# Testnet Information

{% hint style="info" %}
The Tokamak Foundation runs the Thanos Sepolia testnet. The following details will help you access the test network.
{% endhint %}

## Thanos Sepolia

<table><thead><tr><th width="207">Parameter</th><th>value</th></tr></thead><tbody><tr><td>Network Name</td><td>Thanos Sepolia</td></tr><tr><td>Description</td><td><p>L2 testnet based on Tokamak OP with Sepolia testnet as L1, </p><p>uses the TON token as its native token.</p></td></tr><tr><td>Chain ID</td><td>111551119090  (add our network from <a href="https://chainlist.org/?search=Thanos+Sepolia">chainlist</a>)</td></tr><tr><td>Endpoints (http)</td><td>https://rpc.thanos-sepolia.tokamak.network</td></tr><tr><td>Endpoints (wss)</td><td>wss://rpc.thanos-sepolia.tokamak.network</td></tr><tr><td>Explorer</td><td><a href="https://explorer.thanos-sepolia.tokamak.network">https://explorer.thanos-sepolia.tokamak.network</a></td></tr></tbody></table>

## L1 Contracts

<table><thead><tr><th width="311">Contract Name</th><th>Ethereum Sepolia Network</th></tr></thead><tbody><tr><td>L1CrossDomainMessenger</td><td><a href="https://sepolia.etherscan.io/address/0x9D28a920206281B4a56AEf8bC1c515Cc4C656d3f#code">0x9D28a920206281B4a56AEf8bC1c515Cc4C656d3f</a></td></tr><tr><td>L1ERC721Bridge</td><td><a href="https://sepolia.etherscan.io/address/0x3A81019F1469dc1AEFA2D6bBd8F76296C9601C6A">0x3A81019F1469dc1AEFA2D6bBd8F76296C9601C6A</a></td></tr><tr><td>L1StandardBridge</td><td><a href="https://sepolia.etherscan.io/address/0x385076516318551d566CAaE5EC59c23fe09cbF65">0x385076516318551d566CAaE5EC59c23fe09cbF65</a></td></tr><tr><td>L2OutputOracle</td><td><a href="https://sepolia.etherscan.io/address/0xaB8A5Ac696675D65D09E24C2876Aa8a7e1Af5640">0xaB8A5Ac696675D65D09E24C2876Aa8a7e1Af5640</a></td></tr><tr><td>OptimismMintableERC20Factory</td><td><a href="https://sepolia.etherscan.io/address/0x27C11f8c68ABD65885D23a4a8862E14115335fb0">0x27C11f8c68ABD65885D23a4a8862E14115335fb0</a></td></tr><tr><td>OptimismPortal</td><td><a href="https://sepolia.etherscan.io/address/0x7b6db1316e22167b56211cDDC33431098BaBC3c2">0x7b6db1316e22167b56211cDDC33431098BaBC3c2</a></td></tr><tr><td>ProxyAdmin</td><td><a href="https://sepolia.etherscan.io/address/0xe9394e68A2201fcb0582F8881EaE8B462Dc84382">0xe9394e68A2201fcb0582F8881EaE8B462Dc84382</a></td></tr><tr><td>SystemConfig</td><td><a href="https://sepolia.etherscan.io/address/0xB8209Cc81f0A8Ccdb09238bB1313A039e6BFf741">0xB8209Cc81f0A8Ccdb09238bB1313A039e6BFf741</a></td></tr><tr><td>AddressManager</td><td><a href="https://sepolia.etherscan.io/address/0xd9Ada4AE23bFA230351D1D14a561525D77Eb15Eb">0xd9Ada4AE23bFA230351D1D14a561525D77Eb15Eb</a></td></tr><tr><td>L1UsdcBridge</td><td><a href="https://sepolia.etherscan.io/address/0xE390EE020Afb7F8e4A2Dc44a71088db2acd72CF3">0xE390EE020Afb7F8e4A2Dc44a71088db2acd72CF3</a></td></tr></tbody></table>

## Tokens

{% hint style="warning" %}
There are two **WTON** tokens, each with different functions depending on the layer.&#x20;

