Here’s a cool way to bring a physical presence to your Bitcoins: a custom CNC milled QR code Bitcoin address! He then took his shiny new Bitcoin address and created a QR code from it using an ...

Perfect for weddings, events, or that holiday card with a Spotify playlist This article explains how to use custom QR code generators to make your own barcode on a smartphone, tablet, or computer. How ...

Here’s the idea: you attach a QR code to your key ring that, when scanned, opens a texting window with “I found your keys!” set to send to the key owner’s phone. When I saw the instructions for this ...