The Economic OS for the internet
A curated list of awesome resources related to the Arc L1 Blockchain.
Arc is a purpose-built Layer-1 blockchain for stablecoin-native financial applications, with USDC as gas, sub-second deterministic finality, and full EVM compatibility.
Arc is a purpose-built Layer-1 blockchain for stablecoin-native financial applications, with USDC as gas, sub-second deterministic finality, and full EVM compatibility.
- Getting Started
- Official Resources
- Learning Resources
- Developer Resources
- Research Papers
- Ecosystem Projects
- Community Projects
- Contributing
- License
New to Arc? Start here to learn about the platform, set up your environment, and deploy your first contract.
- Introducing Arc - Learn about Arc, a Layer-1 blockchain purpose-built for stablecoin finance.
- Connect to Arc - Set up your wallet and configure your development environment for Arc Testnet.
- Faucet - Get testnet USDC and EURC.
- Deploy your first contract - Learn to deploy, test, and interact with a Solidity smart contract on Arc Testnet.
Official websites, documentation, tools, and community channels for Arc.
- Website - Official Arc website.
- Documentation - Official Arc developer documentation.
- Blog - Official Arc blog.
- Faucet - Get testnet USDC, EURC, and Circle Wrapped Bitcoin (cirBTC) for development on Arc.
- Explorer - Block explorer for exploring transactions, blocks, addresses, and smart contracts on Arc.
- Status Page - Uptime and incident tracker for the Arc network.
- GitHub - Official Arc GitHub organization.
- X - Official Arc X account.
- Discord - Official Arc Discord server.
- Arc House - Official community hub for Arc builders.
Resources for understanding Arc's architecture, design, and core concepts.
- Building the Internet Financial System - Explore Circle's vision for the internet financial system, from USDC to governed networks.
- Why Circle built Arc: The Vision and Key Features - Explore the vision behind Arc and its core features.
- Arc Developer Overview - Provides an overview of Arc's developer experience and how to get started.
- System Overview - Provides an overview of Arc's dual-layer architecture, including the execution and consensus layers.
- Consensus Layer - Learn how Arc's Malachite-based consensus layer validates and finalizes blocks.
- Execution Layer - Learn how Arc's Reth-based execution layer maintains the full blockchain state and processes transactions.
Note
Arc is EVM-compatible with some unique differences. Review the EVM differences before building on Arc.
- App Kit SDK - All-in-one SDK for transfers, crosschain bridging, swaps, and unified balance management.
- App Kit SDK Reference - Describes the public interfaces, methods, and types available in the App Kit SDK.
- Porting Contracts to Arc - Learn to migrate existing EVM smart contracts to Arc.
- Integrating RainbowKit with Bridge Kit for crosschain USDC transfers - Learn to integrate RainbowKit and Bridge Kit for crosschain USDC transfers.
- How to Build Real-Time Stablecoin FX in Your App with StableFX - Learn to build real-time stablecoin FX in your app with Circle StableFX.
- Tokenizing Real-World Assets with Circle Contracts - Learn to tokenize real-world assets with Circle Contracts.
- Choosing Between Circle Gateway and CCTP with Forwarding Service for Crosschain USDC - Learn when to use Circle Gateway or CCTP for crosschain USDC transfers.
- Consolidate Crosschain USDC: Fast, Low-Cost Transfers with CCTP and Gateway - Learn to consolidate crosschain USDC into a unified Arc Gateway balance.
- Building a Gas-abstracted Crosschain USDC UX with Gateway and Gas Station - Learn to build a gas-abstracted crosschain USDC experience.
- Build a Multichain Treasury System on Arc: The Fintech Starter - Learn to build a multichain treasury system on Arc.
- Pay First, Settle Later with CCTP - Learn how a local fulfiller can pay first and CCTP can settle reimbursement crosschain later from a platform treasury.
- Arc Lending Platform - Demonstrates DeFi lending using cirBTC as collateral to borrow USDC on Arc.
