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 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.

This POAP was given to Gnosis quest participants at Ethereum's World Fair.

Learn more about getting paid and our host country by visiting our booth and answering a trivia question.

This POAP was given to visitors of the Santiment booth held at the November 2025 Ethereum Worlds Fair in Argentina.

Este POAP es una prueba de tu visita al stand de Optimism Español, en el marco de Ethereum Argentina 2023. Gracias por acercarte a compartir con la comunidad e interesarte en el ecosistema de Optimism, para conocer más sobre nosotros visita el siguiente enlace. Optimism Español -> https://linktr.ee/optimismenesp ¡Mantente optimista! 🔴✨

Este POAP demuestra tu visita pasándola bien mientras aprendes de Gobernanza con todo el Team de SEED Latam en el marco de Ethereum Argentina 2023. ¡Gracias por tu visita! Te invitamos a saber más de nosotros en nuestras redes. Twitter: https://twitter.com/SEEDLatam Telegram: https://web.telegram.org/k/#@seed_latam Web: https://www.seedlatam.org/ ------------------------------------------------------- This POAP showcases your enjoyable visit while learning about Governance with the entire SEED Latam Team during Ethereum Argentina 2023. Thank you for your visit! We invite you to learn more about us on our social media platforms. Twitter: https://twitter.com/SEEDLatam Telegram: https://web.telegram.org/k/#@seed_latam Website: https://www.seedlatam.org/