Sam Altman’s Worldcoin launches its cryptocurrency that it gives in exchange for users’ eye scans, says it has 100K users globally and is valued at $1B (Ryan Browne/CNBC)

Ryan Browne / CNBC:
Sam Altman’s Worldcoin launches its cryptocurrency that it gives in exchange for users’ eye scans, says it has 100K users globally and is valued at $1B  —  – Tech millionaire Sam Altman’s new start-up Worldcoin uses orb-shaped devices to scan people’s eyes in exchange for free cryptocurrency.