Sam Altman's eye-scanning orbs have arrived, sparking curiosity and fear

Sam’s iris harvesting plan will continue as long as the incentive, worldcoin, holds value.<p>There were coins printed out of nothing by a guy called Sam backing an enterprise last time too.

I don&#x27;t understand how this works.<p>If they aren&#x27;t storing the iris scans, then how can this be used to login with your iris scan?