Mackerel Is Money in a Prison Economy: NPR Story on Charlie Shrem - ValueWalk

Mackerel Is Money in a Prison Economy: NPR Story on Charlie Shrem - ValueWalk

Mackerel Is Money in a Prison Economy: NPR Story on Charlie Shrem ValueWalk He had nothing but time on his hands, and it was late at night when he began to think through the source of value of money of all sorts, and how the payment system of mackerel cans might be made more efficient through blockchain technology. Yes, seriously.