Iris scans were being traded already: https://www.web3isgoinggreat.com/single/sam-altmans-worldcoin-project-incentivizes-a-black-market-for-biometric-data-taken

Iris scans were being traded already: https://www.web3isgoinggreat.com/single/sam-altmans-worldcoin-project-incentivizes-a-black-market-for-biometric-data-taken-from-people-in-developing-nations https://www.web3isgoinggreat.com/single/sam-altmans-worldcoi... And I speculated on the possibility of Iris generation a while ago, the research is fairly solid - you just need to fool the device into thinking it’s scanning a human eye instead of a display.