Edward Snowden Slams Sam Altman's Worldcoin: 'Don't Catalogue Eyeballs'
> Fraud-resistance: The iris is difficult to physically modify and the biometric capture can be made hard to spoof.<p>I'm very doubtful about this. This process is either completely centralized (which means privacy is at risk), or not going to work properly.<p>My experience has been: the more you think about the Sybil problem, the harder it becomes.