The workaround is that people start to place money on the banks again.
And why would they do that? Banks don't offer anything.Maybe if you implemented tracking and tents weren't 100% safe...
It's not my "fix" it's the only way to solve this issue ingame. But as nobody will do it anyway, you'll have to wait for the server wipe.
I don't care about the banks, but what's to stop someone turning off interest on all the banks, spawning a few billion caps and putting them in an account? With the intention of allowing everyone else to withdraw from that cash supply, that is. Without interest, I'm not sure how the problem could repeat itself.
But you guys did mention that without the interest rate players would soon start using the bank and it would be solved..
If you want to make enemies, try to change something.
Eventually it will. The speed at which it restores itself depends on how much is deposited. There is more cash on the server than could ever reasonably be spent - if all of it was deposited now the system would work again until the wipe.