diff --git a/betanets/jovian-beta/jovian-beta-0/chain.yaml b/betanets/jovian-beta/jovian-beta-0/chain.yaml
new file mode 100644
index 0000000..9209fd6
--- /dev/null
+++ b/betanets/jovian-beta/jovian-beta-0/chain.yaml
@@ -0,0 +1,48 @@
+name: "jovian-beta-0"
+chain_id: 420110019
+rpc_url: "https://jovian-beta-0.optimism.io"
+contracts:
+  superchainDeployment:
+    SuperchainProxyAdminImpl: "0xFf112a58983aD809EE998d6A7652988fC93228E8"
+    SuperchainConfigProxy: "0x1FdE152a794701A86B38f8f657E591C3c7979Cde"
+    SuperchainConfigImpl: "0xCe28685EB204186b557133766eCA00334EB441E4"
+    ProtocolVersionsProxy: "0x7D4486d47B4681FF3348fD2eB2165A25b2f4463e"
+    ProtocolVersionsImpl: "0x37E15e4d6DFFa9e5E320Ee1eC036922E563CB76C"
+  opChainDeployment:
+    OpChainProxyAdminImpl: "0x91FF872712E3C815ea1E02938A3ED7b5Ce960827"
+    OptimismPortalProxy: "0xF3e5cb8929bd83647541CCF1f30C2420A56B418b"
+    AddressManagerImpl: "0xAEFea54C3672957fB327C875242D9d0C49052Cc1"
+    L1Erc721BridgeProxy: "0x2F81293Ef32b3248b52B2E749688BFd01783FDcA"
+    SystemConfigProxy: "0x12D8E713219822F50961f35b241Ac4a6A2487DeE"
+    OptimismMintableErc20FactoryProxy: "0x6eE3Ba427523731dFb29246BE2Ea1c040cBD337c"
+    L1StandardBridgeProxy: "0x7Ba1F9CD4C13C9a4f0D092BA2BC25fEE0A94Ab93"
+    L1CrossDomainMessengerProxy: "0xc63B2d4D8312841a75e186C548206b0c1c903404"
+    EthLockboxProxy: "0xBC9fC8da4e6AC920F32b994283E0b44f42FaE328"
+    DisputeGameFactoryProxy: "0x53cDc9Ff1cCFc9Ef8EC1bf89e47f8778E2ECc2Ef"
+    AnchorStateRegistryProxy: "0xe2eBEC0c8778f5A632f7102dc0643656cB53EF17"
+    FaultDisputeGameImpl: "0x0000000000000000000000000000000000000000"
+    PermissionedDisputeGameImpl: "0xC9614bCdFDbF5E77FC3aa5E7aD928F973d28e857"
+    DelayedWethPermissionedGameProxy: "0x7F176c3FeE7D76679710A554816046e872651139"
+    DelayedWethPermissionlessGameProxy: "0x0000000000000000000000000000000000000000"
+    AltDAChallengeProxy: "0x0000000000000000000000000000000000000000"
+    AltDAChallengeImpl: "0x0000000000000000000000000000000000000000"
+    L2OutputOracleProxy: "0x0000000000000000000000000000000000000000"
+  implementationsDeployment:
+    OpcmImpl: "0xCe3449bE43E454B8FD9e8c5c78e7d2dBbbcc5532"
+    OpcmContractsContainerImpl: "0x0000000000000000000000000000000000000000"
+    OpcmGameTypeAdderImpl: "0x721bB337577cb1d5cE8F546dbd8F2E23d2E0b251"
+    OpcmDeployerImpl: "0x5437B18b3Be1E70737731Fce2EE76fc2329dae3a"
+    OpcmUpgraderImpl: "0xF0B65D6a9F2B96D5692e22e0D3A5B143b7B98152"
+    OpcmInteropMigratorImpl: "0xF50EE8e05C7Fd2d2b054469898B6aD64D7dC3966"
+    DelayedWethImpl: "0x33Dadc2d1aA9BB613A7AE6B28425eA00D44c6998"
+    OptimismPortalImpl: "0x381E729FF983FA4BCEd820e7b922d79bF653B999"
+    EthLockboxImpl: "0x784d2F03593A42A6E4676A012762F18775ecbBe6"
+    PreimageOracleImpl: "0x1fb8cdFc6831fc866Ed9C51aF8817Da5c287aDD3"
+    MipsImpl: "0x07BABE08EE4D07dBA236530183B24055535A7011"
+    SystemConfigImpl: "0x2bFE4A5Bd5A41e9d848d843ebCDFa15954e9A557"
+    L1CrossDomainMessengerImpl: "0x22D12E0FAebD62d429514A65EBAe32dd316c12D6"
+    L1Erc721BridgeImpl: "0x7f1d12fB2911EB095278085f721e644C1f675696"
+    L1StandardBridgeImpl: "0xe32B192fb1DcA88fCB1C56B3ACb429e32238aDCb"
+    OptimismMintableErc20FactoryImpl: "0x5493f4677A186f64805fe7317D6993ba4863988F"
+    DisputeGameFactoryImpl: "0x33D1e8571a85a538ed3D5A4d88f46C112383439D"
+    AnchorStateRegistryImpl: "0xeb69cC681E8D4a557b30DFFBAd85aFfD47a2CF2E"
