Want to learn about how to build on Polkadot? October 13-14 tune in to #Sub0 Online to hear about the latest @substrate_io developments from Polkadot founder @gavofyork and the core development team, and explore the ecosystem.

Register now 👇https://t.co/Qlp24PcOWk

— Polkadot (@Polkadot) September 27, 2021