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 badge confirms your attendance and our meeting at DevConnect Buenos Aires 2025. You're now part of the LEDGER ecosystem and ready to secure your digital assets with the most secured hardware wallet.

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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.

Argentina Onchain POAP acknowledges assistance for a 2-week residency at Edge City Patagonia (San Martín de los Andes) dedicated to exploring practical onchain solutions for real-world problems in Argentina’s private, public, and third sectors.

​We open the doors to Aleph Festival, a single point of convergence for the entire builder universe. Over three months, it will host Latam’s biggest Hackathon, a 6-week Buildathon Season, and the Startup World Cup competition, alongside Regulation Day and technical summits on AI, DeFi, and more. ​Argentina has been building with crypto for decades, becoming a global reference for resilience, creativity, and real-world adoption. As the world turns its eyes to Buenos Aires for Devconnect, Aleph Festival is the step that prepares us to truly Bring Argentina Onchain.

This POAP certifies your participation in the Privacy Summit — a full-day event dedicated to shaping the future of privacy in Web3. A gathering of builders, researchers, and advocates exploring the technologies, ethics, and narratives behind a more private internet.