diff --git a/src/config/index.ts b/src/config/index.ts
index 930c1cc..8a70054 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -58,6 +58,7 @@ const envVarsSchema = Joi.object()
     OCI_BACKEND_URL: Joi.string().required().description('Oci Backend url'),
     TEMPORAL_URI: Joi.string().required().description('Temporal address'),
     TEMPORAL_QUEUE_HEAVY: Joi.string().required().description('Queue for heavy workflows'),
+    BLOCKCHAIN_NETWORK_MODE: Joi.string().valid('mainnet', 'testnet').required(),
   })
   .unknown();
 
@@ -162,4 +163,5 @@ export default {
     heavyQueue: envVars.TEMPORAL_QUEUE_HEAVY,
   },
   ociBackendURL: envVars.OCI_BACKEND_URL,
+  blockchainNetworkMode: envVars.BLOCKCHAIN_NETWORK_MODE,
 };
diff --git a/src/constants/chains.constant.ts b/src/constants/chains.constant.ts
new file mode 100644
index 0000000..ac4f38c
--- /dev/null
+++ b/src/constants/chains.constant.ts
@@ -0,0 +1,2 @@
+export const MAINNET_CHAIN_IDS = [42161]; //arbitrum
+export const TESTNET_CHAIN_IDS = [84532]; // base sepolia
diff --git a/src/services/nft.service.ts b/src/services/nft.service.ts
index 02bc7b7..530737f 100644
--- a/src/services/nft.service.ts
+++ b/src/services/nft.service.ts
@@ -10,6 +10,8 @@ import moduleService from './module.service';
 import platformService from './platform.service';
 import ociService from './oci.service';
 import communityService from './community.service';
+import { MAINNET_CHAIN_IDS, TESTNET_CHAIN_IDS } from '../constants/chains.constant';
+import config from '../config';
 
 const logger = parentLogger.child({ module: 'NftService' });
 
@@ -54,9 +56,9 @@ const getReputationScore = async (tokenId: string, address: string) => {
 
 async function getProfiles(address: string) {
   let profiles: Array<any> = [];
-  const supportedChainIds = [84532, 42161];
-  for (let i = 0; i < supportedChainIds.length; i++) {
-    const chainProfiles = await ociService.getProfiles(address, supportedChainIds[i]);
+  const supportedChainIds = config.blockchainNetworkMode === 'mainnet' ? MAINNET_CHAIN_IDS : TESTNET_CHAIN_IDS;
+  for (const chainId of supportedChainIds) {
+    const chainProfiles = await ociService.getProfiles(address, chainId);
     profiles = profiles.concat(chainProfiles);
   }
   return profiles;