World Offers 2-for-1 Concert Tickets in Exchange for Retinal Scans, Partnering with Jared Leto and Sam Altman

World (formerly Worldcoin), the biometric authentication company co-founded by Sam Altman, is partnering with Jared Leto's band Thirty Seconds to Mars to offer 2-for-1 concert tickets to fans who verify their humanity by submitting to retinal scans. The promotion is framed as a s