# Arc Docs

## Docs

- [Consensus Layer](https://docs.arc.network/arc/concepts/consensus-layer.md): Arc's Malachite consensus layer orders, validates, and finalizes blocks using a Tendermint-based Proof-of-Authority model.
- [Deterministic Finality](https://docs.arc.network/arc/concepts/deterministic-finality.md): Arc's deterministic finality provides instant, irreversible transaction settlement in under one second.
- [Execution Layer](https://docs.arc.network/arc/concepts/execution-layer.md): Arc's Reth-based execution layer processes transactions, maintains state, and validates results within the EVM environment.
- [Opt-in Privacy](https://docs.arc.network/arc/concepts/opt-in-privacy.md): Arc's opt-in privacy enables confidential onchain transactions with selective disclosure and compliance-ready auditability.
- [Stable Fee Design](https://docs.arc.network/arc/concepts/stable-fee-design.md): Arc's stable fee model uses USDC as gas to provide predictable, low-cost, and auditable onchain transaction fees.
- [System Overview](https://docs.arc.network/arc/concepts/system-overview.md): Arc's system architecture integrates the Malachite consensus layer with the Reth execution layer to process and finalize transactions.
- [Welcome to Arc](https://docs.arc.network/arc/concepts/welcome-to-arc.md): An open Layer-1 blockchain purpose-built to unite programmable money and onchain innovation with real-world economic activity.
- [Connect to Arc](https://docs.arc.network/arc/references/connect-to-arc.md): Connect your wallet or app to the Arc chain network.
- [Contract Addresses](https://docs.arc.network/arc/references/contract-addresses.md): Official Arc Testnet contract addresses for USDC, EURC, and crosschain components such as CCTP and Gateway.
- [EVM Compatibility](https://docs.arc.network/arc/references/evm-compatibility.md): Arc's EVM compatibility, highlighting USDC as gas, deterministic sub-second finality, and key differentiation for developers.
- [Gas and Fees](https://docs.arc.network/arc/references/gas-and-fees.md): How gas and transaction fees operate on Arc, covering the base fee model, pricing mechanics, and configuration guidelines.
- [Sample Applications](https://docs.arc.network/arc/references/sample-applications.md): Open source examples for building on Arc.
- [Account Abstraction](https://docs.arc.network/arc/tools/account-abstraction.md): Account Abstraction providers on Arc, offering SDKs, paymasters, and smart wallet infrastructure for building flexible AA flows.
- [Block Explorers](https://docs.arc.network/arc/tools/block-explorers.md): Arc's block explorers to view transactions, verify contracts, and analyze onchain data using Etherscan-compatible APIs.
- [Compliance](https://docs.arc.network/arc/tools/compliance-vendors.md): Compliance providers offering analytics, wallet screening, and monitoring tools for Arc applications.
- [Data Indexers](https://docs.arc.network/arc/tools/data-indexers.md): Data indexers for querying Arc blockchain data through APIs, sub-graphs, and real-time streams.
- [Node Providers](https://docs.arc.network/arc/tools/node-providers.md): Node providers for reliable RPC access, transaction submission, and data queries on Arc.
- [Access USDC Crosschain](https://docs.arc.network/arc/tutorials/access-usdc-crosschain.md): Learn how to create a unified USDC balance with Gateway and transfer to wallets on Gateway supported chains
- [Bridge USDC to Arc](https://docs.arc.network/arc/tutorials/bridge-usdc-to-arc.md): Learn how to bridge USDC to Arc via CCTP with Bridge Kit
- [Deploy contracts](https://docs.arc.network/arc/tutorials/deploy-contracts.md): Deploy pre-audited smart contract templates on Arc with Circle Contracts.
- [Deploy on Arc](https://docs.arc.network/arc/tutorials/deploy-on-arc.md): Learn how to deploy, test, and interact with a Solidity smart contract on the Arc Testnet.
- [Interact with contracts](https://docs.arc.network/arc/tutorials/interact-with-contracts.md): Execute contract functions on Arc Testnet to mint tokens, transfer assets, and perform contract operations.
- [Monitor contract events](https://docs.arc.network/arc/tutorials/monitor-contract-events.md): Track onchain activity by monitoring contract events.
- [Register Your First AI Agent](https://docs.arc.network/arc/tutorials/register-your-first-ai-agent.md): Register AI agents with onchain identity, build reputation, and verify credentials using ERC-8004 on Arc Testnet.
- [Transfer USDC or EURC](https://docs.arc.network/arc/tutorials/transfer-usdc-or-eurc.md): Learn how to transfer USDC or EURC from one wallet address to another

## Optional

- [Explorer](https://testnet.arcscan.app)
- [Faucet](https://faucet.circle.com)


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