subxt

Subxt is a Rust library designed for developers who need to interact with blockchains built on the Polkadot network. It provides high-level, type-safe, and dynamic interfaces for submitting transactions, accessing blockchain data, and subscribing to block updates. Subxt supports offline use, browser-based (WASM) interactions, and FFI for cross-language integration, making it a versatile tool for blockchain application development and testing.