- Arc P2P Payment - Demonstrates gasless peer-to-peer payments on Arc.
- Arc Commerce - Demonstrates integrating USDC payments for purchasing credits on Arc.
- Arc Multichain Wallet - Demonstrates a seamless crosschain USDC wallet experience with Arc and Circle Gateway.
- Arc Fintech - Demonstrates a multichain treasury management system on Arc.
- Arc Stablecoin FX - Demonstrates USDC and EURC stablecoin FX swaps using the App Kit's Swap SDK.
- Arc Nanopayments - Demonstrates gasless USDC nanopayments using Circle Nanopayments on Arc.
- Arc Escrow - Demonstrates an end-to-end escrow workflow on Arc.
- Arc Prediction Markets - Demonstrates a prediction market powered by UMA Protocol on Arc.
- Deploy Contracts - Provides pre-audited ERC-20, ERC-721, ERC-1155, and airdrop contract templates using Circle Contracts.
- Interact with Contracts - Provides contract templates for interacting with ERC-20, ERC-721, and ERC-1155 contracts.
- Exchange Integration - Explains how to integrate Arc into centralized exchanges.
- On/Off-Ramp Integration - Explains how to integrate Arc into fiat on-ramp and off-ramp platforms.
- Wallet Integration - Explains how to integrate Arc into wallet applications.
- Infrastructure Integration - Explains how to integrate Arc into blockchain infrastructure such as block explorers.
- Bridge Integration - Explains how to integrate Arc into crosschain bridge protocols.
- AI skills for building on Arc - AI coding skills for building on Arc with Circle's products, including USDC, agent wallets, crosschain transfers, and smart contracts.
- Arc MCP server - Provides AI tools with direct access to Arc documentation for searching relevant content and retrieving full pages during conversations.
- Register your first AI Agent - Learn to register AI agents with onchain identities using ERC-8004 on Arc Testnet.
- How to Prompt Claude with Circle Skills to Build a Crosschain USDC App - Learn to build a crosschain USDC app with Claude and Circle Skills.
- From Prompt to Deployment with Circle Skills and Vercel Skills - Learn to build and deploy apps with Circle Skills and Vercel Skills.
- Build Agentic Systems for High-Frequency Sub-Cent Transactions - Learn to build agentic systems for high-frequency sub-cent payments.
- Turn Your API into a Storefront for Agents - Learn to monetize APIs with Gateway and USDC nanopayments.
Technical papers covering Arc's architecture, consensus, privacy, and security.
- Arc Litepaper - Provides an overview of Arc's architecture, use cases, and roadmap. Also available in:
- Arc Multi-Proposer Protocol with Bounded Inclusion Guarantees - Describes AMP, its design, and bounded inclusion guarantees.
- AMP: Rethinking Block Building with Multi-Proposer Consensus - Provides an accessible overview of AMP for efficient block building.
- Arc Whitepaper - Explores the ARC token's role in security, governance, and network utility.
- Introducing the Arc Whitepaper - Provides a concise, non-technical overview of the ARC token.
- Privacy Whitepaper - Explores Arc Privacy Sector (APS) for confidential smart contract execution.
- Post-Quantum Whitepaper - Explores Arc's roadmap for post-quantum security.
Note
This is a curated selection of Arc ecosystem projects and is not exhaustive. For the complete and up-to-date list of ecosystem projects, see the official Arc Ecosystem page.
- Blockscout - Open-source blockchain explorer for EVM-compatible networks.
- Chainalysis - Blockchain intelligence platform for compliance, investigations, and risk monitoring.
- Elliptic - Blockchain analytics platform for crypto compliance and forensic investigations.
- Aave - Decentralized liquidity protocol for lending and borrowing digital assets.
- Aerodrome - Decentralized exchange on Base for token swaps and liquidity provision.
- Curve - Automated market maker (AMM) optimized for stablecoin and correlated asset trading.