diff --git a/betanets/jovian-beta/jovian-beta-1/chain.yaml b/betanets/jovian-beta/jovian-beta-1/chain.yaml
new file mode 100644
index 0000000..a1798e0
--- /dev/null
+++ b/betanets/jovian-beta/jovian-beta-1/chain.yaml
@@ -0,0 +1,48 @@
+name: "jovian-beta-1"
+chain_id: 420110020
+rpc_url: "https://jovian-beta-1.optimism.io"
+contracts:
+  superchainDeployment:
+    SuperchainProxyAdminImpl: "0xFf112a58983aD809EE998d6A7652988fC93228E8"
+    SuperchainConfigProxy: "0x1FdE152a794701A86B38f8f657E591C3c7979Cde"
+    SuperchainConfigImpl: "0xCe28685EB204186b557133766eCA00334EB441E4"
+    ProtocolVersionsProxy: "0x7D4486d47B4681FF3348fD2eB2165A25b2f4463e"
+    ProtocolVersionsImpl: "0x37E15e4d6DFFa9e5E320Ee1eC036922E563CB76C"
+  opChainDeployment:
+    OpChainProxyAdminImpl: "0xD3BceD84b87EB1b9CDE6e3DC8BB0F31DF60Aedfa"
+    OptimismPortalProxy: "0x4F90cc80Cfc548Bc68cD51c5B356EB6FCF534900"
+    AddressManagerImpl: "0xb2B2E1054740F728DE38C1b70Dc409e4146120a9"
+    L1Erc721BridgeProxy: "0x23AFFd81d4703E49190822C34d30d4e55Bb28576"
+    SystemConfigProxy: "0xC3D20BB0f9214F4826b2A056E91897d60864761D"
+    OptimismMintableErc20FactoryProxy: "0x37e53E20B264Db5Dd8Ce9fdC70ddbDF395D94738"
+    L1StandardBridgeProxy: "0x83849d0D8C28E21dF2CD3CabeB0606A4CfdcEf78"
+    L1CrossDomainMessengerProxy: "0x7f7e26678A7E51cf0FAfB6DcEd50cB40a65F916D"
+    EthLockboxProxy: "0xfac43B13e8cCa253Bb5283F92ceE17D9EB03993E"
+    DisputeGameFactoryProxy: "0xA9cd08DAE9fAFc23E8d41344c99e8A95936A03DA"
+    AnchorStateRegistryProxy: "0x94CD9C68C19c078a049caFE75Fe29A6B6500ebDe"
+    FaultDisputeGameImpl: "0x0000000000000000000000000000000000000000"
+    PermissionedDisputeGameImpl: "0x3dE365547c9D4A77DD552C5C6e6F45Ee3D8A07a3"
+    DelayedWethPermissionedGameProxy: "0x188347eA1Fd71ea98E274Fa01179bb7751959609"
+    DelayedWethPermissionlessGameProxy: "0x0000000000000000000000000000000000000000"
+    AltDAChallengeProxy: "0x0000000000000000000000000000000000000000"
+    AltDAChallengeImpl: "0x0000000000000000000000000000000000000000"
+    L2OutputOracleProxy: "0x0000000000000000000000000000000000000000"
+  implementationsDeployment:
+    OpcmImpl: "0xCe3449bE43E454B8FD9e8c5c78e7d2dBbbcc5532"
+    OpcmContractsContainerImpl: "0x0000000000000000000000000000000000000000"
+    OpcmGameTypeAdderImpl: "0x721bB337577cb1d5cE8F546dbd8F2E23d2E0b251"
+    OpcmDeployerImpl: "0x5437B18b3Be1E70737731Fce2EE76fc2329dae3a"
+    OpcmUpgraderImpl: "0xF0B65D6a9F2B96D5692e22e0D3A5B143b7B98152"
+    OpcmInteropMigratorImpl: "0xF50EE8e05C7Fd2d2b054469898B6aD64D7dC3966"
+    DelayedWethImpl: "0x33Dadc2d1aA9BB613A7AE6B28425eA00D44c6998"
+    OptimismPortalImpl: "0x381E729FF983FA4BCEd820e7b922d79bF653B999"
+    EthLockboxImpl: "0x784d2F03593A42A6E4676A012762F18775ecbBe6"
+    PreimageOracleImpl: "0x1fb8cdFc6831fc866Ed9C51aF8817Da5c287aDD3"
+    MipsImpl: "0x07BABE08EE4D07dBA236530183B24055535A7011"
+    SystemConfigImpl: "0x2bFE4A5Bd5A41e9d848d843ebCDFa15954e9A557"
+    L1CrossDomainMessengerImpl: "0x22D12E0FAebD62d429514A65EBAe32dd316c12D6"
+    L1Erc721BridgeImpl: "0x7f1d12fB2911EB095278085f721e644C1f675696"
+    L1StandardBridgeImpl: "0xe32B192fb1DcA88fCB1C56B3ACb429e32238aDCb"
+    OptimismMintableErc20FactoryImpl: "0x5493f4677A186f64805fe7317D6993ba4863988F"
+    DisputeGameFactoryImpl: "0x33D1e8571a85a538ed3D5A4d88f46C112383439D"
+    AnchorStateRegistryImpl: "0xeb69cC681E8D4a557b30DFFBAd85aFfD47a2CF2E"