diff --git a/scripts/ddc-setup/ddcSetup.js b/scripts/ddc-setup/ddcBucketSetup.js
similarity index 100%
rename from scripts/ddc-setup/ddcSetup.js
rename to scripts/ddc-setup/ddcBucketSetup.js
diff --git a/scripts/examples/ddcBucketDemo.js b/scripts/examples/ddcBucketDemo.js
index 22b2527e..e536a832 100644
--- a/scripts/examples/ddcBucketDemo.js
+++ b/scripts/examples/ddcBucketDemo.js
@@ -281,6 +281,34 @@ async function main() {
         log("ClusterDistributeRevenues", event, "\n");
     }
 
+    {
+        log("Batch Transaction example");
+
+        const updatedVNodes = [7,8,9];
+        const tx1 = bucketContract.tx.clusterResetNode(
+            txOptions, 
+            clusterId,
+            nodeKey,
+            updatedVNodes
+        );
+
+        const updatedNodeParams = "{\"url\":\"https://ddc-456.cere.network/storage/1\"}";
+        const tx2 = bucketContract.tx.nodeSetParams(
+            txOptions, 
+            nodeKey,
+            updatedNodeParams
+        );
+
+        const batchTx = api.tx.utility.batchAll([
+            tx1,
+            tx2
+        ]);
+        
+        const result = await sendTx(account, batchTx);
+        printGas(result);
+        log(getExplorerUrl(result));
+    }
+
     log("    ----    \n");
 
     {
diff --git a/scripts/package.json b/scripts/package.json
index b54cd421..fce07905 100644
--- a/scripts/package.json
+++ b/scripts/package.json
@@ -5,9 +5,9 @@
   "license": "Apache-2.0",
   "scripts": {
     "ensure-deps": "yarn --cwd sdk",
-    "setup-ddc-bucket": "yarn ensure-deps && node ddc-setup/ddcSetup.js",
     "deploy-ddc-bucket": "yarn ensure-deps && node deployment/ddcBucketDeploy.js",
     "demo-ddc-bucket": "yarn ensure-deps && node examples/ddcBucketDemo.js",
-    "print-ddc-bucket": "yarn ensure-deps && node examples/ddcBucketPrint.js"
+    "print-ddc-bucket": "yarn ensure-deps && node examples/ddcBucketPrint.js",
+    "setup-ddc-bucket": "yarn ensure-deps && node ddc-setup/ddcBucketSetup.js"
   }
 }
\ No newline at end of file
diff --git a/scripts/sdk/src/config/index.js b/scripts/sdk/src/config/index.js
index 8c6b577a..0cc4ebd3 100644
--- a/scripts/sdk/src/config/index.js
+++ b/scripts/sdk/src/config/index.js
@@ -1,4 +1,4 @@
-// todo: introduce Dotenv
+// todo: introduce DOTENV and allow reading variables from environment
 
 const ACTOR_SEED = "//Alice";
 
@@ -6,11 +6,11 @@ const EXPLORER_URL = "https://explorer.cere.network";
 const DDC_BUCKET_CONTRACT_NAME = "ddc_bucket";
 
 const DEVNET_RPC_ENDPOINT = "wss://archive.devnet.cere.network/ws/";
-const DEVNET_DDC_BUCKET_ADDR = "6TCrAcm51jYJwNbEc7zYFBvuBaPru9B1cAkU4PpgoTpTy9VZ";
+const DEVNET_DDC_BUCKET_ADDR = "";
 const DEVNET_CHAIN_NAME = "Cere Devnet";
 
 const TESTNET_RPC_ENDPOINT = "wss://archive.testnet.cere.network/ws/";
-const TESTNET_DDC_BUCKET_ADDR = "6TyNotWczZXMaXkF6mJ2cBMS6e1hgu5hFYuTpfg9vtH35gu3";
+const TESTNET_DDC_BUCKET_ADDR = "";
 const TESTNET_CHAIN_NAME = "Cere Testnet";
 
 const LOCAL_RPC_ENDPOINT = "ws://127.0.0.1:9944/";