Coke’s on the blockchain now

A hardware hacker from Brasil has developed an automated vending machine that delivers Coca-Cola in exchange for Bitcoin. But don’t get your hopes up, it’ll probably be a while before we see these in the wild. The dev used a handful of off-the-shelf materials like a Raspberry Pi, water pump, touch screen, some wood, and of course some programming know-how, to build the machine. Here’s how the Bitcoin-vending machine works: From the video, it appears that the customer scans a Q