diff --git a/react-app-rewired/headers/csps/chains/arbitrum.ts b/react-app-rewired/headers/csps/chains/arbitrum.ts
index be74a30323e..c0d768c242f 100644
--- a/react-app-rewired/headers/csps/chains/arbitrum.ts
+++ b/react-app-rewired/headers/csps/chains/arbitrum.ts
@@ -1,10 +1,19 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_ARBITRUM_NODE_URL = process.env.REACT_APP_ARBITRUM_NODE_URL
+const REACT_APP_UNCHAINED_ARBITRUM_HTTP_URL = process.env.REACT_APP_UNCHAINED_ARBITRUM_HTTP_URL
+const REACT_APP_UNCHAINED_ARBITRUM_WS_URL = process.env.REACT_APP_UNCHAINED_ARBITRUM_WS_URL
+
+if (!REACT_APP_ARBITRUM_NODE_URL) throw new Error('REACT_APP_ARBITRUM_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_ARBITRUM_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_ARBITRUM_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_ARBITRUM_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_ARBITRUM_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_ARBITRUM_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_ARBITRUM_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_ARBITRUM_WS_URL!,
-    'https://arbitrum.llamarpc.com',
+    REACT_APP_ARBITRUM_NODE_URL,
+    REACT_APP_UNCHAINED_ARBITRUM_HTTP_URL,
+    REACT_APP_UNCHAINED_ARBITRUM_WS_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/arbitrumNova.ts b/react-app-rewired/headers/csps/chains/arbitrumNova.ts
index 4234293823c..c93dd5d9b89 100644
--- a/react-app-rewired/headers/csps/chains/arbitrumNova.ts
+++ b/react-app-rewired/headers/csps/chains/arbitrumNova.ts
@@ -1,10 +1,23 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_ARBITRUM_NOVA_NODE_URL = process.env.REACT_APP_ARBITRUM_NOVA_NODE_URL
+const REACT_APP_UNCHAINED_ARBITRUM_NOVA_HTTP_URL =
+  process.env.REACT_APP_UNCHAINED_ARBITRUM_NOVA_HTTP_URL
+const REACT_APP_UNCHAINED_ARBITRUM_NOVA_WS_URL =
+  process.env.REACT_APP_UNCHAINED_ARBITRUM_NOVA_WS_URL
+
+if (!REACT_APP_ARBITRUM_NOVA_NODE_URL)
+  throw new Error('REACT_APP_ARBITRUM_NOVA_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_ARBITRUM_NOVA_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_ARBITRUM_NOVA_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_ARBITRUM_NOVA_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_ARBITRUM_NOVA_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_ARBITRUM_NOVA_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_ARBITRUM_NOVA_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_ARBITRUM_NOVA_WS_URL!,
+    REACT_APP_ARBITRUM_NOVA_NODE_URL,
+    REACT_APP_UNCHAINED_ARBITRUM_NOVA_HTTP_URL,
+    REACT_APP_UNCHAINED_ARBITRUM_NOVA_WS_URL,
     'https://nova.arbitrum.io/rpc',
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/avalanche.ts b/react-app-rewired/headers/csps/chains/avalanche.ts
index 76c54d8792d..a488e979fc9 100644
--- a/react-app-rewired/headers/csps/chains/avalanche.ts
+++ b/react-app-rewired/headers/csps/chains/avalanche.ts
@@ -1,10 +1,20 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_AVALANCHE_NODE_URL = process.env.REACT_APP_AVALANCHE_NODE_URL
+const REACT_APP_UNCHAINED_AVALANCHE_HTTP_URL = process.env.REACT_APP_UNCHAINED_AVALANCHE_HTTP_URL
+const REACT_APP_UNCHAINED_AVALANCHE_WS_URL = process.env.REACT_APP_UNCHAINED_AVALANCHE_WS_URL
+
