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.

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

Sam Altman’s project that aims to scan the irises of every single person on Earth in exchange for cryptocurrency has made its debut in the U.S., even as concerns around biometric data collection and processing remain.