Originally Posted by
jdrtravel
I have no idea , I'm just pointing out that, in general, TSA and airlines communicate. I do wonder though, if I buy a ticket, print a BP, and then cancel the ticket, will I still be allowed to enter TSA? Does it check if the ticket is valid? This would seem to be a pretty important security feature, otherwise it seems like it would be easy enough to create fake QR codes.
It doesn't check if the ticket is valid. However it supposedly does verify that the QR/bar code has a valid signature embedded in it for that day.