- Biometric ticketing uses iris-scanning 'orbs' to verify human identity and block automated ticket-buying bots. - Tools for Humanity's 'Concert Kit' successfully blocked 100,000+ bot requests at a test event. - Thirty Seconds to Mars will implement this for their 2027 European tour to ensure fair access. - The system creates a 'proof of human' credential, which is platform-agnostic. - Critics raise significant privacy concerns regarding the collection of biological data for event access. - The technology represents an escalating arms race between bot developers and security providers. - Users must weigh the convenience of guaranteed ticket access against the long-term privacy implications of biometric databases.