Enhanced security instant tickets via homogeneous utilization of display/overprint/backing and variable indicia

A method for generating a security-enhanced document comprising a substrate, variable indicia comprising ink having a signal, at least one other printed portion comprising ink having background noise, a release coat and a scratch-off-coating layer applied over the variable indicia, the scratch-off-coating layer maintaining the variable indicia unreadable until the scratch-off-coating layer is removed by being scratched off, the method comprising:

• printing on the substrate the variable indicia comprising the ink having the signal, wherein the ink is a specific type of ink that is printed on the substrate using a specific application technique, and
• printing on at least one other portion of the document the ink having the background noise, wherein the type of ink printed on the at least one other portion of the document is the same type of ink applied to the substrate using the same application technique as the variable indicia,
• wherein the variable indicia and the at least one other printed portion being of the same type of ink applied to the substrate using the same application technique results in a document having a signal-to-noise ratio of the ink of the variable indicia relative to the background ink noise of the at least one other printed portion that is not appreciable, thereby making the variable indicia unreadable with reference to the at least one other printed portion when the scratch-off-coating layer remains intact, and
• wherein the at least one other printed portion is (i) a display area and at least one decorative portion of an overprint area, or (ii) the at least one decorative portion of an overprint area, and
• wherein the overprint area is an area over the release coat and the scratch-off coating layer.