The Opportunity Costs of Bitcoin

Wu: "I think most of mie ar opportunity costs. I can look many, many things, and realized the opportunity cost that i faced" Wu was making fun of a bit coin being on the front paage of hacker news all the time. It broke up from seven bucks and never came back; it's now worth zero to day. He says crypto didn't click with him until am ethereum with smart contracts and code on a block chain.