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Devconnect Buenos Aires wrapped up as the largest Ethereum Foundation event yet, bringing together a global mix of developers, founders, creators, and curious newcomers.
Key numbers from the week
14,000+ attendeesfrom 130+ countries45% from Argentina53% first-time EF event attendees1,000+ visas issued in collaboration with Argentina’s Dirección Nacional de Migraciones80+ application exhibitors40+ deep-dive events15 Community Hubs200 volunteers500+ community-run side events across the city
📸 Find the Devconnect photo gallery here.📋 Share your feedback with us and fill out the survey.
🎡 A World’s Fair for Ethereum with La Rural as the Schellingpoint
For the first time, Devconnect introduced a World’s Fair-style experience, anchored entirely within La Rural, one of Buenos Aires’ most iconic venues, where everything was brought together into a single, immersive environment.
Inside La Rural, attendees could explore:
8 themed districts: DeFi, Privacy, L2s, Decentralized Social, Hardware & Wallets, AI, Gaming, and Art80+ exhibiting teams showing real, working Ethereum applications15 Community Hubs organized by ecosystem groups40 events run by independent teamsDiscussion corners, coworking zones, and bookable meeting roomsOnboarding stations for newcomersFood trucks accepting crypto paymentsLive music, a cinema, and a soccer pitch with tournaments
It turned Ethereum into something you could walk through. People tested applications, played onchain games, tried new wallets, paid with crypto for food and drinks, explored AI workflows, and met the teams building on Ethereum today.
📲 The Devconnect App: the guide to the World’s Fair
The entire experience was supported by the Devconnect App, which helped attendees navigate the massive venue, view programming, build personal schedules, pay with crypto via the integrated wallet or add their own, complete quests, discover new applications, and collect POAPs on the way. We collaborated with multiple web3 projects integrated into the app: Para, SimpleFi, POAP, WalletConnect, Base, Zapper, Zupass, AT Protocol, Peanut, and ENS.
App stats
9,000+ logged-in users16,000 POAPs minted14,000 World’s Fair quests completedCrypto payment activity through SimpleFi
📣 Ecosystem announcements and talk highlights
Devconnect featured major updates from across the ecosystem, with many teams choosing this time of the year as the place to announce new initiatives.
Key announcements
Yoav Weiss (EF Account Abstraction) introduced the Ethereum Interop Layer (EIL), designed to make Ethereum feel like one chain again without compromising decentralization.Vitalik and EF teams announced Kohaku, the new security- and privacy-focused wallet stack.Aave launched the new Aave App, a refreshed and unified interface for the protocol.Gnosis announced the new Gnosis App.wARS, a new Argentine peso–pegged stablecoin, launched on Ethereum, Base, and World Chain.1inch Aqua launched, introducing a product to defragment liquidity for market makers.Devcon 8 location announced: Mumbai, India, Q4 2026.And many more…
Notable speakers and talks to (re)watch
And many more across the Community Hubs, the 40 events inside La Rural, and multiple side events. 👉 Check back regularly on the Ethereum Foundation YouTube account for additional talk recordings.
🇦🇷 Local energy and impact
Many visitors fell in love with Buenos Aires, with the spring vibe and lively streets, the mate culture, asados and steak, ice cream, the football energy, street art, and the surrounding nature. Some even stayed well beyond Devconnect.
Buenos Aires was the perfect location for the first Ethereum World’s Fair, with Argentina being one of the most active crypto markets in the world, with about 20% owning crypto, using it for savings, hedging against inflation, access to lending, and stability. Across the city, many vendors accept crypto for payments, and this familiarity made Devconnect feel at the right place at the right time.
Devconnect itself was also shaped by the contributions of the local and regional Ethereum communities:
☀️ ETHCon Buenos Aires
ETHCon was one of the major Devconnect events and was organized by the local communities SEED Latam, Crecimiento, Ethereum Argentina, ETH Kipu, Mujeres en Cripto, and multiple regional partners.
4,000+ attendees60+ speakers, including Vitalik, Santiago Palladino, city and Ministry of Education representatives, and leading companies like Mercado Libre, YPF, and FiservTalks and panels exploring Ethereum’s impact across finance, gaming, AI, art, education, and public infrastructure
🦙 Destino Devconnect
Beginning in April 2025, we supported local initiatives through Destino Devconnect, a grants round designed to accelerate regional adoption ahead of Devconnect.
Results:
100+ supported events14 participating countries across LATAM
🎓 Universities and students
Devconnect included one of the largest student and academic components in EF event history.
3,000+ local school students attended via a partnership with the Ministry of Education45+ universities were involved8 university-led sessions happened throughout the week at La Rural
Devconnect is built on community contributions:
200 volunteers helped make the entire week possible, coming from 40 countries, with 30% joining us from African regions including Nigeria, Kenya and Ghana.15 Community Hubs created thematic home bases for different groupsDIP contributors created a diverse range of activations for the eventEcosystem teams hosted 40 events inside La Rural and 500+ side events across Buenos Aires: hackathons, workshops, meetups, hacker houses, parties, and more
🙏 Thank you to our Supporters
The Ethereum World’s Fair would not have been possible without the teams who contributed resources, expertise, and support:
Arbitrum, Base, World, 1inch, Celo, Espresso, Aztec, Gnosis, Aave, Ambire, Bitget, Fx Protocol, Gensyn, RISE, Status, Barter, Cowswap, Eliza, ENS, Kleros, Ledger, Lemon, Nethermind, Obol, Octant, Offramp, Unforgettable, Starkware, Tally, Uphold, Ethereum Follow Protocol, Wonderland, Morpho, Belo, Mimic, DeFi Saver, Exa App, Gitcoin, The Graph, Pond, Ronin/Axie Infinity, ZYFAI, Oxbow, Beam, Boulder, Burner, chro. ar, Daimo Pay, Dappnode, DiPe, Farcaster, Fileverse, Fluidly, Franklin, Freedom Factory (ethOS), Gainforest, Hats Protocol, Human.tech, IDRISS, Noice, Nouns, Peanut, Pistachio, Precog Market, R3alblocks, Radicle/DRIP, Railgun, Replicats, Ripio, Rotki, Santiment, Seer, Virtuals, XMTP, ZK Passport, ZKEmail, ZKP2P.
🇮🇳 What’s next: Devcon 8
With Devconnect Buenos Aires wrapped, the next major community event organized by the Ethereum Foundation is Devcon 8, taking place in Mumbai, India, in Q4 2026.
Subscribe to the newsletter and follow us on X, Instagram, or Farcaster to stay up to date with Devcon news and be the first to know when early-bird tickets become available.
Want to contribute to Devcon 8 in India?
If you work in events, are part of the local Ethereum community, have relevant local connections, or can refer great talent, fill out this form.
Until next time,
Devconnect Team
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