THE BEAUTIFUL CITY OF BUENOS AIRES HOSTED THE FIRST ETHEREUM WORLD’S FAIR FROM NOVEMBER 17 to 22, 2025.
Over 14,000 attendees from 130+ countries gathered at the iconic La Rural in Palermo for a touch and feel experience on Ethereum.
The first Ethereum World’s Fair brought over 80 exhibiting teams across eight dedicated districts for DeFi, Privacy, L2s, Decentralized Social, Hardware & Wallets, AI, Gaming, and Art.
The whole event was supported by more than 200 volunteers. Over 40 events took place inside La Rural, while 500+ community-run events took place across the city.
14,000+Attendees
130+Countries
80+Exhibitors
40+Events
Devconnect ARG schedule
Sat
Nov 15
Sun
Nov 16
Mon Nov 17
Tue Nov 18
Wed Nov 19
Thu Nov 20
Fri Nov 21
Sat Nov 22
Sun
Nov 23
Staking Summit Buenos Aires 2025
Nov 15 — Nov 16
Staking Summit
Nov 15 — Nov 16
Hyperliquid Hackathon
Nov 15 — Nov 16, 07:00 to 07:00
Crecimiento Startup Worldcup
Nov 15 — Nov 16, 09:00 to 20:00
Invisible Garden Closing Ceremony
Nov 15, 15:00 to 20:59
Governance Day Devconnect BA 2025 (Day 1: Main)
Nov 15, 10:00 to 18:00
Global Ethereum Communities Meet LATAM
Nov 15, 09:30 to 11:00
Devconnect Warmup: Asado at The OpenZeppelin Castle
Nov 15, 17:00 to 21:00
Ethereum Cypherpunk Congress 2
Nov 16
Governance Day Devconnect BA 2025 (Day 2: Research Track)
Nov 16, 10:00 to 16:00
Scroll Ecosystem Day at Devconnect
Nov 16, 13:00 to 17:00
Uniswap Cup
Nov 16, 10:00 to 16:00
Wondercon
Nov 16, 14:00 to 20:00
Sunday Padel Club with Keyrock and Morpho
Nov 16, 16:30 to 20:30
Whitepaper Reading @ Staking Summit
Nov 16, 13:30 to 15:00
SheFi Summit Buenos Aires
Nov 16, 10:00 to 19:00
The Infra Layer | AI, DePIN & Staking Infra Builders Day | Devconnect 2025 🇦🇷
Nov 16, 11:00 to 15:00
Hyperliquid Forum
Nov 16, 11:00 to 15:00
R2 RWA & AI House Series: Buenos Aires
Nov 16, 12:00 to 16:00
Yield Innovation Summit
Nov 16, 07:00 to 15:30
Entity Onchain Legal Summit
Nov 16, 15:30 to 20:30
Onchain Creator House
Nov 16, 09:00 to 13:00
The Scaling Summit by 499 & The Mu & Kite AI & Hetu @Devconnect Argentina 2025
Nov 16, 11:00 to 18:00
Ethereum World's Fair & Coworking Space
Nov 17 — Nov 22
Devconnect Community Hubs
Nov 17 — Nov 22
Discussion Corners
Nov 17 — Nov 22
The Zama CoFHE Shop
Nov 17 — Nov 21, 07:30 to 20:30
Ethereum Day & Devconnect Opening Ceremony
Nov 17
Open-Air Happy Hour & AI Showcase with Wonderland & ILLA
Nov 17, 16:30 to 18:30
Frontier Forum - Where Moonshot Ideas Begin
Nov 17, 15:00 to 21:30
Tally's token launch workshop
Nov 17, 11:30 to 14:30
Agents Day
Nov 17, 09:00 to 18:00
Builder Nights Buenos Aires
Nov 17, 14:00 to 20:00
PadelCon - Buenos Aires Edition with Zerion, 0x, and Privy
Nov 17, 09:00 to 14:00
The Privacy Salon
Nov 17, 14:00 to 18:00
Buenos Railes: RAILGUN Private Party
Nov 17
Zaiffer x OpenZeppelin: Smart Contract Audit @DevCon
Nov 17, 17:00 to 18:00
Gavin Wood at the National Technological University - Introducing JAM
Nov 17, 17:30 to 20:00
Base Batches Demo Day
Nov 17, 13:00 to 16:00
Forum: Consumer Payments │ Monad Foundation x Bitso Business @ Devconnect
Nov 17
The Zama World's Fair
Nov 17, 18:00 to 23:00
Call to Commoning / Llamada a Compartir
Nov 18 — Nov 22, 10:00 to 07:00
BuidlGuidl's Builder Bootcamp: Beginner to Advanced
Nov 18 — Nov 21, 10:00 to 17:30
Sky Connect
Nov 18 — Nov 19, 19:30 to 01:30
DeFiConnect
Nov 18 — Nov 19, 09:00 to 19:00
Café.exe Opening Party
Nov 18 — Nov 19, 21:00 to 01:00
