Aztec is a fully decentralized, privacy-preserving L2 on Ethereum. Developers write smart contracts using our popular Noir programming language, making it easy to seamlessly integrate public and private state.

This POAP was given to those attending Devconnect 2025. POW! is a Fully onchain clicker game on Starknet with a UX as smooth as web2.

This POAP was given to the privacy-aware attendees at the Ethereum World Fair 2025 that tested completely private, self-sovereign AI that anyone can run at home at the Dappnode booth

This POAP was given to people who followed at least 10 other users onchain with Ethereum Follow Protocol (EFP) then visited the EFP booth in the Ethereum World's Fair at Devconnect in Argentina November 2025.

This POAP was given to visitors of the GainForest.Earth booth at the Ethereum World’s Fair, Devconnect Argentina 2025. GainForest decentralizes nature finance and research. Together with Indigenous and local communities, we co-create open infrastructure to protect forests, climate, and biodiversity. By collecting this POAP, you become part of our mission to build transparent and regenerative systems for nature.

This POAP was given to visitors of the Nethermind booth at the Ethereum World’s Fair during Devconnect 2025. It celebrates the builders and researchers exploring how Nethermind engineers the foundations of blockchain: from the Ethereum client to AI-driven security and privacy-preserving identity.

You proved your way through the ZKPassport Private ID Proof Quest! This POAP was given to visitors of the ZKPassport Booth at the Ethereum Worlds Fair, Devconnect Argentina 2025, celebrating your mastery of privacy-preserving identity. By solving riddles and picking the right proof types, you discovered how zero-knowledge tech enables private ID verification without exposing your personal data.

Your kawaiiii proof of self-sovereignty from the Ethereum World Fair! Earned by claiming your private encrypted storage & secret floppy disk on ddocs.new 💛

Connect with other builders, talk to teams looking for talent, meet your users, or showcase your app at the Ethereum World’s Fair. Explore what Ethereum is for and what it enables, test applications, and win in some fun challenges.