+if (!REACT_APP_AVALANCHE_NODE_URL) throw new Error('REACT_APP_AVALANCHE_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_AVALANCHE_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_AVALANCHE_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_AVALANCHE_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_AVALANCHE_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_AVALANCHE_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_AVALANCHE_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_AVALANCHE_WS_URL!,
+    REACT_APP_AVALANCHE_NODE_URL,
+    REACT_APP_UNCHAINED_AVALANCHE_HTTP_URL,
+    REACT_APP_UNCHAINED_AVALANCHE_WS_URL,
     'https://api.avax.network/ext/bc/C/rpc',
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/base.ts b/react-app-rewired/headers/csps/chains/base.ts
index 0ca2059532b..ffa2ddab8b5 100644
--- a/react-app-rewired/headers/csps/chains/base.ts
+++ b/react-app-rewired/headers/csps/chains/base.ts
@@ -1,10 +1,19 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_BASE_NODE_URL = process.env.REACT_APP_BASE_NODE_URL
+const REACT_APP_UNCHAINED_BASE_HTTP_URL = process.env.REACT_APP_UNCHAINED_BASE_HTTP_URL
+const REACT_APP_UNCHAINED_BASE_WS_URL = process.env.REACT_APP_UNCHAINED_BASE_WS_URL
+
+if (!REACT_APP_BASE_NODE_URL) throw new Error('REACT_APP_BASE_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_BASE_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_BASE_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_BASE_WS_URL) throw new Error('REACT_APP_UNCHAINED_BASE_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_BASE_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_BASE_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_BASE_WS_URL!,
+    REACT_APP_BASE_NODE_URL,
+    REACT_APP_UNCHAINED_BASE_HTTP_URL,
+    REACT_APP_UNCHAINED_BASE_WS_URL,
     'https://base.llamarpc.com',
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/bitcoin.ts b/react-app-rewired/headers/csps/chains/bitcoin.ts
index 089b119330c..3f8515600f2 100644
--- a/react-app-rewired/headers/csps/chains/bitcoin.ts
+++ b/react-app-rewired/headers/csps/chains/bitcoin.ts
@@ -1,8 +1,13 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_UNCHAINED_BITCOIN_HTTP_URL = process.env.REACT_APP_UNCHAINED_BITCOIN_HTTP_URL
+const REACT_APP_UNCHAINED_BITCOIN_WS_URL = process.env.REACT_APP_UNCHAINED_BITCOIN_WS_URL
+
+if (!REACT_APP_UNCHAINED_BITCOIN_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_BITCOIN_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_BITCOIN_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_BITCOIN_WS_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [
-    process.env.REACT_APP_UNCHAINED_BITCOIN_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_BITCOIN_WS_URL!,
-  ],
+  'connect-src': [REACT_APP_UNCHAINED_BITCOIN_HTTP_URL, REACT_APP_UNCHAINED_BITCOIN_WS_URL],
 }
diff --git a/react-app-rewired/headers/csps/chains/bitcoincash.ts b/react-app-rewired/headers/csps/chains/bitcoincash.ts
index dcfb8b2dc14..0259aaa6026 100644
--- a/react-app-rewired/headers/csps/chains/bitcoincash.ts
+++ b/react-app-rewired/headers/csps/chains/bitcoincash.ts
@@ -1,8 +1,14 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_UNCHAINED_BITCOINCASH_HTTP_URL =
+  process.env.REACT_APP_UNCHAINED_BITCOINCASH_HTTP_URL
+const REACT_APP_UNCHAINED_BITCOINCASH_WS_URL = process.env.REACT_APP_UNCHAINED_BITCOINCASH_WS_URL
+
