Barton Town excepts both, leogh and synth. Thus the need to exchange currency.

Currency Exchange is a shop in which you can change your Republic Leoghs into Imperial Synthes, or vise versa. It is an illegal operation so no one knows who really runs the shop (I will, however, run the shop.)

It is not free to do such an illegal act. You must pay 10% of the total about of money you exchange, to the shop.