"Companies could pay Worldcoin to use its digital identity system, for example if a coffee shop wants to give everyone one free coffee, then Worldcoin's technology could be used to ensure that people do not claim more than one coffee without the shop needing to gather personal data, Macieira said."

This is so silly. Reminds me of the arguments about needing Web 3 for property conveyancing. Would unravel with the simplest questions.