Founded in 2007, Rixty is currently the leading cash-based payment system for online entertainment in the United States.

FORBES: Connect

Political pressure has already led credit-card firms and PayPal, an online payment system, to stop customers transferring cash for online wagers.

ECONOMIST: Texas hold-em

The third thing you need is a payment system, a mechanism to make payments, either through Smart Cards or pre-paid cash cards.

CNN: ASIANOW - TIME Asia | Conversations: 'I Want to Make a Difference'