#This Bitcoin Wallet is as small as a credit card, but with an unbreakable metal construction
“This Bitcoin Wallet is as small as a credit card, but with an unbreakable metal construction” It comes complete with a QR code for easy transfers, an unbreakable design that’s water and fireproof, and due to its analog nature, it’s virtually hack-proof too. Meet Material Bitcoin, a physical card that acts as your crypto address….