In an embodiment, a note for use as currency is provided. The note includes a base material having a first surface and a second surface opposite first surface. The note further includes identifying indicators printed on the first surface and the second surface providing an indication of a type and value of the note. The note also includes a first unique identifier printed on the note and a second unique identifier on the note. The note further includes a removable cover applied over the second unique identifier on one of the first surface and the second surface of the note. The note also includes an opaque backing applied over the second identifier on the note, the opaque backing applied to a surface of the note opposite the surface of the removable cover.