But that's almost definitely true, and every bank in the world loses millions of whatever currency they hold every year to fraud. The primary difference is tha

But that's almost definitely true, and every bank in the world loses millions of whatever currency they hold every year to fraud. The primary difference is that banks are encouraged to cooperate to recover these. In the blockchain world, it's incredibly difficult to recover losses and people suggest "no-takesies-backsies" is an ethical method of doing business while wracked by fraud.