Altman's World venture wants to convince people to scan their eyeballs to prove they're human amidst a proliferation of AIs and bots.

Onstage, Sam Altman and co-founder Alex Blania announced that the cryptocurrency Worldcoin is coming to the US for the first time, along with a bevy of orbs. The idea is straight out of science fiction. It may be too far-fetched to work, but given Altman’s involvement, it’s something worth paying attention to.

Tools for Humanity, the startup behind the World human verification project, unveiled a mobile verification device and expanded to the US.