For some time now, a phenomenon has been appearing in squares and public places in Argentina and other Latin American cities: long lines of people waiting to have their iris scanned with a silver-colored sphere on a tripod. This is the Worldcoin project, an initiative by Sam Altman, the owner of OpenAI, the company that developed ChatGPT, which offers money (cryptocurrencies or dollars) in exchange for allowing your eye to be scanned.