CosmJS
A modular TypeScript/JavaScript library for building clients for Cosmos SDK and CosmWasm blockchain applications.
What is CosmJS?
CosmJS is a TypeScript/JavaScript library that serves as a Swiss Army knife for building client applications in the Cosmos blockchain ecosystem. It provides the essential tools and client libraries needed to interact with Cosmos SDK and CosmWasm-based blockchains, enabling the development of web apps, explorers, browser extensions, and server-side clients like faucets. The project solves the problem of fragmented tooling by offering a unified, modular suite of packages for blockchain interaction.
JavaScript/TypeScript developers building client-side applications, tools, or services for Cosmos-based blockchains, including those creating wallets, explorers, dApp frontends, or backend utilities.
Developers choose CosmJS for its comprehensive, modular approach that covers the full spectrum of client needs in the Cosmos ecosystem, from low-level cryptography to high-level SDK clients, all maintained with a focus on clean dependencies and multi-environment support without requiring Internet Explorer compatibility.
Overview
The Swiss Army knife to power JavaScript based client solutions ranging from Web apps/explorers over browser extensions to server-side clients like faucets/scrapers.
Use Cases
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