What would happen if Tennessee had its own currency called the Tennessee dollar?

Tennessee separating from the US. Yikes, look at all those borders you would need to defend. I doubt it would work.
The idea of Dolly Parton's melons on a bill would be fun though, maybe AI can help design that.

Get Ten and you’ll a-see!

Dolly and boobs on one side with The Grand Ole Opry on the other, and it would come in a glass mason jar of 100 proof moonshine. Gotta listen to country music and drink to get to the money like a worm in a Tequila bottle.