App Town Hall ⌐◨-◨
Nov 18, 10:00 to 18:00
ETHCON ARGENTINA 2025
Nov 18
zkID and Client-Side Proving Day
Nov 18, 09:00 to 18:00
Money Rails
Nov 18, 11:00 to 18:00
trustless://eil
Nov 18, 09:00 to 18:00
Solidity Summit
Nov 18
Web3Design - UX Unconference
Nov 18
EthStaker's Staking Gathering
Nov 18, 09:00 to 22:00
DevconnectHER | Career Lab & Job Fair
Nov 18, 16:00 to 19:00
Alignment: Buenos Aires
Nov 18, 19:00 to 23:00
DePIN Day
Nov 18, 10:00 to 18:30
EPF Day
Nov 18, 10:00 to 18:00
Confidential Token Association: Building the Standard for Confidential Onchain Finance
Nov 18, 14:00 to 17:00
SENSEI MAGIC
Nov 18, 10:00 to 20:00
DeAICon: The first Decentralized AI & Web3 Conference in Latam
Nov 18, 12:00 to 18:00
THE CAPITAL LAYER | RWA, Stablecoins & Institutional Builders Day 🇦🇷
Nov 18, 16:00 to 19:00
ZKONNECT by Brevis
Nov 18, 13:00 to 18:00
Stark Cafe | Day 1
Nov 18, 10:00 to 18:00
Celo Gather
Nov 18, 18:00 to 22:00
DeFiesta: 1inch x Ledger II
Nov 18
The Bankless Summit
Nov 18, 10:00 to 18:00
Compose Lounge
Nov 18, 19:00 to 22:00
[dev] Café | Espresso & Offchain Labs
Nov 18, 12:00 to 16:00
The Meeting Spot | World x Nethermind
Nov 18, 09:00 to 18:00
Stablecoin Bullish
Nov 18, 18:30 to 20:00
AI x Open Media Forum presented by Livepeer, co-curated with Refraction
Nov 18, 14:00 to 19:00
Onchain Creator Rally
Nov 18, 09:00 to 14:30
Agents Unleashed: The AI Ownership Era @Devconnect
Nov 18, 17:00 to 20:59
Governance Challenges. Agentic AI and Algorithmic Decentralization.
Nov 18, 18:00 to 20:00
Fenbushi DeFi Workshop
Nov 18, 11:00 to 16:00
Proof of Security: Buenos Aires
Nov 18, 19:00 to 22:00
Arab Connect
Nov 18, 17:00 to 18:00
Ethrex Unleashed
Nov 18, 14:00 to 18:00
TEE.salon @Buenos Aires 11.18.2025
Nov 18
Zaiffer: Confidential Onchain Finance Coffee @DevCon
Nov 18, 15:30 to 16:30
WiEP Brunch @ Devconnect 2025
Nov 18, 09:30 to 13:00
Base Meetup Buenos Aires
Nov 19 — Nov 21, 20:00 to 00:00
Ethereum Argentina Hackathon: Tierra de Buidlērs
Nov 19 — Nov 20, 09:00 to 15:00
zkTLS Day
Nov 19, 10:00 to 17:00
trustless://interop.landscape
Nov 19, 09:00 to 18:00
Games & storytelling by ethereum.org
Nov 19, 14:00 to 18:00
<d/acc day>
Nov 19
Crecimiento Startup Worldcup - Grand Finale
Nov 19, 12:00 to 17:30
University Track - UCEMA
Nov 19, 14:00 to 16:00
University Track - UTN
Nov 19, 11:00 to 13:00
Newtro and Whabbit present 'The Creator Economy' powered by Crecimiento
Nov 19, 09:30 to 17:30
DeFi Day del Sur
Nov 19
DuneCon25
Nov 19
StoryCheck: automating verification of front-end docs of EVM dApps
Nov 19
Funding the Commons: Buenos Aires 2025
Nov 19
ArbiVerse
Nov 19, 13:00 to 21:00
Encryption Day
Nov 19, 09:00 to 20:00
Bitso Onchain Presents: Copa De Los Memes
Nov 19, 11:00 to 15:30
AdoptionCon
Nov 19
Web3 Security Tools Seminar (W3ST)
Nov 19, 13:30 to 18:30
DeFi Security 101
Nov 19, 09:00 to 18:00
Chainlink House
Nov 19, 11:00 to 20:00
The Age of Intelligence
Nov 19, 18:00 to 22:00
Gov3 Summit
Nov 19, 09:00 to 12:00
Whitepaper Reading Sessions
Nov 19, 07:00 to 12:30
Capture the Flag
Nov 19, 17:00 to 20:45
Verifying Intelligence
Nov 19, 06:30 to 12:30
Casa ZK: Institutional Day
Nov 19, 11:30 to 16:00
Arbitrum Bridge LATAM – Inside Arbiverse
Nov 19, 10:00 to 13:00
Infinite Privacy - by Oak Security & Bermuda feat. Safe, W3PN, WIN Privacy, Jordi Baylina (ZisK)
Nov 19, 19:30 to 23:59
Security Connect: Hypernative x Nethermind
Nov 19, 09:00 to 13:00
