Blockchain: Swytch - Incentivizing Green Energy, Proof of Production

17 Sep 2018


      https://www.youtube.com/watch?v=wrdQm7ZQ02s
https://www.youtube.com/watch?v=sE4Kn0zQpC0
https://www.youtube.com/watch?v=uSQAnr4r7XA

grarpamp