I’ve been writing about Bitcoin and blockchain for a while now. Sometimes as a curious onlooker, other times with the conviction of someone who believes this technology is going to change our world. But it wasn’t a whitepaper or a chart or a tech founder’s interview that truly moved me. It was a conversation about cashews. A friend of mine is in the global cashew trade. He buys raw cashews from farmers in West Africa and supplies them to processing units around the world. We were catching up ...