Bitcoin and Digital Currency for World Peace
https://www.youtube.com/watch?v=wKlmytR1_KA
http://tinyurl.com/DrFetzerShaddockBitcoin
Sent Dr. Fetzer $10 of Bitcoin May 2017 at $2500/BTC  $61000 in 2021 up 24 times
BTC was $240 in 2014 when I bought mining machines