Proof of Humanity
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About This Episode
Emmett Childs from Kleros joins Narb on DevNTell to present an overview of 'Proof of Humanity,' a decentralized identity and Sybil-resistance system. The discussion covers the project's core mechanisms, including the request-challenger model for profile verification, the use of Kleros for dispute resolution, and the economic incentives that prevent system griefing. Emmett also previews the upcoming version 2, which introduces soulbound IDs and multi-chain expansion, and shares how users can participate in the ecosystem through crowdfunding campaigns and DAO integrations.
Key Takeaways
Proof of Humanity is a curated, Sybil-resistant list of humans on the blockchain, validated through video submissions and a community-driven challenge model.
The system relies on Kleros, a decentralized arbitration protocol, to resolve disputes when a profile submission is challenged as fake, duplicate, or non-compliant.
Economic incentives, such as deposits for submissions and challenges, ensure participants have 'skin in the game' to maintain the registry's integrity.
Use cases for Proof of Humanity include fair distribution of Universal Basic Income (UBI), 'one person, one vote' governance in DAOs, and Sybil-resistant airdrops or quadratic funding bonuses (e.g., Gitcoin Passport).
Proof of Humanity v2 aims to introduce Soulbound IDs for identity recovery and expand functionality across multiple blockchain networks like Gnosis Chain.
Featured Guest
Emmett Childs
Lead of Developer Relations @ Kleros
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