diff --git a/challenge/.env.template b/challenge/.env.template
deleted file mode 100644
index be55487..0000000
--- a/challenge/.env.template
+++ /dev/null
@@ -1,13 +0,0 @@
-# this file should contain environment variables specific to algokit localnet
-ALGOD_TOKEN=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-ALGOD_SERVER=http://localhost
-ALGOD_PORT=4001
-INDEXER_TOKEN=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-INDEXER_SERVER=http://localhost
-INDEXER_PORT=8980
-
-KMD_TOKEN=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-KMD_SERVER=http://localhost
-KMD_PORT=4002
-KMD_WALLET="unencrypted-default-wallet"
-KMD_PASSWORD=""
\ No newline at end of file
diff --git a/challenge/index.ts b/challenge/index.ts
index 73e28a5..66e9589 100644
--- a/challenge/index.ts
+++ b/challenge/index.ts
@@ -29,7 +29,9 @@ const txn = algosdk.makePaymentTxnWithSuggestedParamsFromObject({
     amount: 1000000,
 });
 
-await algodClient.sendRawTransaction(txn).do();
+const signed_txn = algosdk.signTransaction(txn, sender.sk);
+
+await algodClient.sendRawTransaction(signed_txn.blob).do();
 const result = await algosdk.waitForConfirmation(
     algodClient,
     txn.txID().toString(),