title: Packages description: Explore the core packages of the Hydra SDK for Cardano wallet development.

Packages

Welcome to the Packages section of the Hydra SDK documentation. Here you'll find detailed information about each package, including installation instructions, usage examples, and API references.

Overview

The Hydra SDK consists of four main packages:

1. @hydra-sdk/core - Core wallet functionality
2. @hydra-sdk/bridge - Hydra Layer 2 integration
3. @hydra-sdk/transaction - Transaction building utilities
4. @hydra-sdk/cardano-wasm - Cardano WASM bindings for advanced blockchain operations