Check the link for details.
{% endhint %}

<table><thead><tr><th width="469">Name</th><th width="80">Symbol</th><th width="123">Type</th><th width="425">Thanos Sepolia Network</th><th>Name</th><th data-hidden>Ethereum Sepolia Network</th></tr></thead><tbody><tr><td>Ether</td><td>ETH</td><td>NativeToken</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/token/0x4200000000000000000000000000000000000486">0x4200000000000000000000</a><a href="https://explorer.thanos-sepolia.tokamak.network/token/0x4200000000000000000000000000000000000486">000000000000000486</a></td><td>Ether</td><td><a href="https://sepolia.etherscan.io/address/0x0000000000000000000000000000000000000000">0x000000000000000000000</a><a href="https://sepolia.etherscan.io/address/0x0000000000000000000000000000000000000000">0</a><a href="https://sepolia.etherscan.io/address/0x0000000000000000000000000000000000000000">000000000000000000</a></td></tr><tr><td>Tokamak Network Token</td><td>TON</td><td>Tokamak  NativeToken</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000?tab=contract">0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000</a></td><td>TON</td><td><a href="https://sepolia.etherscan.io/address/0xa30fe40285b8f5c0457dbc3b7c8a280373c40044">0xa30fe40285B8f5c0457DbC</a><a href="https://sepolia.etherscan.io/address/0xa30fe40285b8f5c0457dbc3b7c8a280373c40044">3B7C8A280373c40044</a></td></tr><tr><td>Wrapped TON </td><td>WTON</td><td>Tokamak  Ecosystem</td><td>Not supported on L2</td><td>WTON</td><td><a href="https://sepolia.etherscan.io/token/0x79e0d92670106c85e9067b56b8f674340dca0bbd">0x79e0d92670106c85e9067b</a><a href="https://sepolia.etherscan.io/token/0x79e0d92670106c85e9067b56b8f674340dca0bbd">56b8f674340dca0bbd</a></td></tr><tr><td>Wrapped Tokamak Network Token</td><td>WTON</td><td>Tokamak  Ecosystem</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/token/0x4200000000000000000000000000000000000006">0x4200000000000000000000</a><a href="https://explorer.thanos-sepolia.tokamak.network/token/0x4200000000000000000000000000000000000006">000000000000000006</a></td><td></td><td>Not supported on L1</td></tr><tr><td>Bridged USDC (Tokamak Network)</td><td>USDC</td><td>Stable Coin</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000778">0x4200000000000000000000</a><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000778">000000000000000778</a></td><td>USDC</td><td><a href="https://sepolia.etherscan.io/address/0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238">0x1c7D4B196Cb0C7B01d743F</a><a href="https://sepolia.etherscan.io/address/0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238">bc6116a902379C7238</a></td></tr><tr><td>Tether USD</td><td>USDT</td><td>Stable Coin</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x17db5e789eca4cd8dc45a310a4c5de45e47437ac">0x17db5e789eca4cd8dc45a3</a><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x17db5e789eca4cd8dc45a310a4c5de45e47437ac">10a4c5de45e47437ac</a></td><td>USDT</td><td><a href="https://sepolia.etherscan.io/address/0x42d3b260c761cd5da022db56fe2f89c4a909b04a">0x42d3b260c761cd5da022db</a><a href="https://sepolia.etherscan.io/address/0x42d3b260c761cd5da022db56fe2f89c4a909b04a">56fe2f89c4a909b04a</a></td></tr></tbody></table>

## Predeploy

### Thanos

<table><thead><tr><th width="368">Contract Name</th><th width="712">Thanos Sepolia Network</th></tr></thead><tbody><tr><td>L1Block</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000015">0x4200000000000000000000000000000000000015</a></td></tr><tr><td>L1BlockNumber</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000013">0x4200000000000000000000000000000000000013</a></td></tr><tr><td>L2ToL1MessagePasser</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000016">0x4200000000000000000000000000000000000016</a></td></tr><tr><td>L2CrossDomainMessenger</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000007">0x4200000000000000000000000000000000000007</a></td></tr><tr><td>L2StandardBridge</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000010">0x4200000000000000000000000000000000000010</a></td></tr><tr><td>L2ERC721Bridge</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000014">0x4200000000000000000000000000000000000014</a></td></tr><tr><td>SequencerFeeVault</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000011">0x4200000000000000000000000000000000000011</a></td></tr><tr><td>OptimismMintableERC20Factory</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000012">0x4200000000000000000000000000000000000012</a></td></tr><tr><td>WNativeToken (WTON)</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000006">0x4200000000000000000000000000000000000006</a></td></tr><tr><td>GasPriceOracle</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x420000000000000000000000000000000000000F">0x420000000000000000000000000000000000000F</a></td></tr><tr><td>ProxyAdmin</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000018">0x4200000000000000000000000000000000000018</a></td></tr><tr><td>ETH</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000486">0x4200000000000000000000000000000000000486</a></td></tr><tr><td>LegacyERC20NativeToken</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000">0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000</a></td></tr></tbody></table>

### USDC Bridge

<table><thead><tr><th width="263">Contract Name</th><th>Thanos Sepolia Network</th></tr></thead><tbody><tr><td>L2UsdcBridge</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000775">0x4200000000000000000000000000000000000775</a></td></tr><tr><td>SignatureChecker</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000776">0x4200000000000000000000000000000000000776</a></td></tr><tr><td>MasterMinter</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000777">0x4200000000000000000000000000000000000777</a></td></tr><tr><td>FiatTokenV2_2 (USDC)</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000778">0x4200000000000000000000000000000000000778</a></td></tr></tbody></table>

### UniswapV3

<table><thead><tr><th width="297">Contract Name</th><th>Thanos Sepolia Network</th></tr></thead><tbody><tr><td>QuoterV2</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000500">0x4200000000000000000000000000000000000500</a></td></tr><tr><td>SwapRouter02</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000501">0x4200000000000000000000000000000000000501</a></td></tr><tr><td>UniswapV3Factory</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000502">0x4200000000000000000000000000000000000502</a></td></tr><tr><td>NFTDescriptor</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000503">0x4200000000000000000000000000000000000503</a></td></tr><tr><td>NonfungiblePositionManager</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000504">0x4200000000000000000000000000000000000504</a></td></tr><tr><td>NonfungibleTokenPositionDescriptor</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000505">0x4200000000000000000000000000000000000505</a></td></tr><tr><td>TickLens</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000506">0x4200000000000000000000000000000000000506</a></td></tr><tr><td>UniswapInterfaceMulticall</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000507">0x4200000000000000000000000000000000000507</a></td></tr><tr><td>UniversalRouter</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000508">0x4200000000000000000000000000000000000508</a></td></tr><tr><td>UnsupportedProtocol</td><td><a href="https://explorer.thanos-sepolia.tokamak.network/address/0x4200000000000000000000000000000000000509">0x4200000000000000000000000000000000000509</a></td></tr></tbody></table>