https://tippin.me/@notgrubles

Bitcoin Educator, Developer and Entrepreneur. Book: https://amzn.to/2RSlnTb PGP Fingerprint: C1D7 97BE 7D10 5291 228C D70C FAA6 17E3 2679 E455

CTO at https://keys.casa. NOTE: I no longer publish on Medium; subscribe to my blog at https://blog.lopp.net

News and updates from the staff at Medium.