diff --git a/constants/additionalChainRegistry/chainid-271831.js b/constants/additionalChainRegistry/chainid-271831.js
new file mode 100644
index 0000000000..17a9a6df0d
--- /dev/null
+++ b/constants/additionalChainRegistry/chainid-271831.js
@@ -0,0 +1,30 @@
+export const data = {
+  "name": "MBTX Mainnet",
+  "chain": "MBTX",
+  "icon": "https://mbtux.uxi.rocks/static/photo_mainnet.jpg",
+  "rpc": [
+    "https://candied-undecided-straggler.ngrok-free.dev/l1"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "MBTX",
+    "symbol": "MBTX",
+    "decimals": 18
+  },
+  "features": [
+    { "name": "EIP155" },
+    { "name": "EIP1559" }
+  ],
+  "infoURL": "https://mbtux.uxi.rocks/mbtx",
+  "shortName": "mbtx",
+  "chainId": 271831,
+  "networkId": 271831,
+  "explorers": [
+    {
+      "name": "MBTX Explorer",
+      "url": "https://mbtux.uxi.rocks/mbtx",
+      "icon": "https://mbtux.uxi.rocks/static/photo_mainnet.jpg",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/constants/additionalChainRegistry/chainid-271832.js b/constants/additionalChainRegistry/chainid-271832.js
new file mode 100644
index 0000000000..41cc825394
--- /dev/null
+++ b/constants/additionalChainRegistry/chainid-271832.js
@@ -0,0 +1,39 @@
+export const data = {
+  "name": "MBTX Nexus",
+  "chain": "MBTX",
+  "icon": "https://mbtux.uxi.rocks/static/photo_mbtxnexus.png",
+  "rpc": [
+    "https://candied-undecided-straggler.ngrok-free.dev/l2"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "features": [
+    { "name": "EIP155" },
+    { "name": "EIP1559" }
+  ],
+  "infoURL": "https://mbtux.uxi.rocks/mbtx",
+  "shortName": "mbtxl2",
+  "chainId": 271832,
+  "networkId": 271832,
+  "parent": {
+    "type": "L2",
+    "chain": "eip155-271831",
+    "bridges": [
+      {
+"url": "https://mbtux.uxi.rocks/mbtx"
+      }
+    ]
+  },
+  "explorers": [
+    {
+      "name": "MBTX Nexus Explorer",
+      "url": "https://mbtux.uxi.rocks/mbtx/",
+      "icon": "https://mbtux.uxi.rocks/static/photo_mbtxnexus.png",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/constants/extraRpcs.js b/constants/extraRpcs.js
index bd43df173d..19772bd8f0 100644
--- a/constants/extraRpcs.js
+++ b/constants/extraRpcs.js
@@ -1265,11 +1265,6 @@ export const extraRpcs = {
         tracking: "none",
         trackingDetails: privacyStatement.pokt,
       },
-      {
-        url: "https://rpc-bsc.blockmachine.io",
-        tracking: "none",
-        trackingDetails: privacyStatement.blockmachine,
-      },
     ],
   },
   97: {
@@ -1486,11 +1481,6 @@ export const extraRpcs = {
         tracking: "none",
         trackingDetails: privacyStatement.keccakio,
       },
-      {
-        url: "https://rpc-avalanche.blockmachine.io",
-        tracking: "none",
-        trackingDetails: privacyStatement.blockmachine,
-      },
     ],
   },
   250: {
@@ -4536,7 +4526,6 @@ export const extraRpcs = {
       "https://api.lcserve.org",
       "https://genesisl1.evm.utsa.tech/",
       "https://evm.vicky.gl1infra.online",
-      "https://evm.genesisl1.firsttensor.com",
     ],
   },
   33: {
@@ -6073,11 +6062,6 @@ export const extraRpcs = {
         tracking: "limited",
         trackingDetails: privacyStatement.swiftnodes,
       },
-      {
-        url: "https://rpc-mantle.blockmachine.io",
-        tracking: "none",
-        trackingDetails: privacyStatement.blockmachine,
-      },
     ],
   },
   5003: {
@@ -7018,11 +7002,6 @@ export const extraRpcs = {
         tracking: "limited",
         trackingDetails: privacyStatement.sentio,
       },
-      {
-        url: "https://rpc-scroll.blockmachine.io",
-        tracking: "none",
-        trackingDetails: privacyStatement.blockmachine,
-      },
     ],
   },
   88888: {
@@ -15525,11 +15504,6 @@ export const extraRpcs = {
         tracking: "none",
         trackingDetails: privacyStatement.nodeflare,
       },
-      {
-        url: "https://rpc-robinhood.blockmachine.io",
-        tracking: "none",
-        trackingDetails: privacyStatement.blockmachine,
-      },
     ],
   },
   46630: {
@@ -15643,16 +15617,16 @@ export const extraRpcs = {
       },
     ],
   },
-  13113: {
-    rpcs: [
-      {
-        url: "https://rpc.rannta.com/",
-        tracking: "none",
-        trackingDetails:
-          "RANNTA X-Chain public RPC does not track users or correlate RPC requests with individual users. No advertising or third-party analytics are used on the public RPC endpoint. https://rannta.com/privacy",
-      },
-    ],
-  },
+  271831: {
+  rpcs: [
+    "https://rpc-l1.mbtx.network", // your L1 RPC
+  ]
+},
+271832: {
+  rpcs: [
+    "https://rpc-l2.mbtx.network", // your L2 RPC
+  ]
+},
 };
 
 export default extraRpcs;