A QR code could be the private key of a bch wallet contain tokens. It could also be the URL of a page containing directions to claim the token in another way, like we're doing now.
Is this something you would like to leave in a cache, or pass out in person? Or is this sent digitally? I really like this idea of rewarding cachers!
Check out free.bitcoin.com to get some free bitcoin cash to play with here. The address to enter is in your account page. I also tipped you 1000 satoshi to get you started.