# 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>