Totally true. That said, to deposit 10k of cash in a bank you need to fill out some forms. I also don't have a great way to send you say 100k in cash. Suitcas

Totally true. That said, to deposit 10k of cash in a bank you need to fill out some forms. I also don't have a great way to send you say 100k in cash. Suitcase full of dollars? But I can send you 2 BTC much easier. The big hole in demanding giant ransoms was always taking delivery of the suitcase full of money. Not so hard to do with digital currency.