This allows Visa to make a small profit off of every altcoin transaction without taking the risk of directly investing in cryptocurrency. To add icing to the cake, even more revenue from altcoins might be right around the corner for Visa. A Singapore unicorn called TenX claims to have created a Visa card that can automatically convert cryptocurrencies; such as bitcoin and ethereum, into fiat currencies such as the US dollar. A TenX Youtube video shows Cofounder Paul Kitti using a digital wallet to pay for burgers at McDonalds with Dash (Darkcoin) a lesser altcoin.