The power of distribution:YouTube megastar David Dobrik sold 17k+puzzles ($30 a pop) in a few hours. How? The first person to put the puzzle together and take a photo wins $100k. Dobrik, meanwhile, nets millions.
I'm guessing that once you finish the puzzle, the QR code takes you to a website and that is your proof of finishing. Without the completed puzzle, it won't produce an exact QR code with the exact link.
I'm guessing that is what the puzzle is based on the pictures. And therefore extremely difficult to do.
There is always someone new who milks stupid cows. Lottery tickets are appealing to dummies who have nothing but hope.