Testnet Information

The Tokamak Foundation runs the Thanos Sepolia testnet. The following details will help you access the test network.

Thanos Sepolia

Parameter	value
Network Name	Thanos Sepolia
Description	L2 testnet based on Tokamak OP with Sepolia testnet as L1, uses the TON token as its native token.
Chain ID	111551119090 (add our network from chainlist)
Endpoints (http)	https://rpc.thanos-sepolia.tokamak.network
Endpoints (wss)	wss://rpc.thanos-sepolia.tokamak.network
Explorer	https://explorer.thanos-sepolia.tokamak.network

L1 Contracts

Contract Name	Ethereum Sepolia Network
L1CrossDomainMessenger	0x9D28a920206281B4a56AEf8bC1c515Cc4C656d3f
L1ERC721Bridge	0x3A81019F1469dc1AEFA2D6bBd8F76296C9601C6A
L1StandardBridge	0x385076516318551d566CAaE5EC59c23fe09cbF65
L2OutputOracle	0xaB8A5Ac696675D65D09E24C2876Aa8a7e1Af5640
OptimismMintableERC20Factory	0x27C11f8c68ABD65885D23a4a8862E14115335fb0
OptimismPortal	0x7b6db1316e22167b56211cDDC33431098BaBC3c2
ProxyAdmin	0xe9394e68A2201fcb0582F8881EaE8B462Dc84382
SystemConfig	0xB8209Cc81f0A8Ccdb09238bB1313A039e6BFf741
AddressManager	0xd9Ada4AE23bFA230351D1D14a561525D77Eb15Eb
L1UsdcBridge	0xE390EE020Afb7F8e4A2Dc44a71088db2acd72CF3

Tokens

There are two WTON tokens, each with different functions depending on the layer.

Check the link for details.

Name	Symbol	Type	Thanos Sepolia Network	Name
Ether	ETH	NativeToken	0x4200000000000000000000000000000000000486	Ether
Tokamak Network Token	TON	Tokamak NativeToken	0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000	TON
Wrapped TON	WTON	Tokamak Ecosystem	Not supported on L2	WTON
Wrapped Tokamak Network Token	WTON	Tokamak Ecosystem	0x4200000000000000000000000000000000000006
Bridged USDC (Tokamak Network)	USDC	Stable Coin	0x4200000000000000000000000000000000000778	USDC
Tether USD	USDT	Stable Coin	0x17db5e789eca4cd8dc45a310a4c5de45e47437ac	USDT

Predeploy

Thanos

Contract Name	Thanos Sepolia Network
L1Block	0x4200000000000000000000000000000000000015
L1BlockNumber	0x4200000000000000000000000000000000000013
L2ToL1MessagePasser	0x4200000000000000000000000000000000000016
L2CrossDomainMessenger	0x4200000000000000000000000000000000000007
L2StandardBridge	0x4200000000000000000000000000000000000010
L2ERC721Bridge	0x4200000000000000000000000000000000000014
SequencerFeeVault	0x4200000000000000000000000000000000000011
OptimismMintableERC20Factory	0x4200000000000000000000000000000000000012
WNativeToken (WTON)	0x4200000000000000000000000000000000000006
GasPriceOracle	0x420000000000000000000000000000000000000F
ProxyAdmin	0x4200000000000000000000000000000000000018
ETH	0x4200000000000000000000000000000000000486
LegacyERC20NativeToken	0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000

USDC Bridge

Contract Name	Thanos Sepolia Network
L2UsdcBridge	0x4200000000000000000000000000000000000775
SignatureChecker	0x4200000000000000000000000000000000000776
MasterMinter	0x4200000000000000000000000000000000000777
FiatTokenV2_2 (USDC)	0x4200000000000000000000000000000000000778

UniswapV3

Contract Name	Thanos Sepolia Network
QuoterV2	0x4200000000000000000000000000000000000500
SwapRouter02	0x4200000000000000000000000000000000000501
UniswapV3Factory	0x4200000000000000000000000000000000000502
NFTDescriptor	0x4200000000000000000000000000000000000503
NonfungiblePositionManager	0x4200000000000000000000000000000000000504
NonfungibleTokenPositionDescriptor	0x4200000000000000000000000000000000000505
TickLens	0x4200000000000000000000000000000000000506
UniswapInterfaceMulticall	0x4200000000000000000000000000000000000507
UniversalRouter	0x4200000000000000000000000000000000000508
UnsupportedProtocol	0x4200000000000000000000000000000000000509