As the Mastercard blockchain is designed for commercial processing speed, the company said it can scale further than many others, and with the blockchain integrated into the company's 22,000 financial institution-strong payment network, users can move transactions quite far via the Mastercard network. Beyond card transactions, the application programming interfaces (APIs) can be used for payments, supply chain, and trade finance operations. Sota expects developers to also toy with non-payment transactions like proof of purchase or authenticity.

http://www.zdnet.com/article/mastercard-opens-access-to-its-blockchain-tech/