[Justsignedup]

nevertheless, I can hit my local CVS and pay with my $100. They will just check the security strip. Easy peasy.

[ejr]

This is a key point. Detection by human is fairly limited as they only use their own, easily fooled, eyes and a detection pen, which can be fooled if starch-free paper was used by the counterfeiter [1]

[1] https://en.wikipedia.org/wiki/Counterfeit_banknote_detection...

[iancarroll]

I think the point was that these bills have said security strip.

[maaku]

Which was the GP's point as well.