We've seen a lot of 3D printed jewelry lately, from rings, to watches, to necklaces and bracelets. Now, one company is taking things a step further, using 3D printed necklaces to display a QR code for bitcoin wallets. No long do you need to walk around with a long complicated bitcoin address written out in your wallet. Now you can wear a beautiful necklace that features a qr code that can be read by a smartphone and know exactly what your bitcoin wallet number is. Read and see more at http://3dprint.com/65360/3d-printed-bitcoin-wallet/