Testnet
Published January 15, 2025
Building a home for every DeFi developer, from day one.
October marked the launch of Unichain, a Superchain L2 designed for DeFi. Since testnet launch, there have been 78 million test transactions and over 9.6 million test contracts deployed on the network. Ahead of mainnet launch, developers experimenting on testnet have access to infrastructure from more than 30 of the world’s leading technical providers, blockchain services, and applications.
Block Explorers
Blockscout
Blockscout provides tools to help developers debug smart contracts and transactions, including the ability to view, verify, and interact with smart contract source code, and view detailed transaction information.
Etherscan
Etherscan provides tools to help developers view transaction data and debug smart contracts, including search by address, transaction hash, batch, or token, view, verify, and interact with smart contract source code, view detailed transaction information, and view L1-to-L2 and L2-to-L1 transactions
Bridges
Brid.gg
Brid.gg enables developers and users to bridge ETH and other supported assets from Ethereum Sepolia (L1) to Unichain Sepolia (L2) today. Coming soon to Mainnet.
Superbridge
Use Superbridge to bring assets from Ethereum Sepolia (L1) onto Unichain Sepolia (L2). Coming soon to Unichain Mainnet.
Cross-Chain
Across
Across is an interoperability protocol powered by intents. It is the first cross-chain intents protocol in production today, enabling the fastest and lowest-cost way to transfer value with better security tradeoffs vs. traditional bridge designs.
Hyperlane
Hyperlane is a permissionless interoperability protocol for cross-chain communication. It enables message passing and asset transfers across different chains without relying on centralized intermediaries or requiring any permissions.
LayerZero
LayerZero is an omnichain interoperability protocol that enables cross-chain messaging. Applications built on Unichain can use the LayerZero protocol to connect to 100+ supported blockchains seamlessly.
Wormhole
Wormhole is an interoperability platform powering multichain apps and bridges.
Data Indexing
Allium
Allium powers leading institutions for their blockchain analytics & research, applications and accounting use cases with the enterprise quality data and compliant SLAs.
GhostGraph
GhostGraph makes it easy to build fast indexers (subgraphs) for smart contracts. GhostGraph is the first indexing solution that lets developers write index transformations in Solidity. Unichain dApps can query data with GraphQL using our hosted endpoints.
Goldsky
Goldsky is Unichain's realtime data platform. Developers can build powerful apps with high-performance subgraphs and real-time data pipelines. Currently serving 120+ blockchains and powering billions in TVL.
Subquery
SubQuery is an open source blockchain multi-chain data indexer that provides developers with fast, flexible, universal, open source and decentralised APIs for web3 projects. SubQuery supports 210+ ecosystems including Unichain, and allows developers to aggregate data across many different blockchain in one project.
The Graph
The Graph makes it easy to organize and access onchain data. The Graph is the original decentralized data marketplace that invented and standardized Subgraphs, which are open APIs you can query to rapidly serve data into your Unichain application’s frontend. With The Graph, you can build serverless applications that run entirely on public infrastructure.
SQD
SQD Network is a decentralized query engine optimized for batch extraction of large volumes of data. It currently serves historical on-chain data ingested from 100+ EVM chains, including Unichain Sepolia. The indexing service provides EVM event logs, transaction receipts, traces, and per-transaction state diffs.
Development Tools
OpenZeppelin
OpenZeppelin provides tools for building, securing, and operating onchain applications at any scale. OpenZeppelin Contracts Library, Security Services, and Defender Cloud Services enable clients to develop smart contract applications fast and conduct transactions safely across more than 30 networks. OpenZeppelin supports over a thousand web3 projects, foundations, DAOs, and enterprises.
Tenderly
Tenderly allows builders to move fast from development to on-chain deployment with a multichain node RPC, integrated development environments, and debugging tools.
Faucets
QuickNode
The QuickNode Faucet offers an easy to use Multi-Chain Faucet that supports Unichain testnet. Developers can use QuickNode Faucet to claim Unichain Sepolia testnet ETH for free - one drip per network every 12 hours.
Superchain
The Superchain Faucet provides testnet ETH for Unichain. Anyone can claim 0.05 test ETH on 1 network every 24 hours, or verify your onchain identity for more tokens.
thirdweb
The thirdweb Faucet offers an easy to use Unichain testnet. You can use this Faucet to claim Unichain Sepolia testnet ETH for free - one drip per network every 24 hours.
