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The a16z Show

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

The a16z Show

a16z

Culture, Business, Science, Disruption, Technology, Software Eating The World, Entrepreneurship, Innovation

4.21.2K Ratings

🗓️ 2 April 2026

⏱️ 42 minutes

🧾️ Download transcript

Summary

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.

Transcript

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0:00.0

How do you prove somebody is human?

0:03.0

It is a surprisingly hard problem.

0:05.0

I think that people are going to start getting accused of being bots.

0:09.0

What we currently see is less than 1% of what it will look like in probably a year or two.

0:13.0

The idea that AGI will lead to some very fundamental shift seems obvious.

0:19.0

The AIs are really good at programming humans. Much better than humans are at programming AIs. Absolutely. And AI will be able to have a GitHub account and will be able to post. And also attest to five other AIs that these are in fact humans and even though they're not. Honestly, if you don't take it serious now, then I think you should get a different job or something. Those agents are very, very clever.

0:39.3

How do you prove you're real?

0:41.3

In 1950, Alan Turing proposed a test.

0:44.8

If a machine could fool a human into thinking it was also human, it had achieved intelligence.

0:50.8

For decades, that remained theoretical.

0:53.6

Today, AI agents run thousands of social media accounts at once,

0:57.0

outperform humans in controlled persuasion tests,

1:00.0

and generate hundreds of videos a day that audiences believe are real.

1:04.0

The Turing test didn't just get passed.

1:07.0

It got commoditized.

1:09.0

Every platform built on the assumption that its users are human

1:12.6

now faces a problem no one has solved.

1:15.6

Facial recognition fails at scale.

1:18.6

Government IDs weren't designed for a global internet.

1:21.6

I speak with Alex Bonja, co-founder and CEO at World,

1:25.6

which is building the largest real human network, a proof of human layer for the AI era, alongside A16Z co-founder and general partner Ben Horowitz.

1:38.8

Alex, welcome to the podcast. Great to have you. Thanks for having me.

...

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