the polkadot

Lisbon, November 28-29, 2022

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Connect, learn and build custom blockchains together

sub0 is the developer conference dedicated to building custom blockchains and apps for the Polkadot ecosystem.

The 2022 edition will bring together the global Polkadot community and provide an open introduction to those looking to learn more about Rust, how to build using Substrate, and participate in the ecosystem.

Join us for two days of knowledge-sharing, with a range of keynotes, panel discussions, interactive workshops, collaborative sessions, and career growth opportunities.

Parachain teams will showcase the latest cutting-edge developments across Polkadot, Kusama, and Substrate, and host unique side events alongside the main program.

Who is sub0 for?

We encourage developers and Web3 enthusiasts of all knowledge levels and backgrounds to join sub0

Apply to attend


Enjoy technical deep dives and interactive workshops that will take your current Substrate projects to the next level.


Get insights into Substrate's capabilities and develop the skills needed to start new projects.


Discover new developer and engineering best practices outside of your curriculum, and get hands-on experience with the latest blockchain SDK tools.

New and curious

Are you a developer that's curious about Polkadot? Get an introduction to the ecosystem and learn about the many ways you can become part of it.

Look back on the highlights from sub0 2021