Building on Ergo

Use this page to choose a developer path.

Start Here

• Developer Overview
• Development Pathways
• Tutorials and Recipes
• Contracts and Patterns Library

Choose a Path

I want to build...	Start with	Then see
Browser dApp	Browser pathway	dApp Connector, Fleet SDK
Backend service	Server pathway	Off-Chain Services, Blockchain Indexing
Smart contract	ErgoScript	ErgoScript Concepts, Patterns
Wallet/payment integration	Wallet Standards	ErgoPay, ErgoAuth
Mobile app	Mobile pathway	Mobile Build Constraints
Indexer or analytics service	Blockchain Indexing	Indexed Node API, Custom Indexer

SDKs and Languages

• JVM: Scala, Java, Kotlin, AppKit
• JavaScript/TypeScript: JavaScript, Fleet SDK, SigmaJS, EIP-12 Types, ergots
• Rust: Rust, SigmaRust, sigma-rust constrained builds
• Python: Python, ergo-lib-python
• Other: C#, Go

Tooling and Frameworks

Need	Start here	Related
Choose an app surface	Development Pathways	Browser, Server, Mobile, Desktop
Build with JVM tooling	AppKit	AppKit Node, Gradle, Kiosk
Build with JS/TS	Fleet SDK	Fleet Recipes, SigmaJS, ergots
Use Rust bindings	Sigma Rust	ergo-lib-python, Hardware Wallets
Work with APIs	Node API	API Overview, API How-To, OpenAPI
Build AI/agent tooling	Ergo Agent SDK	AI, Degens.World, BoTTube

Core Concepts for Builders

• eUTXO
• Boxes and Registers
• Transactions
• Data Inputs
• ErgoTree
• Sigma protocols

Testing and Operations

• Testnet
• Node API
• Deployment Runbook
• Scanner Operations