International credit cards.
VISA credit card is a credit card jointly issued by the card-issuing bank and VISA International Organization. This credit card can be used at VISA authorized merchants worldwide. The credit card has the VISA international logo on it. VISA credit card is a type of international credit card, and its payment intermediary is the international VISA organization (like China's UnionPay). Because the only payment provider for the Olympic Games is VISA, you can only pay for tickets and purchases at Olympic venues through VISA credit cards.