diff --git a/config/default.json b/config/default.json
index 52dc24da..9d8d8cfb 100644
--- a/config/default.json
+++ b/config/default.json
@@ -5,7 +5,7 @@
     9980, 421614, 11155111, 84532, 168587773, 80085, 81457, 534351, 534352,
     56400, 7000, 11155420, 80002, 27827, 4653, 8101902, 666666666, 2442, 7001,
     5003, 100, 10200, 195, 196, 2810, 997, 713715, 3799, 167009, 80084, 5845,
-    167000, 1328, 1329, 995, 28882, 288, 1802203764, 1740, 1750, 4202, 1135
+    167000, 1328, 1329, 995, 28882, 288, 920637907288165, 1740, 1750, 4202, 1135
   ],
   "supportedNetworksV07": [
     84532, 8453, 10, 11155420
@@ -14,14 +14,14 @@
     1, 137, 42161, 10, 43114, 43113, 8453, 59140, 59144, 204, 5611, 421614,
     11155111, 84532, 168587773, 80085, 81457, 42170, 169, 56400, 11155420,
     80002, 27827, 4653, 100, 10200, 997, 713715, 3799, 167009, 80084, 5845,
-    167000, 1328, 1329, 1715, 995, 28882, 288, 1802203764, 1740, 1750, 4202,
+    167000, 1328, 1329, 1715, 995, 28882, 288, 920637907288165, 1740, 1750, 4202,
     1135
   ],
   "testnetNetworks": [
     97, 43113, 59140, 5611, 81, 88882, 59144, 421614, 11155111, 1115, 3441005,
     84532, 168587773, 80085, 534351, 56400, 11155420, 80002, 7001, 2442, 5003,
     10200, 195, 2810, 997, 713715, 3799, 167009, 80084, 5845, 1328, 28882,
-    1802203764, 1740, 4202
+    920637907288165, 1740, 4202
   ],
   "supportedTransactionType": {
     "1": ["BUNDLER"],
@@ -89,7 +89,7 @@
     "995": ["BUNDLER"],
     "28882": ["BUNDLER"],
     "288": ["BUNDLER"],
-    "1802203764": ["BUNDLER"],
+    "920637907288165": ["BUNDLER"],
     "1740": ["BUNDLER"],
     "1750": ["BUNDLER"],
     "4202": ["BUNDLER"],
@@ -138,6 +138,18 @@
           "url": "https://sepolia.base.org",
           "type": "public"
         }
+      ],
+      "920637907288165": [
+        {
+          "url": "https://sepolia-rpc.kakarot.org/",
+          "type": "public"
+        }
+      ],
+      "11155420": [
+        {
+          "url": "https://sepolia.optimism.io/",
+          "type": "public"
+        }
       ]
     },
     "currency": {
@@ -206,7 +218,7 @@
       "995": "5IRE",
       "28882": "ETH",
       "288": "ETH",
-      "1802203764": "ETH",
+      "920637907288165": "ETH",
       "1740": "ETH",
       "1750": "ETH",
       "4202": "ETH",
@@ -278,7 +290,7 @@
       "995": 18,
       "28882": 18,
       "288": 18,
-      "1802203764": 18,
+      "920637907288165": 18,
       "1740": 18,
       "1750": 18,
       "4202": 18,
@@ -350,7 +362,7 @@
       "995": 30000,
       "28882": 30000,
       "288": 30000,
-      "1802203764": 30000,
+      "920637907288165": 30000,
       "1740": 30000,
       "1750": 30000,
       "4202": 30000,
@@ -422,7 +434,7 @@
       "995": 60,
       "28882": 60,
       "288": 60,
-      "1802203764": 60,
+      "920637907288165": 60,
       "1740": 60,
       "1750": 60,
       "4202": 60,
@@ -507,7 +519,7 @@
         "995": 2,
         "28882": 2,
         "288": 2,
-        "1802203764": 2,
+        "920637907288165": 2,
         "1740": 2,
         "1750": 2,
         "4202": 2,
