diff --git a/src/common/WalletBalances.vue b/src/common/WalletBalances.vue
index 56f91fc..33f78a1 100644
--- a/src/common/WalletBalances.vue
+++ b/src/common/WalletBalances.vue
@@ -65,13 +65,13 @@ type Balance = {
 const { contractWithProvider: stEth } = useContract(
   'ERC20__factory',
   config.STETH_CONTRACT_ADDRESS,
-  !config.IS_TESTNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
+  config.IS_MAINNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
 )
 
 const { contractWithProvider: mor } = useContract(
   'ERC20__factory',
   config.MOR_CONTRACT_ADDRESS,
-  !config.IS_TESTNET
+  config.IS_MAINNET
     ? ETHEREUM_RPC_URLS.arbitrum
     : ETHEREUM_RPC_URLS.arbitrumSepolia,
 )
diff --git a/src/common/modals/compositions/ClaimModal.vue b/src/common/modals/compositions/ClaimModal.vue
index a307dd3..d98dad6 100644
--- a/src/common/modals/compositions/ClaimModal.vue
+++ b/src/common/modals/compositions/ClaimModal.vue
@@ -80,6 +80,7 @@ const claim = async (): Promise<void> => {
       props.poolId,
       web3ProvidersStore.provider.selectedAddress,
       {
+        // TODO: estimate by LayerZero
         value: parseUnits('0.02', 'ether'),
       },
     )
diff --git a/src/common/modals/compositions/InvalidNetworkModal.vue b/src/common/modals/compositions/InvalidNetworkModal.vue
index 823e6a6..785cd3a 100644
--- a/src/common/modals/compositions/InvalidNetworkModal.vue
+++ b/src/common/modals/compositions/InvalidNetworkModal.vue
@@ -8,7 +8,7 @@
   >
     <div class="invalid-network-modal__board">
       <div
-        v-for="network in config.IS_TESTNET ? testNetworks : mainNetworks"
+        v-for="network in config.IS_MAINNET ? mainNetworks : testNetworks"
         :key="network.title"
         class="invalid-network-modal__network-wrp"
       >
@@ -89,7 +89,7 @@ const testNetworks: Network[] = [
 const switchNetwork = async () => {
   try {
     await web3ProvidersStore.provider.selectChain(
-      !config.IS_TESTNET
+      config.IS_MAINNET
         ? ETHEREUM_CHAINS.arbitrum
         : ETHEREUM_CHAINS.arbitrumSepolia,
     )
diff --git a/src/config.ts b/src/config.ts
index ebd8780..c104152 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -10,12 +10,11 @@ export const config = {
     .VITE_APP_ERC1967_PROXY_CONTRACT_ADDRESS,
   STETH_CONTRACT_ADDRESS: import.meta.env.VITE_APP_STETH_CONTRACT_ADDRESS,
   MOR_CONTRACT_ADDRESS: import.meta.env.VITE_APP_MOR_CONTRACT_ADDRESS,
-  IS_TESTNET: import.meta.env.VITE_APP_IS_TESTNET === 'true',
+  IS_MAINNET: import.meta.env.VITE_APP_IS_MAINNET === 'true',
   LOG_LEVEL: 'trace' as LogLevelDesc,
   BUILD_VERSION: packageJson.version || import.meta.env.VITE_BUILD_VERSION,
 } as const
 
-Object.assign(config, _mapEnvCfg(import.meta.env))
 Object.assign(config, _mapEnvCfg(document.ENV))
 
 function _mapEnvCfg(env: ImportMetaEnv | typeof document.ENV): {
diff --git a/src/enums/chains.enum.ts b/src/enums/chains.enum.ts
index dccc49a..1f0263e 100644
--- a/src/enums/chains.enum.ts
+++ b/src/enums/chains.enum.ts
@@ -6,7 +6,7 @@ export enum ETHEREUM_CHAINS {
 }
 
 export enum ETHEREUM_RPC_URLS {
-  ethereum = 'https://mainnet.infura.io/v3/',
+  ethereum = 'https://ethereum.publicnode.com',
   sepolia = 'https://rpc.sepolia.org/',
   arbitrum = 'https://arb1.arbitrum.io/rpc',
   arbitrumSepolia = 'https://sepolia-rollup.arbitrum.io/rpc',
diff --git a/src/env.d.ts b/src/env.d.ts
index 4e96035..7f6bce3 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -20,7 +20,7 @@ interface ImportMetaEnv {
   VITE_APP_ERC1967_PROXY_CONTRACT_ADDRESS: string
   VITE_APP_STETH_CONTRACT_ADDRESS: string
   VITE_APP_MOR_CONTRACT_ADDRESS: string
-  VITE_APP_IS_TESTNET: string
+  VITE_APP_IS_MAINNET: string
 }
 
 declare global {
diff --git a/src/forms/DepositForm.vue b/src/forms/DepositForm.vue
index 7805197..e0f8cfa 100644
--- a/src/forms/DepositForm.vue
+++ b/src/forms/DepositForm.vue
@@ -98,7 +98,7 @@ const { contractWithSigner: erc1967Proxy } = useContract(
 const { contractWithProvider: stEthWithProvider } = useContract(
   'ERC20__factory',
   config.STETH_CONTRACT_ADDRESS,
-  !config.IS_TESTNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
+  config.IS_MAINNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
 )
 
 const { contractWithSigner: stEthWithSigner } = useContract(
diff --git a/src/pages/HomePage/views/CodersView.vue b/src/pages/HomePage/views/CodersView.vue
index ee468c0..7207692 100644
--- a/src/pages/HomePage/views/CodersView.vue
+++ b/src/pages/HomePage/views/CodersView.vue
@@ -55,7 +55,7 @@ const web3ProvidersStore = useWeb3ProvidersStore()
 const { contractWithProvider: erc1967Proxy } = useContract(
   'ERC1967Proxy__factory',
   config.ERC1967_PROXY_CONTRACT_ADDRESS,
-  !config.IS_TESTNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
+  config.IS_MAINNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
 )
 
 const poolData = ref<Erc1967ProxyType.PoolData | null>(null)
diff --git a/src/pages/HomePage/views/CommunityView.vue b/src/pages/HomePage/views/CommunityView.vue
index 39d26ff..16a5207 100644
--- a/src/pages/HomePage/views/CommunityView.vue
+++ b/src/pages/HomePage/views/CommunityView.vue
@@ -108,7 +108,7 @@ const { $t } = useContext()
 const { contractWithProvider: erc1967Proxy } = useContract(
   'ERC1967Proxy__factory',
   config.ERC1967_PROXY_CONTRACT_ADDRESS,
-  !config.IS_TESTNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
+  config.IS_MAINNET ? ETHEREUM_RPC_URLS.ethereum : ETHEREUM_RPC_URLS.sepolia,
 )
 
 const web3ProvidersStore = useWeb3ProvidersStore()
diff --git a/src/store/modules/web3-providers.module.ts b/src/store/modules/web3-providers.module.ts
index a42d1a7..72a9a27 100644
--- a/src/store/modules/web3-providers.module.ts
+++ b/src/store/modules/web3-providers.module.ts
@@ -23,7 +23,7 @@ export const useWeb3ProvidersStore = defineStore(STORE_NAME, {
   getters: {
     isValidChain: state =>
       String(state.provider.chainId) ===
-      (!config.IS_TESTNET ? ETHEREUM_CHAINS.ethereum : ETHEREUM_CHAINS.sepolia),
+      (config.IS_MAINNET ? ETHEREUM_CHAINS.ethereum : ETHEREUM_CHAINS.sepolia),
     address: state => state.provider.selectedAddress,
   },