CoinDesk reported:
Buterin argues first that scanning one’s iris could potentially release more information than intended. For instance, if someone else scans a World ID holder’s iris, they can run it against the Worldcoin database to determine – at the very least – whether that person is in the system. In addition, Buterin says World IDs won’t be readily accessible to everyone, since getting ahold of an “Orb” device can be difficult.