WhatsApp is where you talk. kwataverse is where you get paid.
Show the code
https://kwataverse.com/p/naddr1qqyrxvrzvgunjwpjqgsrnelufq88dkajxjvg69l52sd7pyq503mngpzjp9k7hg8t9zmtxwcrqsqqqakzegrf8r
Point a camera at it. A neighbour across a stall can too.