Were you one of those people trying to capture the QR code floating on your TV during the 60 second Super Bowl ad? You would have caught us chasing it around with our phone — unsuccessfully as it turned out.

So many people did manage to snag the QR code that it crashed the Coinbase site, a cryptocurrency exchange, where people can buy and sell the virtual currency. If you had ‘caught’ the QR code it led to a promotion for $15 worth of free Bitcoin for signing up.