diff --git a/app.config.ts b/app.config.ts
index c82bc43..a27ffc2 100644
--- a/app.config.ts
+++ b/app.config.ts
@@ -1,3 +1,20 @@
+declare global {
+  namespace NodeJS {
+    interface ProcessEnv {
+      JSONRPC_URL: string,
+      KOIN_ADDRESS: string,
+      VHP_ADDRESS: string,
+      POB_ADDRESS: string,
+      CLAIM_ADDRESS: string,
+      GOVERNANCE_ADDRESS: string,
+      NAMESERVICE_ADDRESS: string,
+      RESOURCES_ADDRESS: string,
+      KAP_ADDRESS: string,
+      NICKNAMES_ADDRESS: string
+    }
+  }
+}
+
 export type Config = {
   jsonRPC: string
   systemContracts: Record<string, string>
@@ -5,18 +22,18 @@ export type Config = {
 }
 
 export const config: Config = {
-  jsonRPC: 'http://localhost:8080/',
+  jsonRPC: process.env.JSONRPC_URL || 'http://localhost:8080/',
   systemContracts: {
-    koin: '15DJN4a8SgrbGhhGksSBASiSYjGnMU8dGL',
-    vhp: '18tWNU7E4yuQzz7hMVpceb9ixmaWLVyQsr',
-    pob: '159myq5YUhhoVWu3wsHKHiJYKPKGUrGiyv',
-    claim: '18zw3ZokdfHtudzaWAUnU4tUvKzKiJeN76',
-    governance: '19qj51eTbSFJYU7ZagudkpxPgNSzPMfdPX',
-    nameservice: '19WxDJ9Kcvx4VqQFkpwVmwVEy1hMuwXtQE',
-    resources: '1HGN9h47CzoFwU2bQZwe6BYoX4TM6pXc4b'
+    koin: process.env.KOIN_ADDRESS || '15DJN4a8SgrbGhhGksSBASiSYjGnMU8dGL',
+    vhp: process.env.VHP_ADDRESS || '18tWNU7E4yuQzz7hMVpceb9ixmaWLVyQsr',
+    pob: process.env.POB_ADDRESS || '159myq5YUhhoVWu3wsHKHiJYKPKGUrGiyv',
+    claim: process.env.CLAIM_ADDRESS || '18zw3ZokdfHtudzaWAUnU4tUvKzKiJeN76',
+    governance: process.env.GOVERNANCE_ADDRESS || '19qj51eTbSFJYU7ZagudkpxPgNSzPMfdPX',
+    nameservice: process.env.NAMESERVICE_ADDRESS || '19WxDJ9Kcvx4VqQFkpwVmwVEy1hMuwXtQE',
+    resources: process.env.RESOURCES_ADDRESS || '1HGN9h47CzoFwU2bQZwe6BYoX4TM6pXc4b'
   },
   contracts: {
-    kap: '13tmzDmfqCsbYT26C4CmKxq86d33senqH3',
-    nicknames:'1KD9Es7LBBjA1FY3ViCgQJ7e6WH1ipKbhz'
+    kap: process.env.KAP_ADDRESS || '13tmzDmfqCsbYT26C4CmKxq86d33senqH3',
+    nicknames: process.env.NICKNAMES_ADDRESS || '1KD9Es7LBBjA1FY3ViCgQJ7e6WH1ipKbhz'
   }
 }
diff --git a/utils/providers.ts b/utils/providers.ts
index 9d44128..8c7485d 100644
--- a/utils/providers.ts
+++ b/utils/providers.ts
@@ -1,16 +1,6 @@
 import { config } from '@/app.config'
 import { Provider } from 'koilib'
 
-declare global {
-  namespace NodeJS {
-    interface ProcessEnv {
-      JSONRPC_URL: string;
-    }
-  }
-}
-
 export function getProvider() {
-  const xJsonRpc = process.env.JSONRPC_URL || config.jsonRPC
-
-  return new Provider(xJsonRpc)
+  return new Provider(config.jsonRPC)
 }