@@ -579,7 +591,7 @@
         "995": 5,
         "28882": 5,
         "288": 5,
-        "1802203764": 5,
+        "920637907288165": 5,
         "1740": 5,
         "1750": 5,
         "4202": 5,
@@ -651,7 +663,7 @@
         "995": 3,
         "28882": 3,
         "288": 3,
-        "1802203764": 3,
+        "920637907288165": 3,
         "1740": 3,
         "1750": 3,
         "4202": 3,
@@ -723,7 +735,7 @@
         "995": 15,
         "28882": 15,
         "288": 15,
-        "1802203764": 15,
+        "920637907288165": 15,
         "1740": 15,
         "1750": 15,
         "4202": 15,
@@ -795,7 +807,7 @@
         "995": 0.1,
         "28882": 0.01,
         "288": 0.01,
-        "1802203764": 0.005,
+        "920637907288165": 0.005,
         "1740": 0.01,
         "1750": 0.01,
         "4202": 0.01,
@@ -867,7 +879,7 @@
         "995": 0.05,
         "28882": 0.005,
         "288": 0.005,
-        "1802203764": 0.0025,
+        "920637907288165": 0.0025,
         "1740": 0.005,
         "1750": 0.005,
         "4202": 0.005,
@@ -939,7 +951,7 @@
         "995": 2,
         "28882": 2,
         "288": 2,
-        "1802203764": 2,
+        "920637907288165": 2,
         "1740": 2,
         "1750": 2,
         "4202": 2,
@@ -1002,7 +1014,7 @@
         84532, 168587773, 43113, 80085, 81457, 42170, 534351, 534352, 56400,
         7000, 11155420, 80002, 27827, 7001, 2442, 4653, 5003, 8101902,
         666666666, 100, 10200, 195, 196, 2810, 997, 713715, 3799, 167009, 80084,
-        5845, 167000, 1328, 1329, 995, 28882, 288, 1802203764, 1740, 1750, 4202,
+        5845, 167000, 1328, 1329, 995, 28882, 288, 920637907288165, 1740, 1750, 4202,
         1135
       ]
     },
@@ -1030,17 +1042,17 @@
   "mantleNetworks": [5000, 5003],
   "blastPvgValue": 700000000,
   "scrollNetworks": [534351, 534352],
-  "kakarotNetworks": [1802203764],
+  "kakarotNetworks": [920637907288165],
   "networksNotSupportingEthCallStateOverrides": [
     1101, 81, 592, 169, 3441005, 1715, 7116, 9980, 88882, 88888, 81457,
     666666666, 2442, 8101902, 7001, 196, 195, 167009, 713715, 167000, 1328,
-    1329, 997, 995, 28882, 288, 1802203764, 4202, 1135
+    1329, 997, 995, 28882, 288, 920637907288165, 4202, 1135
   ],
   "trustWalletSupportedNetworks": [137, 56, 204, 42161, 10, 8453],
   "networksNotSupportingEthCallBytecodeStateOverrides": [
     1, 59140, 59144, 84532, 421614, 168587773, 43113, 11155111, 1101, 88882,
     88888, 81457, 167009, 713715, 167000, 1328, 1329, 997, 995, 28882, 288,
-    1802203764, 4202, 1135
+    920637907288165, 4202, 1135
   ],
   "pvgMarkUp": {
     "1": 0.1,
diff --git a/src/common/constants/index.ts b/src/common/constants/index.ts
index 4fbbf983..d203400d 100644
--- a/src/common/constants/index.ts
+++ b/src/common/constants/index.ts
@@ -57,7 +57,7 @@ export enum BLOCKCHAINS {
   TAIKO_HEKLA_TESTNET = 167009,
   TAIKO_MAINNET = 167000,
   BERACHAIN_BARTIO_TESTNET = 80084,
-  KAKAROT_TESTNET = 1802203764,
+  KAKAROT_TESTNET = 920637907288165,
   METAL_L2_TESTNET = 1740,
   METAL_L2_MAINNET = 1750,
   LISK_TESTNET = 4202,