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.

This POAP confirms that you were a Hacker at ETHGlobal Buenos Aires 2025 which took place as part of Devconnect ARG and marked ETHGlobal’s long awaited return to Argentina! 🇦🇷 This event saw a remarkably experienced set of 1,195 hackers and 1,766 overall attendees build 475 projects in just one short weekend. Thank you so much for joining and being a part of what makes each event so special.

You attended the Nouns Fair! See you at the next edition; in the meantime, keep building! Stay Nounish ⌐◨-◨

Thank you for stopping by our booth at the Ethereum World’s Fair, Devconnect ARG.

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.

Marvelous Tacos in a marvelous city. Does Rio deliver?