The cobbler’s children have no shoes. Experts tend not to tend to things at home.
“Errant Charges at Coinbase,” The Wall Street Journal, February 17, 2018 B9. A bitcoin firm ended up charging its customers multiple times (as many as 50!) for the same transactions. Blames its vendors.
Let me see. You can’t work out your own electronic invoicing and you want to store our digital currency? We should trust you why, exactly?
Wouldn’t you think you’d keep a close eye on the processes by which customers are charged and you are paid?