+if (!REACT_APP_UNCHAINED_BITCOINCASH_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_BITCOINCASH_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_BITCOINCASH_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_BITCOINCASH_WS_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [
-    process.env.REACT_APP_UNCHAINED_BITCOINCASH_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_BITCOINCASH_WS_URL!,
-  ],
+  'connect-src': [REACT_APP_UNCHAINED_BITCOINCASH_HTTP_URL, REACT_APP_UNCHAINED_BITCOINCASH_WS_URL],
 }
diff --git a/react-app-rewired/headers/csps/chains/bnbsmartchain.ts b/react-app-rewired/headers/csps/chains/bnbsmartchain.ts
index 885faded368..dd325d3ea53 100644
--- a/react-app-rewired/headers/csps/chains/bnbsmartchain.ts
+++ b/react-app-rewired/headers/csps/chains/bnbsmartchain.ts
@@ -1,10 +1,23 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_BNBSMARTCHAIN_NODE_URL = process.env.REACT_APP_BNBSMARTCHAIN_NODE_URL
+const REACT_APP_UNCHAINED_BNBSMARTCHAIN_HTTP_URL =
+  process.env.REACT_APP_UNCHAINED_BNBSMARTCHAIN_HTTP_URL
+const REACT_APP_UNCHAINED_BNBSMARTCHAIN_WS_URL =
+  process.env.REACT_APP_UNCHAINED_BNBSMARTCHAIN_WS_URL
+
+if (!REACT_APP_BNBSMARTCHAIN_NODE_URL)
+  throw new Error('REACT_APP_BNBSMARTCHAIN_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_BNBSMARTCHAIN_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_BNBSMARTCHAIN_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_BNBSMARTCHAIN_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_BNBSMARTCHAIN_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_BNBSMARTCHAIN_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_BNBSMARTCHAIN_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_BNBSMARTCHAIN_WS_URL!,
+    REACT_APP_BNBSMARTCHAIN_NODE_URL,
+    REACT_APP_UNCHAINED_BNBSMARTCHAIN_HTTP_URL,
+    REACT_APP_UNCHAINED_BNBSMARTCHAIN_WS_URL,
     'https://binance.llamarpc.com',
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/cosmos.ts b/react-app-rewired/headers/csps/chains/cosmos.ts
index 5055f34d84d..79b12e5521a 100644
--- a/react-app-rewired/headers/csps/chains/cosmos.ts
+++ b/react-app-rewired/headers/csps/chains/cosmos.ts
@@ -1,10 +1,15 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_UNCHAINED_COSMOS_HTTP_URL = process.env.REACT_APP_UNCHAINED_COSMOS_HTTP_URL
+const REACT_APP_UNCHAINED_COSMOS_WS_URL = process.env.REACT_APP_UNCHAINED_COSMOS_WS_URL
+
+if (!REACT_APP_UNCHAINED_COSMOS_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_COSMOS_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_COSMOS_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_COSMOS_WS_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [
-    process.env.REACT_APP_UNCHAINED_COSMOS_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_COSMOS_WS_URL!,
-  ],
+  'connect-src': [REACT_APP_UNCHAINED_COSMOS_HTTP_URL, REACT_APP_UNCHAINED_COSMOS_WS_URL],
   'img-src': [
     'https://raw.githubusercontent.com/cosmostation/',
     'https://raw.githubusercontent.com/cosmos/chain-registry/',
diff --git a/react-app-rewired/headers/csps/chains/dogecoin.ts b/react-app-rewired/headers/csps/chains/dogecoin.ts
index cef35324b72..a22dce0e3d8 100644
--- a/react-app-rewired/headers/csps/chains/dogecoin.ts
+++ b/react-app-rewired/headers/csps/chains/dogecoin.ts
@@ -1,8 +1,13 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_UNCHAINED_DOGECOIN_HTTP_URL = process.env.REACT_APP_UNCHAINED_DOGECOIN_HTTP_URL
+const REACT_APP_UNCHAINED_DOGECOIN_WS_URL = process.env.REACT_APP_UNCHAINED_DOGECOIN_WS_URL
