WhatsApp is where you talk. kwataverse is where you get paid.
Show the code
https://kwataverse.com/p/naddr1qqgkwctjwf5j66t2v4382ttsv95kuaqzyz7w7p0vqf9vfmwwgphcww3spr0g8em7uaym4rs92pzxgpjsu07fxqcyqqq8dss5lqtkv
Point a camera at it. A neighbour across a stall can too.