin payment processor created in 2017 by Nicolas Dorier. The software allows merchants to accept bitcoin payments directly to their own wallets rather than through a centralized processor, and supports both on-chain Bitcoin and Lightning Network payments.

The Oyster card is a payment method for public transport in London and some surrounding areas. A standard Oyster card is a blue credit-card-sized stored-value contactless smart card. It is operated by Transport for London (TfL) and can be used as part of London's integrated transport network on travel modes including London Buses, London Underground, the Docklands Light Railway (DLR), Lo

Contactless smartcards are being progressively introduced as an alternative option to paper ticketing on the National Rail system of Great Britain. Tickets for use on National Rail services can be loaded onto any ITSO card.