by Sacha Lansky and Emre Surmeli


Polkadot introduces novel paradigms for building modular and interoperable Web 3.0 applications. Technically known as a “relay-chain”, its primary utility is to provide pooled security to multiple blockchains, or “parachains” that can connect to it and communicate between each other. In the first part of this workshop, Emre (Technical Educator at W3F) will give an overview of Polkadot’s architecture and step you through its core components in action. We will learn about the Relay Chain, what “Layer 0” means, and how other Layer 1 blockchain can connect to the Relay Chain in order to achieve interoperability and connect to a shared security. At the heart of these components lies Substrate: the framework for building Polkadot-like blockchains.

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