+
+if (!REACT_APP_UNCHAINED_DOGECOIN_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_DOGECOIN_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_DOGECOIN_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_DOGECOIN_WS_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [
-    process.env.REACT_APP_UNCHAINED_DOGECOIN_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_DOGECOIN_WS_URL!,
-  ],
+  'connect-src': [REACT_APP_UNCHAINED_DOGECOIN_HTTP_URL, REACT_APP_UNCHAINED_DOGECOIN_WS_URL],
 }
diff --git a/react-app-rewired/headers/csps/chains/ethereum.ts b/react-app-rewired/headers/csps/chains/ethereum.ts
index 60844caa027..45ca95cbe1c 100644
--- a/react-app-rewired/headers/csps/chains/ethereum.ts
+++ b/react-app-rewired/headers/csps/chains/ethereum.ts
@@ -1,11 +1,23 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_ETHEREUM_NODE_URL = process.env.REACT_APP_ETHEREUM_NODE_URL
+const REACT_APP_UNCHAINED_ETHEREUM_HTTP_URL = process.env.REACT_APP_UNCHAINED_ETHEREUM_HTTP_URL
+const REACT_APP_UNCHAINED_ETHEREUM_WS_URL = process.env.REACT_APP_UNCHAINED_ETHEREUM_WS_URL
+const REACT_APP_ALCHEMY_POLYGON_URL = process.env.REACT_APP_ALCHEMY_POLYGON_URL
+
+if (!REACT_APP_ETHEREUM_NODE_URL) throw new Error('REACT_APP_ETHEREUM_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_ETHEREUM_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_ETHEREUM_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_ETHEREUM_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_ETHEREUM_WS_URL is required')
+if (!REACT_APP_ALCHEMY_POLYGON_URL) throw new Error('REACT_APP_ALCHEMY_POLYGON_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_ETHEREUM_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_ETHEREUM_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_ETHEREUM_WS_URL!,
-    process.env.REACT_APP_ALCHEMY_POLYGON_URL!,
+    REACT_APP_ETHEREUM_NODE_URL,
+    REACT_APP_UNCHAINED_ETHEREUM_HTTP_URL,
+    REACT_APP_UNCHAINED_ETHEREUM_WS_URL,
+    REACT_APP_ALCHEMY_POLYGON_URL,
     'https://eth.llamarpc.com',
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/gnosis.ts b/react-app-rewired/headers/csps/chains/gnosis.ts
index 915cd400f32..2793ccb8959 100644
--- a/react-app-rewired/headers/csps/chains/gnosis.ts
+++ b/react-app-rewired/headers/csps/chains/gnosis.ts
@@ -1,10 +1,19 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_GNOSIS_NODE_URL = process.env.REACT_APP_GNOSIS_NODE_URL
+const REACT_APP_UNCHAINED_GNOSIS_HTTP_URL = process.env.REACT_APP_UNCHAINED_GNOSIS_HTTP_URL
+const REACT_APP_UNCHAINED_GNOSIS_WS_URL = process.env.REACT_APP_UNCHAINED_GNOSIS_WS_URL
+
+if (!REACT_APP_GNOSIS_NODE_URL) throw new Error('REACT_APP_GNOSIS_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_GNOSIS_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_GNOSIS_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_GNOSIS_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_GNOSIS_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_GNOSIS_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_GNOSIS_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_GNOSIS_WS_URL!,
-    'https://rpc.gnosischain.com',
+    REACT_APP_GNOSIS_NODE_URL,
+    REACT_APP_UNCHAINED_GNOSIS_HTTP_URL,
+    REACT_APP_UNCHAINED_GNOSIS_WS_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/litecoin.ts b/react-app-rewired/headers/csps/chains/litecoin.ts
