diff --git a/.env.example b/.env.example
index 86967e8..f3e3e9b 100644
--- a/.env.example
+++ b/.env.example
@@ -1,7 +1,7 @@
 NET_ID=1
-HTTP_RPC_URL=https://mainnet.infura.io
+HTTP_RPC_URL=https://api.securerpc.com/v1
 # ORACLE_RPC_URL should always point to the mainnet
-ORACLE_RPC_URL=https://mainnet.infura.io
+ORACLE_RPC_URL=https://api.securerpc.com/v1
 REDIS_URL=redis://127.0.0.1:6379
 
 # DNS settings
@@ -11,8 +11,8 @@ APP_PORT=8000
 
 # without 0x prefix
 PRIVATE_KEY=
-# 0.05 means 0.05%
-REGULAR_TORNADO_WITHDRAW_FEE=0.05
+# 0.1 means 0.1%, we recommend 0.1 for sidechains and 0.4 for mainnet
+REGULAR_TORNADO_WITHDRAW_FEE=0.1
 REWARD_ACCOUNT=0x...
 CONFIRMATIONS=4
 
diff --git a/src/config.ts b/src/config.ts
index 6a0ea65..a7d4c9a 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -12,8 +12,8 @@ export const rpcUrl = process.env.HTTP_RPC_URL;
 export const CONFIRMATIONS = Number(process.env.CONFIRMATIONS ?? 4);
 export const MAX_GAS_PRICE = Number(process.env.MAX_GAS_PRICE ?? 1000);
 export const BASE_FEE_RESERVE_PERCENTAGE = Number(process.env.BASE_FEE_RESERVE_PERCENTAGE ?? 25);
-export const mainnetRpcUrl = process.env.MAINNET_RPC_URL || process.env.ORACLE_RPC_URL || 'https://mainnet.infura.io/';
-export const oracleRpcUrl = process.env.ORACLE_RPC_URL || 'https://mainnet.infura.io/';
+export const mainnetRpcUrl = process.env.MAINNET_RPC_URL || process.env.ORACLE_RPC_URL || 'https://api.securerpc.com/v1';
+export const oracleRpcUrl = process.env.ORACLE_RPC_URL || 'https://api.securerpc.com/v1';
 export const offchainOracleAddress = '0x07D91f5fb9Bf7798734C3f606dB065549F6893bb';
 export const multiCallAddress = '0xda3c19c6fe954576707fa24695efb830d9cca1ca';
 export const privateKey = process.env.PRIVATE_KEY;