a16z Podcast
a16z Podcast

Alex Blania on Proof of Human and Building World's Identity Network

Apr 02, 2026 · 42m

<p>a16z's Ben Horowitz and Erik Torenberg speak with Alex Blania, cofounder and CEO of Tools for Humanity, World, and cofounder of Merge Labs. World is building the largest real human network, a proof-of-human layer for the AI era. They cover the technical challenge of proving human uniqueness at scale using iris biometrics, the privacy architecture behind World ID, and why platforms from social networks to dating apps to video conferencing will soon require proof of human verification.</p> <p> </p> <p>Resources:</p> …

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