> Could a stack of greenbacks ever be "blacklisted" Yes. Bill counters at banks capture serial numbers and associate them with your account when you make a cas

> Could a stack of greenbacks ever be "blacklisted" Yes. Bill counters at banks capture serial numbers and associate them with your account when you make a cash deposit. Each night the serials are sent to a MCP database where they are checked against a hotlist entered by law enforcement across the country. The bank won't reject the bills on the spot, but depositing too many of the wrong ones will earn you a visit.