Here’s a cool way to bring a physical presence to your Bitcoins: a custom CNC milled QR code Bitcoin address! [ch00f], one of our occasional writers here at Hack a Day, has just finished this… ...

Aluminum Bitcoin Keychain December 16, 2013 by James Hobson 55 Comments Here’s a cool way to bring a physical presence to your Bitcoins: a custom CNC milled QR code Bitcoin address!