# Arbitrum One

- **Chain ID:** `42161`
- **Tier:** live
- **Contracts:** 6

Native stablecoin and lending contracts on Arbitrum One.

> This is a live chain on Smarts. Contract pages can surface live on-chain state, recent activity, and governance.

## Query via AI agent

- **MCP endpoint:** `https://smarts.md/mcp`
- **Reference:** `chains/arbitrum`
- **Sample prompt:** "Show me the supported contracts on Arbitrum One and summarize the highest-signal ones."

## Contract breakdown

- **Token:** 4
- **Governance:** 1
- **Lending:** 1

## Contracts

- **USD Coin** (`Token`) - `0xaf88d065e77c8cc2239327c5edb3a432268e5831` - [canonical page](/cn/usdc-arbitrum)
- **Tether USD** (`Token`) - `0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9` - [canonical page](/cn/usdt-arbitrum)
- **Arbitrum** (`Governance`) - `0x912ce59144191c1204e64559fe8253a0e49e6548` - [canonical page](/cn/arb-arbitrum)
- **Aave V3 Pool** (`Lending`) - `0x794a61358d6845594f94dc1db02a252b5b4814ad` - [canonical page](/cn/aavev3-pool-arbitrum)
- **Wrapped Ether** (`Token`) - `0x82af49447d8a07e3bd95bd0d56f35241523fbab1`
- **Wrapped Bitcoin** (`Token`) - `0x2f2a2543b76a4166549f7aab2e75bef0aefc5b0f`

## Links

- Canonical page: <https://smarts.md/cn/chains/arbitrum>