WhatsApp is where you talk. kwataverse is where you get paid.
Show the code
https://kwataverse.com/p/naddr1qqyrgcnpvejkvwpkqgsfey9ummswmh2weqkdzp368002st2hw6vl6sl5jell7v9jlu05qxqrqsqqqakzruvgwh
Point a camera at it. A neighbour across a stall can too.