He said: "Of the $53 billion in expenses we'll have next year, $5 [billion] will be to move coin, currency, and checks around the system."<p>Source at 1:41 [Video]: https://www.bloomberg.com/news/videos/2017-12-21/bofa-ceo-on-bitcoin-is-anonymous-currency-wanted-video
I knew a guy who was a pilot. His job was, literally, to fly checks around the country. A plane full of checks is a lot of money - enough money that a day's interest on it is more than the cost of using the plane to fly checks.<p>But this was maybe 10 years ago. At the time he said that his job was going to go away in a year or two because the banks were going to electronic settlement.