[ayemiller]

The article suggests "micro-scratching" as a cheating technique. Wouldn't just completely scratching off and re-applying the scratch material be the easiest way to cheat?

[rtkwe]

Reapplying and matching the original tickets covering well enough is probably pretty hard to do and would probably require a larger investment into the materials and equipment.

[dalore]

Ones I see now have patterns in the material. But I guess if you scratched it off and replaced it without most customers won't notice.