Welcome to EthCC 2025! The city of Cannes proudly presents a gamified discovery path to showcase our crypto-friendly destination. This POAP from the welcome desk is your first step on this journey. Collect it to begin exploring our city's landmarks and create a lasting digital souvenir of your experience.

You witnessed a landmark conversation between Tim Berners-Lee, inventor of the World Wide Web, and Vitalik Buterin, creator of Ethereum, at ETHPrague conference 2025!

The ETHPrague Conference unites builders, thinkers, and visionaries to reaffirm blockchain's foundational ideals: decentralization, trustless collaboration, and open-access innovation. In an era of accelerating complexity, we return to cryptographic primitives, consensus mechanisms, and protocol-layer integrity — not as ends in themselves, but as tools to rearchitect societal systems for fairness, resilience, and sustainability. Together, we confront existential challenges — from centralized AI governance to climate instability. ETHPrague's mission is to steward community culture towards opening ourselves to outside criticism and facing crucial reality checks on what we build towards. The future remains unwritten. By grounding progress in Ethereum's bedrock principles, we choose neither dystopia nor utopia, but a protocol-powered realism — one where technology serves humanity's deepest needs, not its shallowest wants. This POAP was given to attendees of ETHPrague, held over 27 - 29 May 2025.

For the third time, we are happy to welcome blockchain professionals, researchers, and enthusiasts to Zürich, the heart of Switzerland, which has earned a reputation as a leading hub for blockchain innovation. Join us at the University of Zurich to learn, connect, explore, and engage with the vibrant and passionate Swiss blockchain community.

Devcon is the Ethereum conference for developers, thinkers, and makers. Devcon's mission is to bring decentralized protocols, tools, and culture to the people and make Ethereum more accessible around the world. Devcon is a four-day event, all in one big venue. You'll meet everyone in that one place. Devcon Week will span the entire week of November 9-17, with events before and after Devcon, organized by the local and global Ethereum community.

You attended Datapalooza[2] in Bangkok, hosted by The Graph. You joined a full day of talks, panels and workshops by developers, researchers and experts exploring data infrastructure and data needs across web3. The Graph is the indexing and query layer of web3. Developers build and publish open APIs, called subgraphs, that applications can query using GraphQL. The Graph currently supports indexing data from 70+ different networks including Ethereum, Solana, Polygon, Arbitrum, Optimism, Base, ZkSync, Polygon, Avalanche, BNB Chain, and many more. Visit thegraph.com to learn what's next for the indexing and query layer of web3.

Thank you for joining DCxPrague 2023! DCxPrague is a free satellite event to EF Devconnect Istanbul which serves as a complementary co-working & symposium location for the Ethereum developers & community members who won't make it to Istanbul. 15.-21.11.2023, Prague