index 2a9fa23a22d..7c1b2b5574f 100644
--- a/react-app-rewired/headers/csps/chains/litecoin.ts
+++ b/react-app-rewired/headers/csps/chains/litecoin.ts
@@ -1,8 +1,13 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_UNCHAINED_LITECOIN_HTTP_URL = process.env.REACT_APP_UNCHAINED_LITECOIN_HTTP_URL
+const REACT_APP_UNCHAINED_LITECOIN_WS_URL = process.env.REACT_APP_UNCHAINED_LITECOIN_WS_URL
+
+if (!REACT_APP_UNCHAINED_LITECOIN_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_LITECOIN_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_LITECOIN_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_LITECOIN_WS_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [
-    process.env.REACT_APP_UNCHAINED_LITECOIN_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_LITECOIN_WS_URL!,
-  ],
+  'connect-src': [REACT_APP_UNCHAINED_LITECOIN_HTTP_URL, REACT_APP_UNCHAINED_LITECOIN_WS_URL],
 }
diff --git a/react-app-rewired/headers/csps/chains/optimism.ts b/react-app-rewired/headers/csps/chains/optimism.ts
index 7e90cbb836c..74e8067a82d 100644
--- a/react-app-rewired/headers/csps/chains/optimism.ts
+++ b/react-app-rewired/headers/csps/chains/optimism.ts
@@ -1,10 +1,19 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_OPTIMISM_NODE_URL = process.env.REACT_APP_OPTIMISM_NODE_URL
+const REACT_APP_UNCHAINED_OPTIMISM_HTTP_URL = process.env.REACT_APP_UNCHAINED_OPTIMISM_HTTP_URL
+const REACT_APP_UNCHAINED_OPTIMISM_WS_URL = process.env.REACT_APP_UNCHAINED_OPTIMISM_WS_URL
+
+if (!REACT_APP_OPTIMISM_NODE_URL) throw new Error('REACT_APP_OPTIMISM_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_OPTIMISM_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_OPTIMISM_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_OPTIMISM_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_OPTIMISM_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_OPTIMISM_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_OPTIMISM_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_OPTIMISM_WS_URL!,
-    'https://optimism.llamarpc.com',
+    REACT_APP_OPTIMISM_NODE_URL,
+    REACT_APP_UNCHAINED_OPTIMISM_HTTP_URL,
+    REACT_APP_UNCHAINED_OPTIMISM_WS_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/polygon.ts b/react-app-rewired/headers/csps/chains/polygon.ts
index 74d7ad3ae48..cd2c8155367 100644
--- a/react-app-rewired/headers/csps/chains/polygon.ts
+++ b/react-app-rewired/headers/csps/chains/polygon.ts
@@ -1,10 +1,19 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_POLYGON_NODE_URL = process.env.REACT_APP_POLYGON_NODE_URL
+const REACT_APP_UNCHAINED_POLYGON_HTTP_URL = process.env.REACT_APP_UNCHAINED_POLYGON_HTTP_URL
+const REACT_APP_UNCHAINED_POLYGON_WS_URL = process.env.REACT_APP_UNCHAINED_POLYGON_WS_URL
+
+if (!REACT_APP_POLYGON_NODE_URL) throw new Error('REACT_APP_POLYGON_NODE_URL is required')
+if (!REACT_APP_UNCHAINED_POLYGON_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_POLYGON_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_POLYGON_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_POLYGON_WS_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_POLYGON_NODE_URL!,
-    process.env.REACT_APP_UNCHAINED_POLYGON_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_POLYGON_WS_URL!,
-    'https://polygon.llamarpc.com',
+    REACT_APP_POLYGON_NODE_URL,
+    REACT_APP_UNCHAINED_POLYGON_HTTP_URL,
