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Hydra SDK

A comprehensive software development kit for building Cardano DApps and wallet applications with Hydra Layer 2 integration

3
Core Packages
5+
Applications
100%
TypeScript
WASM
Super Fast
Apache-2.0
License

Everything you need to build

A complete toolkit with modular packages, TypeScript support, and comprehensive documentation

Cardano Wallet Management

Create, restore, and manage Cardano wallets with full HD wallet support and transaction signing.

TypeScriptWASMCardano

Hydra Layer 2 Integration

Complete Hydra Head lifecycle management with real-time transaction processing.

WebSocketSocket.IOHydra

Transaction Builder

Advanced transaction building utilities with UTxO selection and fee optimization.

CBORPlutusSmart Contracts

WASM Integration

High-performance Cardano serialization with browser-optimized WebAssembly.

WASMRustBrowser

TypeScript First

Full TypeScript support with comprehensive type definitions and IntelliSense.

TypeScriptESLintPrettier

Modular Architecture

Extensible package-based architecture for easy customization and integration.

TurborepoPNPMMonorepo

Apps Built with Hydra SDK

Discover powerful applications already using our SDK in production

Hydra Wallet

Cardano Wallet

A modern, secure Cardano wallet with Hydra Layer 2 support for instant transactions and DeFi operations.

HD WalletHydra Layer 2DeFiStakingNFTs
Visit Hydra Wallet

Hydra SDK Playground

Development

An interactive playground for experimenting with Hydra SDK features and building DApps.

Interactive PlaygroundHydra SDKDApp DevelopmentTesting
Visit Hydra Playground

Hydra Flappy Bird

GameFi

Classic Flappy Bird game reimagined with blockchain integration, NFT rewards, and Hydra-powered microtransactions.

GameFiNFT RewardsLeaderboardMicro-payments
Visit Hydra Flappy Bird

Hydra Fastpay

Payment Solution

Lightning-fast payment processing using Hydra Layer 2 for instant, low-cost transactions on Cardano.

Instant PaymentsLow FeesQR CodesMerchant Tools
Visit Hydra Fastpay

Hydra Rock Paper Scissors

GameFi

Decentralized game of Rock Paper Scissors with NFT rewards and Hydra Layer 2 scalability.

GameFiNFT RewardsHydra Layer 2Low Fees
Visit Hydra Rock Paper Scissors
Proudly Sponsored By
Vtechcom Logo

VTechcom

A creative software development technology company, accompanying the future of decentralized applications on Cardano.

Quick Start

Get up and running in minutes

1. Installation

bash
# Install core packages
npm install @hydra-sdk/core @hydra-sdk/bridge @hydra-sdk/transaction @hydra-sdk/cardano-wasm

2. Basic Usage

typescript
import { AppWallet, NETWORK_ID } from '@hydra-sdk/core'
// Create new wallet
const wallet = new AppWallet({
networkId: NETWORK_ID.PREPROD,
key: {
	type: 'mnemonic',
	words: AppWallet.brew() // Generate new mnemonic
}
})
// Get account
const account = wallet.getAccount(0, 0)
console.log('Address:', account.baseAddressBech32)

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GitHub

Contribute to the SDK, report issues, and explore the source code

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