Node Providers
Alchemy
Alchemy is the web3 developer platform that has powered top dapps for over half a decade. It offers JSON-RPC API and Subgraphs for Unichain builders.
Blockdaemon
Blockdaemon is the leading provider supporting the growing market for blockchain services. It offers JSON-RPC Dedicated Nodes for Unichain builders and institutional customers, such as exchanges, fintechs, and wallets.
Infura
Infura is a powerful suite of highly available blockchain APIs; integrated into the MetaMask Developer toolkit empowering dapp developers. Infura offers JSON-RPC APIs made available through the DIN (Decentralized Infrastructure Network).
QuickNode
QuickNode offers access to hosted Unichain nodes as part of their free Discover Plan. You can configure add-ons, like "Trace Mode" and "Archive Mode" for an additional cost by upgrading to one of their paid plans.
Oracles
API3
API3 is a blockchain oracle provider leading the transition from traditional third-party oracle networks to first-party oracle solutions. API3 delivers a suite of products to developers building next-generation applications, including the first-party Airnode to connect API providers directly to the blockchain, decentralized data feeds (dAPIs) on the API3 Market, QRNG services for generating truly random numbers on-chain, and OEV Share to allow dApps to capture Oracle Extractable Value and improve protocol performance.
Pyth
Pyth Network is a decentralized oracle solution that provides high-fidelity, real-time financial market data to blockchain networks and applications. Leveraging data from top-tier financial institutions, Pyth aims to enhance the accuracy and speed of dApps by offering ultra-low-latency price feeds.
RedStone
RedStone is a platform that provides price feeds for yield-bearing collateral in lending markets through a decentralized exchange (DEX) model. It features a modular design that supports compatibility across a variety of blockchain architectures, including EVMs, non-EVMs, rollups, and appchains, ensuring broad cross-chain integration.
Stablecoins
Circle
Developers can start to experiment with funds flows in their Unichain apps today by getting free testnet USDC from Circle’s Faucet.
Unichain Protocol Contributors
Flashbots
Flashbots is a research and development organization formed to mitigate the negative externalities posed by Maximal Extractable Value (MEV) to stateful blockchains, starting with Ethereum.
Optimism
OP Labs contributes to the Optimism protocol, an extension to Ethereum that scales both its technology and values. Optimism enables orders of magnitude of improved performance and scalability to Ethereum while doubling down on its commitment to public goods.
Uniswap Labs
Uniswap Labs builds products that help millions of users to safely and securely access DeFi. Uniswap Labs is the technical service provider supporting the development of Unichain.
Wallet Infrastructure
Alchemy
Alchemy’s Account Kit is the complete developer toolkit to build zero-friction user flows, from sign-up to checkout, in minutes. It includes embedded wallets, smart accounts, and account abstraction infrastructure.
Dynamic
Dynamic provides a seamless way for developers to onboard users, with a suite of tools that covers everything from embedded wallets, multi-chain wallets, authentication, and user management, making it easy to integrate the crypto stack into your app.
Privy
Privy supports many of the most popular crypto apps with embedded wallets that allow for the seamless provision of self-custodial wallets, powerful connectors for crypto natives, and a library for onboarding every user, regardless of where they are on their crypto journey.
thirdweb
thirdweb offers a complete platform to leverage account abstraction to enable seamless user experiences for users. This includes everything needed to spin up Smart Accounts for onchain accounts, Bundlers for UserOps and Paymasters to enable gas sponsorships.
Zerion
Zerion allows you to manage your DeFi portfolio, trade across networks, and connect to any decentralized application with one wallet.
ZeroDev
ZeroDev is a chain-abstracted smart account for building user-friendly Web3 experiences. Today, it is one of the most trusted solutions in Account Abstraction, powering more than 50% of all account-abstracted wallets.
Get started
It’s Uniswap Foundation’s mission to create a more open, fair and decentralized financial system. It begins by creating a home for every DeFi developer. If you’re looking to get started on Unichain, you can access a full suite of resources through the Unichain Builder Toolkit, and apply for Unichain Developer Grants.
To learn more about Unichain, visit the Unichain site, or follow Unichain on Twitter/X.