+    REACT_APP_UNCHAINED_POLYGON_WS_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/solana.ts b/react-app-rewired/headers/csps/chains/solana.ts
index 78d30783a06..74232be56bd 100644
--- a/react-app-rewired/headers/csps/chains/solana.ts
+++ b/react-app-rewired/headers/csps/chains/solana.ts
@@ -1,9 +1,19 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_UNCHAINED_SOLANA_HTTP_URL = process.env.REACT_APP_UNCHAINED_SOLANA_HTTP_URL
+const REACT_APP_UNCHAINED_SOLANA_WS_URL = process.env.REACT_APP_UNCHAINED_SOLANA_WS_URL
+const REACT_APP_SOLANA_NODE_URL = process.env.REACT_APP_SOLANA_NODE_URL
+
+if (!REACT_APP_UNCHAINED_SOLANA_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_SOLANA_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_SOLANA_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_SOLANA_WS_URL is required')
+if (!REACT_APP_SOLANA_NODE_URL) throw new Error('REACT_APP_SOLANA_NODE_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_UNCHAINED_SOLANA_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_SOLANA_WS_URL!,
-    process.env.REACT_APP_SOLANA_NODE_URL!,
+    REACT_APP_UNCHAINED_SOLANA_HTTP_URL,
+    REACT_APP_UNCHAINED_SOLANA_WS_URL,
+    REACT_APP_SOLANA_NODE_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/chains/thorchain.ts b/react-app-rewired/headers/csps/chains/thorchain.ts
index ee6611bcba6..7e7dcaa20dc 100644
--- a/react-app-rewired/headers/csps/chains/thorchain.ts
+++ b/react-app-rewired/headers/csps/chains/thorchain.ts
@@ -1,10 +1,24 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_UNCHAINED_THORCHAIN_HTTP_URL = process.env.REACT_APP_UNCHAINED_THORCHAIN_HTTP_URL
+const REACT_APP_UNCHAINED_THORCHAIN_WS_URL = process.env.REACT_APP_UNCHAINED_THORCHAIN_WS_URL
+const REACT_APP_UNCHAINED_THORCHAIN_V1_HTTP_URL =
+  process.env.REACT_APP_UNCHAINED_THORCHAIN_V1_HTTP_URL
+const REACT_APP_THORCHAIN_NODE_URL = process.env.REACT_APP_THORCHAIN_NODE_URL
+
+if (!REACT_APP_UNCHAINED_THORCHAIN_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_THORCHAIN_HTTP_URL is required')
+if (!REACT_APP_UNCHAINED_THORCHAIN_WS_URL)
+  throw new Error('REACT_APP_UNCHAINED_THORCHAIN_WS_URL is required')
+if (!REACT_APP_UNCHAINED_THORCHAIN_V1_HTTP_URL)
+  throw new Error('REACT_APP_UNCHAINED_THORCHAIN_V1_HTTP_URL is required')
+if (!REACT_APP_THORCHAIN_NODE_URL) throw new Error('REACT_APP_THORCHAIN_NODE_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_UNCHAINED_THORCHAIN_HTTP_URL!,
-    process.env.REACT_APP_UNCHAINED_THORCHAIN_WS_URL!,
-    process.env.REACT_APP_UNCHAINED_THORCHAIN_V1_HTTP_URL!,
-    process.env.REACT_APP_THORCHAIN_NODE_URL!,
+    REACT_APP_UNCHAINED_THORCHAIN_HTTP_URL,
+    REACT_APP_UNCHAINED_THORCHAIN_WS_URL,
+    REACT_APP_UNCHAINED_THORCHAIN_V1_HTTP_URL,
+    REACT_APP_THORCHAIN_NODE_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/chatwoot.ts b/react-app-rewired/headers/csps/chatwoot.ts
index ec5e82eb851..eb9dc77458e 100644
--- a/react-app-rewired/headers/csps/chatwoot.ts
+++ b/react-app-rewired/headers/csps/chatwoot.ts
@@ -1,7 +1,11 @@
 import type { Csp } from '../types'
 
+const REACT_APP_CHATWOOT_URL = process.env.REACT_APP_CHATWOOT_URL
+
+if (!REACT_APP_CHATWOOT_URL) throw new Error('REACT_APP_CHATWOOT_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [process.env.REACT_APP_CHATWOOT_URL!],
-  'script-src': [process.env.REACT_APP_CHATWOOT_URL!],
-  'frame-src': [process.env.REACT_APP_CHATWOOT_URL!],
