Developer Documentation

Concordium is a public, permissionless Layer 1 blockchain with a built-in identity layer. It provides fast, affordable transactions with smart contract support, and a unique approach to regulatory compliance through verified identities.

Find technical documentation here for every stage — evaluating, building, integrating, and operating Concordium. If you want to know more about how this documentation is organized and how to find what you need, see Navigate this documentation.

Exploring Concordium?

Get a clear picture of what Concordium does, how it works, and whether it fits your use case.

• Concordium Protocol at a glance

• Identity and privacy on Concordium

• Tokenomics: CCD, transactions, and staking

• Earn rewards by delegating your CCD

• Verify and Access: integration overview

• Wallet integration: what to consider

Ready to build?

Set up your environment and follow step-by-step tutorials from your first transaction to a complete integration.

• Quick start guide

• Build your first smart contract

• Issue credentials with Web3 ID

• Build with sponsored transactions

• Explore dApp examples

• Protocol-Level Tokens — read more on concordium.com or build with PLTs

Running infrastructure?

Set up and operate nodes and validators on the Concordium network.

• Run a node on Concordium

• How to become a validator

• Validate with Concordium wallets

• Validate with the Concordium Client

• Validation and delegation: common questions

Reference & tools

Find API specifications, command-line tools, and other reference material.

• gRPC API documentation

• Concordium Rust SDK reference

• Concordium Client

• CCDScan — blockchain explorer

• Release notes

• Downloads