# Smart Contracts

You can use the following contract addresses to integrate with USYC.

For Binance (BSC), you can use the Cross Chain Teller to subscribe and redeem native USYC from Ethereum.

## Mainnet

<table><thead><tr><th width="114.28515625">Chain</th><th width="228.51692708333331">Contract</th><th>Address</th></tr></thead><tbody><tr><td>Ethereum</td><td>USYC ERC20 Token</td><td>0x136471a34f6ef19fE571EFFC1CA711fdb8E49f2b</td></tr><tr><td>Ethereum</td><td>Teller (USDC)</td><td>0xeE35F963BFC71b51eC95147f26c030D674ea30e6</td></tr><tr><td>Ethereum</td><td>Cross Chain Teller (USDC)</td><td>0x5dbeCcECEbCdC2ce3258f6E638373d2923560c7d</td></tr><tr><td>Ethereum</td><td>Oracle</td><td>0x74f2199AEb743f68f05943e5715A33EaF2b61f53</td></tr><tr><td>Ethereum</td><td>Entitlements</td><td>0x902D906b8d988092213bE799B18Bd2cbd64F808C</td></tr><tr><td>BSC</td><td>USYC BEP20 Token</td><td>0x8D0fA28f221eB5735BC71d3a0Da67EE5bC821311</td></tr><tr><td>BSC</td><td>Cross Chain Teller (USDC)</td><td>0xf38979E05650be7926EA07BB59C48Fb9b1DB3D08</td></tr><tr><td>BSC</td><td>Entitlements</td><td>0x6B7d54003f73bE979cf92BF369432aC534853692</td></tr><tr><td>Solana</td><td>USYC SPL22 Token</td><td>7LWanZteUKtvFjv4MHYgKXXdAuCQYFPJysL9pxxdRQGn</td></tr><tr><td>Solana</td><td>Teller (USDC) and Permissions</td><td>EMfvuBR8rre2f7sNqdDyPzQW7kgBUsVtxg7nX93YwAdm</td></tr></tbody></table>

## Testnet

<table><thead><tr><th width="125.1640625">Chain</th><th width="245.45442708333331">Contract</th><th>Address</th></tr></thead><tbody><tr><td>Sepolia</td><td>USYC ERC20 Token</td><td>0x38D3A3f8717F4DB1CcB4Ad7D8C755919440848A3</td></tr><tr><td>Sepolia</td><td>Teller (USDC)</td><td>0x96424C885951ceb4B79fecb934eD857999e6f82B</td></tr><tr><td>Sepolia</td><td>Cross Chain Teller (USDC)</td><td>0x06eFF53Db53a760a8BAfAD0E0E229b90Fb8bAA11</td></tr><tr><td>Sepolia</td><td>Oracle</td><td>0x48c9E02E09d03E448673166d29691ECdEf56526F</td></tr><tr><td>Sepolia</td><td>Entitlements</td><td>0x7f44c5F5551ed651F7298367Ee51f1CBa608571b</td></tr><tr><td>Arc Testnet</td><td>USYC ERC20 Token</td><td>0xe9185F0c5F296Ed1797AaE4238D26CCaBEadb86C</td></tr><tr><td>Arc Testnet</td><td>Teller (USDC)</td><td>0x9fdF14c5B14173D74C08Af27AebFf39240dC105A</td></tr><tr><td>Arc Testnet</td><td>Oracle</td><td>0x52b56c7642E71dc54714d879127d97cd0B3D4581</td></tr><tr><td>Arc Testnet</td><td>Entitlements</td><td>0xcc205224862c7641930c87679e98999d23c26113</td></tr><tr><td>BSC Testnet</td><td>USYC BEP20 Token</td><td>0x109656Aba6F175c634c63C9874f29CeAAAB8E606</td></tr><tr><td>BSC Testnet</td><td>Cross Chain Teller (USDC)</td><td>0xc8ad161a7B8577fbBD5529b43d8a06CD8890b879</td></tr><tr><td>BSC Testnet</td><td>Entitlements</td><td>0x7860a6A8281eD687DcbAb942735F2be89Bcd4aE0</td></tr><tr><td>Solana Devnet</td><td>USYC SPL22 Token</td><td>7WkaBNxz6jpJWGLPNFNsUbuVH8iQ2FxBooMak6itUMWb</td></tr><tr><td>Solana Devnet</td><td>Teller (USDC) and Permissions</td><td>8FZQeFy39fNK47ebUd7aUWoK1rLgJ7fsteWev3FPP1Aw</td></tr></tbody></table>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://usyc.docs.hashnote.com/overview/smart-contracts.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
