Need to generate QR codes for offline keys on Ubuntu / Debian?
$ sudo apt-get install qrencode
$ qrencode -o QRImage.png “priv_key…”
CoinkiteAPI Open Source: “Python Code for Offline Transaction Signing (P2SH, M-of-15 multisig)” buff.ly/11StfdE #bitcoin #dev #oss
@Jeremy_DeGroot @flyosity Shhhhhh stop giving away the secrets of the trade!
@flyosity As savvy shoppers add SCA discounts to their purchase strategy, retailers will have to respond by becoming more sophisticated.