In this episode of the web3 with a16z podcast, Sonal hosts Eddy Lazzarin, Adrian Ludwig, and Remco Bloemen to discuss the increasing need for proof of humanness online amidst the rise of AI agents, bots, and deep fakes. The discussion covers the challenges of distinguishing between real humans and AI, the potential dangers of online manipulation, and the importance of maintaining trust in online interactions. They explore how technology can be used to verify human uniqueness and influence, focusing on privacy-preserving methods and the decentralization of identity verification. The speakers also address common misconceptions about proof of human systems, the role of blockchains, and the economic sustainability of networks that support human identity verification. They highlight Worldcoin's approach, which includes a privacy-focused system using iris scanning and zero-knowledge proofs to create a network of verified humans, enabling new applications and use cases while minimizing data collection and maximizing user control.