Gavin Wood, Ethereum co-founder & Polkadot creator, to open Polkadot’s sub0 Symbiosis in Buenos Aires
Polkadot’s flagship event draws key figures from across Web3
Buenos Aires, Argentina – October 7th, 2025 – WebZero and Polkadot announce that Dr. Gavin Wood, founder of Polkadot and co-founder of Ethereum, will headline sub0 Symbiosis and kick off the show with the opening keynote at 11:00am local time on November 14th. In Dr. Wood’s first major public speaking role since recently returning as CEO of Parity, he joins a growing lineup of Web3 experts confirmed for the flagship conference, taking place November 14–16, at Bubble Studios in Buenos Aires. The event brings together builders, innovators, and thought leaders for three days of keynotes, panels, fireside chats, workshops, a 24-hour hackathon, and the best vibes in Web3.
Ahead of his keynote, Dr. Wood reflected on Polkadot’s evolution and what’s next for the network, “Technical excellence remains Polkadot’s foundation, but adoption and utility are the new priority. As we step into this new era Polkadot will become the ‘World Supercomputer’ for the next generation of Web3.”
Other confirmed speakers include:
- Jakub Panik (Co-Founder & CTO, Hydration)
- Ed Hesse (Co-Founder & CEO, EnergyWeb)
- Seun Lanlege (Co-Founder & CEO, Hyperbridge)
- Amar Singh (Senior Rust Engineer, OpenZeppelin)
- Paul Sparta (CEO, Vbrick)
- Francesco Andreoli (DevRel, MetaMask)
- Alberto Viera (DevRel Lead, Moonbeam)
- Nader Dabit (Director of Developer Relations, Eigen Labs)
- Branimir Rakic (Founder & CTO, OriginTrail)
- Gustavo Massena (Co-Founder, Sunset Labs)
- Erin Grasmick (Engineer, Parity)
- Michael Bennallack (Founder, Mandala Chain)
- Alex Mubert (Founder & CSO, Mubert)
- Leemo (Chief Nice Officer, Nova Wallet)
- Simón Puebla (Head of BD, Crecimiento)
Dozens more will take the stage for panels, fireside chats, and product reveals, tackling a wide range of topics and verticals such as DevRel, interoperability, capital markets, privacy, stablecoins, governance, gaming, music, and AI all while celebrating the tech, culture, and collaborative spirit driving the next era of decentralized systems. In a bid to draw more attention from ecosystem outsiders, speakers from Uniswap, Dune, Arbitrum, EigenLabs will also appear.
“sub0 isn’t a passive conference, it’s all about bringing communities from across Web3 together to learn, network, and build,” said Roman Kemper, Founder of WebZero. “The lineup we’ve confirmed so far is already stacked, and we can’t wait to share more names soon.”
More speakers will continue to be announced in the coming weeks, and the full conference agenda will also be released soon, offering a comprehensive look at everything attendees can expect to find and experience at sub0 Symbiosis.
For full details and an updated speaker list, or to apply to speak, please visit sub0.gg
Conference essentials:
- Dates: November 14–16, 2025 (10 AM – 6 PM agenda + 24-hour hackathon)
- Venue: Bubble Studio, Buenos Aires, Argentina
- Tickets: Free of charge – Register now at
- Teaser Video:
###
About WebZero
WebZero is a global event and DevRel force presenting sub symbiosis, the leading flagship conference for the Polkadot ecosystem from November 14-16, 2024, in Beunos Aires, Argentina.
About Polkadot
Polkadot is the powerful, secure core of Web3, providing a shared foundation that unites some of the world’s most transformative apps and blockchains. Polkadot offers advanced modular architecture that allows devs to easily design and build their own specialized blockchain projects, pooled security that ensures the same high standard for secure block production across all connected chains and apps connected to it, and robust governance that ensures a transparent system where everyone has say in shaping the blockchain ecosystem for growth and sustainability. With Polkadot, you’re not just a participant, you’re a co-creator with the power to shape its future.