+  'connect-src': [REACT_APP_CHATWOOT_URL],
+  'script-src': [REACT_APP_CHATWOOT_URL],
+  'frame-src': [REACT_APP_CHATWOOT_URL],
 }
diff --git a/react-app-rewired/headers/csps/defi/mtpelerin.ts b/react-app-rewired/headers/csps/defi/mtpelerin.ts
index 5bce7dc2c71..aa9dd3b8a6f 100644
--- a/react-app-rewired/headers/csps/defi/mtpelerin.ts
+++ b/react-app-rewired/headers/csps/defi/mtpelerin.ts
@@ -1,9 +1,17 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_MTPELERIN_ASSETS_API = process.env.REACT_APP_MTPELERIN_ASSETS_API
+const REACT_APP_MTPELERIN_BUY_URL = process.env.REACT_APP_MTPELERIN_BUY_URL
+const REACT_APP_MTPELERIN_SELL_URL = process.env.REACT_APP_MTPELERIN_SELL_URL
+
+if (!REACT_APP_MTPELERIN_ASSETS_API) throw new Error('REACT_APP_MTPELERIN_ASSETS_API is required')
+if (!REACT_APP_MTPELERIN_BUY_URL) throw new Error('REACT_APP_MTPELERIN_BUY_URL is required')
+if (!REACT_APP_MTPELERIN_SELL_URL) throw new Error('REACT_APP_MTPELERIN_SELL_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_MTPELERIN_ASSETS_API!,
-    process.env.REACT_APP_MTPELERIN_BUY_URL!,
-    process.env.REACT_APP_MTPELERIN_SELL_URL!,
+    REACT_APP_MTPELERIN_ASSETS_API,
+    REACT_APP_MTPELERIN_BUY_URL,
+    REACT_APP_MTPELERIN_SELL_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/fiatRamps/onRamper.ts b/react-app-rewired/headers/csps/fiatRamps/onRamper.ts
index 29787fbfb63..ae2537788b3 100644
--- a/react-app-rewired/headers/csps/fiatRamps/onRamper.ts
+++ b/react-app-rewired/headers/csps/fiatRamps/onRamper.ts
@@ -1,8 +1,12 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_ONRAMPER_API_URL = process.env.REACT_APP_ONRAMPER_API_URL
+const REACT_APP_ONRAMPER_WIDGET_URL = process.env.REACT_APP_ONRAMPER_WIDGET_URL
+
+if (!REACT_APP_ONRAMPER_API_URL) throw new Error('REACT_APP_ONRAMPER_API_URL is required')
+if (!REACT_APP_ONRAMPER_WIDGET_URL) throw new Error('REACT_APP_ONRAMPER_WIDGET_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [
-    process.env.REACT_APP_ONRAMPER_API_URL!,
-    process.env.REACT_APP_ONRAMPER_WIDGET_URL!,
-  ],
+  'connect-src': [REACT_APP_ONRAMPER_API_URL, REACT_APP_ONRAMPER_WIDGET_URL],
+  'frame-src': [REACT_APP_ONRAMPER_WIDGET_URL],
 }
diff --git a/react-app-rewired/headers/csps/plugins/foxPage.ts b/react-app-rewired/headers/csps/plugins/foxPage.ts
index 2ab55ca5cbd..6d04d164f6c 100644
--- a/react-app-rewired/headers/csps/plugins/foxPage.ts
+++ b/react-app-rewired/headers/csps/plugins/foxPage.ts
@@ -1,10 +1,20 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_TOKEMAK_STATS_URL = process.env.REACT_APP_TOKEMAK_STATS_URL
+const REACT_APP_BOARDROOM_API_BASE_URL = process.env.REACT_APP_BOARDROOM_API_BASE_URL
+
+if (!REACT_APP_TOKEMAK_STATS_URL) throw new Error('REACT_APP_TOKEMAK_STATS_URL is required')
+if (!REACT_APP_BOARDROOM_API_BASE_URL)
+  throw new Error('REACT_APP_BOARDROOM_API_BASE_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    // https://github.com/shapeshift/web/blob/c85fbdd27c360fc09cd8a2aaabec493f9c4e8b78/src/state/apis/foxy/foxyApi.ts#L21
-    process.env.REACT_APP_TOKEMAK_STATS_URL!,
-    // https://github.com/shapeshift/web/blob/965e5f3365e62f02f4cff3d0f78a020e0bf6b376/src/plugins/foxPage/hooks/getGovernanceData.ts#L47
-    process.env.REACT_APP_BOARDROOM_API_BASE_URL!,
+    'https://raw.githubusercontent.com/Uniswap/token-lists/master/test/schema/example.tokenlist.json',
