Cash still rules, it requires no electricity, you have to physically take it away from me compared to exploiting a bug in some system.

Bitcoin is not bad, but it's still in the hands of a few privileged people, who control the source code. Privacy only truly happens if you leave out middle man, like Coinbase. Now, managing bitcion 100% yourself is a pain that the general public simply won't do. Yes, you can do it, but you will find yourself at the edge of a long tail.

It's fun to see how the most expensive social experiment will unfold.