Parachain

This guide provides a comprehensive walkthrough for upgrading an existing Substrate-based parachain to enable the **Async Backing** feature. The process involves preparing a new client binary and runtime, then executing a live runtime upgrade and client migration on a local test network managed by Zombienet.

Learn how to create an AI agent contract locally using OpenAI and Phala Network in the Polkadot ecosystem. Over the past several years, we’ve witnessed the drastic progress of Artificial Intelligence.