diff --git a/constants/additionalChainRegistry/chainid-1177.js b/constants/additionalChainRegistry/chainid-1177.js
new file mode 100644
index 0000000000..30b4eebd7a
--- /dev/null
+++ b/constants/additionalChainRegistry/chainid-1177.js
@@ -0,0 +1,58 @@
+export const data = {
+  "name": "Noreum Mainnet",
+  "chain": "NOR",
+  "rpc": [
+    "https://rpc.noreum.org",
+    "https://mainnet-rpc.noreum.org"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Noreum",
+    "symbol": "NOR",
+    "decimals": 18
+  },
+  "features": [
+    { "name": "EIP155" },
+    { "name": "EIP1559" },
+    { "name": "EIP2718" },
+    { "name": "EIP2930" },
+    { "name": "EIP4844" },
+    { "name": "BlobTransactions" },
+    { "name": "Shanghai" },
+    { "name": "Capella" },
+    { "name": "Deneb" }
+  ],
+  "infoURL": "https://noreum.org",
+  "shortName": "nor",
+  "slug": "noreum-mainnet",
+  "chainId": 1177,
+  "networkId": 1177,
+  "status": "active",
+  "icon": "noreum",
+  "explorers": [
+    {
+      "name": "NoreumScan",
+      "url": "https://scan.noreum.org",
+      "icon": "noreum",
+      "standard": "EIP3091"
+    }
+  ],
+  "genesis": {
+    "hash": "0x000000000000000000000000000000000000000000000000000000000000dead",
+    "timestamp": "2025-01-01T00:00:00Z",
+    "gasLimit": "30000000"
+  },
+  "upgrades": [
+    { "name": "Shanghai", "block": 0 },
+    { "name": "Capella", "block": 0 },
+    { "name": "Cancun", "block": 0 },
+    { "name": "Deneb", "block": 0 }
+  ],
+  "bootNodes": [
+    "enode://65828b55922172a65320c80c3714b0bc4624d63113dd82a5a520238559ef1bbb981069fad5bfbd33039dba67d1df46c7a0ddc244b2b53c3d486a83e054109279@109.123.247.208:30303"
+  ],
+  "parent": {
+    "type": "L1",
+    "chain": "NOR"
+  }
+}
diff --git a/constants/additionalChainRegistry/chainid-21177.js b/constants/additionalChainRegistry/chainid-21177.js
new file mode 100644
index 0000000000..1a296c6e3a
--- /dev/null
+++ b/constants/additionalChainRegistry/chainid-21177.js
@@ -0,0 +1,58 @@
+export const data = {
+  "name": "Noreum Testnet",
+  "chain": "NOR",
+  "rpc": [
+    "https://testnet-rpc.noreum.org",
+    "https://rpc-test.noreum.org"
+  ],
+  "faucets": [
+    "https://faucet.noreum.org"
+  ],
+  "nativeCurrency": {
+    "name": "Test Noreum",
+    "symbol": "tNOR",
+    "decimals": 18
+  },
+  "features": [
+    { "name": "EIP155" },
+    { "name": "EIP1559" },
+    { "name": "EIP2718" },
+    { "name": "EIP2930" },
+    { "name": "EIP4844" },
+    { "name": "BlobTransactions" },
+    { "name": "Shanghai" },
+    { "name": "Capella" },
+    { "name": "Deneb" }
+  ],
+  "infoURL": "https://noreum.org/testnet",
+  "shortName": "tnor",
+  "slug": "noreum-testnet",
+  "chainId": 21177,
+  "networkId": 21177,
+  "status": "active",
+  "icon": "noreum",
+  "explorers": [
+    {
+      "name": "NoreumScan Testnet",
+      "url": "https://testnet-scan.noreum.org",
+      "icon": "noreum",
+      "standard": "EIP3091"
+    }
+  ],
+  "genesis": {
+    "hash": "0x000000000000000000000000000000000000000000000000000000000000beef",
+    "timestamp": "2025-01-01T00:00:00Z",
+    "gasLimit": "30000000"
+  },
+  "upgrades": [
+    { "name": "Shanghai", "block": 0 },
+    { "name": "Capella", "block": 0 },
+    { "name": "Cancun", "block": 0 },
+    { "name": "Deneb", "block": 0 }
+  ],
+  "bootNodes": [],
+  "parent": {
+    "type": "L1",
+    "chain": "NOR"
+  }
+}