> For the complete documentation index, see [llms.txt](https://docs.untrading.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.untrading.org/official-addresses/official-addresses.md).

# Official Addresses

## Official Website

<table><thead><tr><th width="235">Description</th><th>URL</th></tr></thead><tbody><tr><td>Untrading App</td><td><a href="https://untrading.org">https://untrading.org</a></td></tr></tbody></table>

## UN Token Contracts

<table><thead><tr><th width="234">Network</th><th>Contract Address</th></tr></thead><tbody><tr><td>Ethereum Mainnet</td><td><a href="https://etherscan.io/token/0x70Ce4F7f2487EF4427365eb57BbD1fAE2807c1f1">0x70Ce4F7f2487EF4427365eb57BbD1fAE2807c1f1</a></td></tr><tr><td>Arbitrum One</td><td><a href="https://arbiscan.io/token/0xa4336ddfe88712e3211384df631f5afa38b65eaf">0xa4336ddfe88712e3211384df631f5afa38b65eaf</a></td></tr></tbody></table>

## Arbitrum Deployment

### Whitelisted Token Contracts on Arbitrum

The following token contracts are officially supported for wrapping on the Untrading app on Arbitrum:

<table><thead><tr><th width="237">ERC-20 Token</th><th>Contract Address</th></tr></thead><tbody><tr><td>WBTC</td><td><a href="https://arbiscan.io/address/0x2f2a2543b76a4166549f7aab2e75bef0aefc5b0f">0x2f2a2543b76a4166549f7aab2e75bef0aefc5b0f</a></td></tr><tr><td>WETH</td><td><a href="https://arbiscan.io/address/0x82af49447d8a07e3bd95bd0d56f35241523fbab1">0x82af49447d8a07e3bd95bd0d56f35241523fbab1</a></td></tr><tr><td>LINK</td><td><a href="https://arbiscan.io/address/0xf97f4df75117a78c1a5a0dbb814af92458539fb4">0xf97f4df75117a78c1a5a0dbb814af92458539fb4</a></td></tr><tr><td>UNI</td><td><a href="https://arbiscan.io/address/0xfa7f8980b0f1e64a2062791cc3b0871572f1f7f0">0xfa7f8980b0f1e64a2062791cc3b0871572f1f7f0</a></td></tr><tr><td>UN</td><td><a href="https://arbiscan.io/address/0xa4336ddfe88712e3211384df631f5afa38b65eaf">0xa4336ddfe88712e3211384df631f5afa38b65eaf</a></td></tr></tbody></table>

### Official unCrypto Token Contracts on Arbitrum

The following token contracts are official ERC-5173 tokens on the Untrading app on Arbitrum:

<table><thead><tr><th width="244">ERC-5173 Token</th><th>Contract Address</th></tr></thead><tbody><tr><td>unBTC</td><td><a href="https://arbiscan.io/address/0xC7a6bb975bD275b27e5B2D4f5568BdD0F9c0A0bb">0xC7a6bb975bD275b27e5B2D4f5568BdD0F9c0A0bb</a></td></tr><tr><td>unETH</td><td><a href="https://arbiscan.io/address/0xB2E1BeB4e0da601176eD04738d4C2f657C5e4148">0xB2E1BeB4e0da601176eD04738d4C2f657C5e4148</a></td></tr><tr><td>unLINK</td><td><a href="https://arbiscan.io/address/0x81e0A3ddfb5CD0dc6F39588bB3F6eD7Be61eC8aa">0x81e0A3ddfb5CD0dc6F39588bB3F6eD7Be61eC8aa</a></td></tr><tr><td>unUNI</td><td><a href="https://arbiscan.io/address/0xBd7De4d0143aDaAFD83317674A6809B59C017e00">0xBd7De4d0143aDaAFD83317674A6809B59C017e00</a></td></tr><tr><td>UN²</td><td><a href="https://arbiscan.io/address/0x3E86C64c22273D834e17e3B49d796DEc2F7A153E">0x3E86C64c22273D834e17e3B49d796DEc2F7A153E</a></td></tr></tbody></table>

### Payment Tokens on Arbitrum

The following stable coin tokenss are supported on the Untrading app on Arbitrum:

<table><thead><tr><th width="248">ERC-20 Token</th><th>Contract Address</th></tr></thead><tbody><tr><td>USDT</td><td><a href="https://arbiscan.io/token/0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9">0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9</a></td></tr><tr><td>USDC</td><td><a href="https://arbiscan.io/token/0xaf88d065e77c8cc2239327c5edb3a432268e5831">0xaf88d065e77c8cc2239327c5edb3a432268e5831</a></td></tr></tbody></table>

Always double-check these addresses against official Untrading communications and trusted sources. If you're unsure about an address, please contact our support team for verification.

Note: This list may be updated periodically as new tokens are added or removed from the whitelist. Please check back regularly for the most up-to-date information.