- GetLiquid - Infrastructure layer connecting lenders and borrowers in onchain private credit markets.
- Maple - Institutional onchain credit marketplace offering fixed-rate lending.
- Morpho - Decentralized lending protocol optimizing capital efficiency through peer-to-peer matching.
- Superform - Onchain platform for sending, swapping, earning yield, and managing stablecoins and crypto assets.
- Velodrome - Decentralized exchange on OP Mainnet for token swaps and liquidity incentives.
- Uniswap - Leading decentralized exchange enabling peer-to-peer token swaps.
- Bybit - Cryptocurrency exchange for spot, derivatives, and digital asset trading.
- Coinbase - Cryptocurrency exchange for buying, selling, trading, and staking digital assets.
- Kraken - Cryptocurrency exchange for spot trading, futures, staking, and institutional services.
- Robinhood - Financial services platform for cryptocurrency and traditional asset trading.
- Alchemy - Blockchain developer platform offering APIs, node infrastructure, and developer tooling.
- AWS - Cloud computing platform providing scalable infrastructure and developer services.
- Blockdaemon - Institutional blockchain infrastructure providing nodes, APIs, staking, and wallet services.
- Cloudflare - Connectivity cloud platform offering networking, security, and developer services.
- dRPC - High-performance RPC infrastructure and developer platform.
- QuickNode - Decentralized RPC infrastructure for scalable Web3 applications.
- Sequence - Wallet infrastructure with embedded wallets and crosschain payments.
- Turnkey - Secure wallet infrastructure and key management platform.
- Across - Crosschain bridge for fast, low-cost asset transfers.
- LayerZero - Omnichain interoperability protocol connecting blockchain applications.
- Stargate - Crosschain liquidity transport protocol for seamless asset transfers.
- Wormhole - Interoperability protocol connecting assets, applications, and data across blockchains.
- Chainlink - Decentralized oracle network providing secure data feeds and crosschain interoperability.
- Chronicle - Oracle infrastructure for tokenized financial markets.
- RedStone - Modular oracle network for DeFi and institutional applications.
- Bridge - Stablecoin-native payments infrastructure for global money movement.
- Catena - Banking and governance platform built for AI agents.
- dLocal - Payment infrastructure platform enabling local payments and cross-border payouts in emerging markets.
- Visa - Global payments network connecting consumers, merchants, businesses, and financial institutions.
- Corpay - Global business payments company providing solutions for vendor, international, and employee payments.
- EBANX - Payments platform connecting global businesses to local payment methods across emerging markets.
- Noah - Stablecoin-powered payment infrastructure for global money movement.
- Nuvei - Global payment technology platform for payment acceptance, payouts, and processing.
- PhotonPay - Stablecoin-powered payment platform for global commerce.
- Worldpay - Global payment processing and commerce technology company.
- Yellow Card - Stablecoin infrastructure platform enabling cross-border payments across Africa and other emerging markets.
- BlackRock - Leading asset manager bringing institutional investment products onchain.
- Centrifuge - Open infrastructure for tokenizing and managing real-world assets.
- Securitize - Institutional platform for issuing and managing tokenized real-world assets.
- Crossmint - Platform for integrating wallets, stablecoins, and payment rails.
- Fireblocks - Enterprise platform for securely storing, transferring, and issuing digital assets.
- MetaMask - Self-custodial wallet and gateway to decentralized applications.
- Privy - Authentication and embedded wallet infrastructure for Web3 applications.
- Rainbow - Open-source, self-custodial Ethereum wallet for storing crypto assets and NFTs.
Highlights open-source projects and tools built by the Arc community.
Note
Built an open-source project on Arc? We'd love to feature it! Before submitting a pull request, please review the Contribution Guidelines.
Contributions are welcome! Please see the Contribution Guidelines for details on how to contribute.
To the extent possible under law, @0xBitzz has waived all copyright and related or neighboring rights to Awesome Arc.
For the full license, see LICENSE.