+    'https://raw.githubusercontent.com/Uniswap/default-token-list/master/src/tokens/mainnet.json',
+    'https://raw.githubusercontent.com/compound-finance/token-list/master/compound.tokenlist.json',
+    'https://api.tokemak.xyz/',
+    REACT_APP_TOKEMAK_STATS_URL,
+    'https://api.boardroom.info/',
+    REACT_APP_BOARDROOM_API_BASE_URL,
   ],
 }
diff --git a/react-app-rewired/headers/csps/wallets/keepkey.ts b/react-app-rewired/headers/csps/wallets/keepkey.ts
index 87b3e18a300..4598949f728 100644
--- a/react-app-rewired/headers/csps/wallets/keepkey.ts
+++ b/react-app-rewired/headers/csps/wallets/keepkey.ts
@@ -1,8 +1,11 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_KEEPKEY_VERSIONS_URL = process.env.REACT_APP_KEEPKEY_VERSIONS_URL
+const REACT_APP_KEEPKEY_DESKTOP_URL = process.env.REACT_APP_KEEPKEY_DESKTOP_URL
+
+if (!REACT_APP_KEEPKEY_VERSIONS_URL) throw new Error('REACT_APP_KEEPKEY_VERSIONS_URL is required')
+if (!REACT_APP_KEEPKEY_DESKTOP_URL) throw new Error('REACT_APP_KEEPKEY_DESKTOP_URL is required')
+
 export const csp: Csp = {
-  'connect-src': [
-    process.env.REACT_APP_KEEPKEY_VERSIONS_URL!,
-    process.env.REACT_APP_KEEPKEY_DESKTOP_URL!,
-  ],
+  'connect-src': [REACT_APP_KEEPKEY_VERSIONS_URL, REACT_APP_KEEPKEY_DESKTOP_URL],
 }
diff --git a/react-app-rewired/headers/csps/wallets/walletConnect.ts b/react-app-rewired/headers/csps/wallets/walletConnect.ts
index 8f9c9396d08..79e1c4ba9dd 100644
--- a/react-app-rewired/headers/csps/wallets/walletConnect.ts
+++ b/react-app-rewired/headers/csps/wallets/walletConnect.ts
@@ -1,8 +1,13 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_WALLET_CONNECT_RELAY_URL = process.env.REACT_APP_WALLET_CONNECT_RELAY_URL
+
+if (!REACT_APP_WALLET_CONNECT_RELAY_URL)
+  throw new Error('REACT_APP_WALLET_CONNECT_RELAY_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
-    process.env.REACT_APP_WALLET_CONNECT_RELAY_URL!,
+    REACT_APP_WALLET_CONNECT_RELAY_URL,
     'wss://*.bridge.walletconnect.org/',
     'wss://*.relay.walletconnect.org/',
     'wss://relay.walletconnect.org/',
diff --git a/react-app-rewired/headers/csps/wallets/walletMigration.ts b/react-app-rewired/headers/csps/wallets/walletMigration.ts
index 258a2b87f79..ba6a53ddd40 100644
--- a/react-app-rewired/headers/csps/wallets/walletMigration.ts
+++ b/react-app-rewired/headers/csps/wallets/walletMigration.ts
@@ -1,9 +1,13 @@
 import type { Csp } from '../../types'
 
+const REACT_APP_WALLET_MIGRATION_URL = process.env.REACT_APP_WALLET_MIGRATION_URL
+
+if (!REACT_APP_WALLET_MIGRATION_URL) throw new Error('REACT_APP_WALLET_MIGRATION_URL is required')
+
 export const csp: Csp = {
   'connect-src': [
     // friendly-challenge@0.9.1: https://github.com/FriendlyCaptcha/friendly-challenge/blob/f110634f17f316b90a9bd59b190291abe3c639bb/src/captcha.ts#L20
     'https://api.friendlycaptcha.com/api/v1/puzzle',
-    process.env.REACT_APP_WALLET_MIGRATION_URL!,
+    REACT_APP_WALLET_MIGRATION_URL,
   ],
 }
diff --git a/react-app-rewired/headers/types.ts b/react-app-rewired/headers/types.ts
index 130c60720df..d6eecf75d9c 100644
--- a/react-app-rewired/headers/types.ts
+++ b/react-app-rewired/headers/types.ts
@@ -1,2 +1,3 @@
+// process.env is not properly typed but could be if we were using vite imports.meta. wen vite?
 export type Csp = Record<string, string[]>
-export type CspEntry = [string, string]
+export type CspEntry = string[]