EmprendedoraLAC Fest
Nov 19, 18:00 to 20:30
AI x Low Risk DeFi Den
Nov 19, 12:00 to 19:30
Whitepaper Reading with House of ZK
Nov 19, 09:30 to 15:30
Arc Studio: Buenos Aires
Nov 19, 10:00 to 12:30
pod engineering meetup
Nov 19, 15:00 to 20:00
UX Principles for DeFi, with Velora - Workshop
Nov 19, 15:00 to 16:00
ERC-7715, Wallet UX & On-Chain Permissions — Builder Discussion
Nov 19, 10:00 to 11:00
AdoptionCon
Nov 19
ETHGlobal Demo Day
Nov 19, 12:00 to 17:00
DeFi Security Summit
Nov 20 — Nov 21, 09:00 to 19:00
rAave Buenos Aires
Nov 20 — Nov 21
Café.exe Closing Party
Nov 20 — Nov 21, 19:00 to 01:00
Asia Web3 Day @Devconnect Argentina
Nov 20 — Nov 21, 18:00 to 02:00
Agentic Zero
Nov 20
Zero to Dapp at Devconnect
Nov 20, 09:00 to 18:00
Crecimiento Regulation Day
Nov 20, 09:00 to 18:00
University Track - Austral/IAE
Nov 20
University Track - UBA
Nov 20
NoirCon3
Nov 20, 10:00 to 16:00
Schelling Point
Nov 20, 10:00 to 16:00
WalletCon
Nov 20
Pragma Buenos Aires
Nov 20
Onboarding 3.0: Balance entre la adopción masiva y la construcción continua en Web3
Nov 20, 12:00 to 13:00
STARTUP CONNECT: Buenos Aires Edition
Nov 20, 12:00 to 17:00
EthClient Summit
Nov 20, 09:00 to 17:00
DIA Infra Gardens V8 Devconnect Buenos Aires
Nov 20
Scaling DeFi w/ kpk’s Treasury Network
Nov 20, 10:00 to 16:00
Onchain Capital Summit
Nov 20, 10:00 to 19:00
Real-Time Proofs in Motion
Nov 20, 08:00 to 15:00
Farcaster Meetup
Nov 20, 18:00 to 22:00
StarkConnect
Nov 20, 10:00 to 21:00
Ethereum Culture Day
Nov 20, 14:00 to 19:00
Asia Web3 Day @Devconnect
Nov 20, 15:30 to 19:30
Verifiable: DeFi Networking Event
Nov 20, 08:00 to 11:30
Proof of AI - Stablecoin, Agentic Payment & Autonomous Economy @Devconnect Argentina by Paypal Ventures & Kite AI & 499
Nov 20, 18:00 to 23:00
Verifiable: DeFi Networking Event w/ Nexus Labs
Nov 20, 08:00 to 11:30
ETHGlobal Buenos Aires
Nov 21 — Nov 23, 13:00 to 16:00
Devconnect Football Tournament | IT Rock & Gol
Nov 21 — Nov 22, 08:11 to 08:11
Decentraland Music Festival LIVE Party at DevConnect
Nov 21 — Nov 22
Ethereum Privacy Stack
Nov 21, 11:00 to 18:00
DeFi Today
Nov 21, 10:00 to 17:00
Trustless Agent Day
Nov 21, 10:00 to 16:00
EIP Summit at Devconnect
Nov 21, 09:30 to 13:00
University Track: Red UniBlock
Nov 21, 12:30 to 14:00
University Track - Champagnat
Nov 21, 11:00 to 12:30
FoundersConnect: Investor Matching Arena
Nov 21, 14:15 to 18:00
University Track - Fundación Blockchain
Nov 21, 14:00 to 16:00
H.E.R. DAO Brunch
Nov 21, 10:00 to 14:00
Pizza Piola
Nov 21, 20:00 to 23:00
ZK Real World Summit
Nov 21, 10:00 to 19:00
DeFi Dialogs
Nov 21
Concept to Commit: Decentralized AI & Media
Nov 21, 15:00 to 20:00
Convergence by OpenZeppelin
Nov 21, 10:00 to 15:30
Fenbushi Research House Presentation Day
Nov 21, 13:00 to 18:00
Lido Day @ Devconnect Argentina 🇦🇷 🇦🇷 🇦🇷
Nov 21, 11:00 to 19:00
Devconnect Closing + Big Announcement
Nov 22, 17:00 to 17:30
Devconnect Happy Hour
Nov 22, 17:30 to 19:00
Bridge Atlas
Nov 22
Applications To FHE
Nov 22, 09:00 to 12:30
Ethereum Community & Event Organizer Hangout
Nov 22, 14:00 to 17:00
ETH/ACC DEMO DAY
Nov 22, 14:15 to 18:00
Ethproofs Day
Nov 22, 10:00 to 18:00
Obfuscation Day
Nov 22, 14:00 to 18:00
University Track - Trama (ITBA)
Nov 22, 14:00 to 16:00
University Track - Di Tella Club Blockchain
Nov 22, 11:00 to 13:00
P2P Hacker Lounge (by Logos)
Nov 22, 10:00 to 21:00
OUR SUPPORTERS...
...AND OUR MEDIA PARTNERS
