oh, you are a programmer that's really cool :)
I discovered Bitcoin at 2013 but I was really stupid these old days because I was thinking that bitcoin is a golden coin and there are machines making it, then in 2016 I realized everything about bitcoin and cryptos, at least I know all these info at the golden age of cryptos because next years not everyone can by cryptos especially the high-value cryptos as Steem in the future lol