Originally Posted by A321neo

With boarding passes, y’all are missing the biggest part — the barcode. From the barcode you can glean the SkyMiles number. Thus, that has to be removed or scrambled.

why a BP is useful for reimbursement is another story. You could SDC or change the ticket five million ways after checkin and submit the original Bp and old receipt for reimbursement. This is all a hoax.