ZapChain defunct

nCrypt defunct

BitInstant defunct

BitPass defunct

Cybersource

cybersource.com

Payworks is the provider of a next generation Point of Sale payment gateway technology. Developers of Point of Sale solutions for merchants can quickly and cost-efficiently integrate card payment functionality into their applications, and securely process EMV, contactless and mobile wallet transactions at the Point of Sale. With headquarters in Germany and offices in the UK, the US and Poland, Payworks provides its technology to leading acquirers and payment providers globally.

DigiCash defunct

Eps

Pumpkin Pay defunct

Smyte defunct

smyte.com

Tandem Payments defunct

Tez