This is great. Planet Money mentioned how it was/could be used in prison: https://www.npr.org/sections/money/2017/02/10/514577243/episode-753-blockchain-gang ht

This is great. Planet Money mentioned how it was/could be used in prison: https://www.npr.org/sections/money/2017/02/10/514577243/episode-753-blockchain-gang https://www.npr.org/sections/money/2017/02/10/514577243/epis...