In a new video, MasterCard president for South East Asia Matthew Driver indicates that his company is "not completely comfortable" with bitcoin.
MasterCard has spoken out against bitcoin's perceived risks and called for a regulatory "level playing field" for payments systems including bitcoin.
Trucoin has officially opened its bitcoin buying service to US consumers in eight states.
A newly-surfaced patent filing from MasterCard seeks to incorporate bitcoin as a payment method.
Stephen Pair told CNBC that his company believes traditional payments giants will soon have to implement bitcoin.
UK-based bitcoin buying service Bittylicious says the service will be initially limited to transactions in euros.
With the US targeting credit card accounts in Russia, payments networks have become weapons in the hands of politicians.
Xapo claims its card is the first to allow bitcoin users similar spending freedoms to traditional debit cards.
Leading Brazilian digital currency exchange BitInvest has launched the Coincard, a bitcoin friendly pre-paid MasterCard.
The crisis in the Ukraine highlights governments' use payment systems as weapons of war.
The new program will allow customers to send money to debit and select credit cards issued internationally.