[Roger Ver] attempted to use a QR code containing a private key to give away some cryptocurrency on TV, but the code was blurred out by the broadcaster. Not ones to give up easily, [Michael] and ...

These words comprise what is known as your private key. When entered into a bitcoin wallet device or software platform, a unique address is created which allows you to receive bitcoin and custody ...

Passport makes it possible to self custody your bitcoin on a cold-storage device; this way, your private key is kept on a device that never makes a connection to the internet. Through the use of QR ...