diff --git a/challenge/index.ts b/challenge/index.ts
index 73e28a5..a54a6bc 100644
--- a/challenge/index.ts
+++ b/challenge/index.ts
@@ -10,17 +10,6 @@ const receiver = await algokit.mnemonicAccountFromEnvironment(
     algodClient,
   )
 
-/*
-TODO: edit code below
-
-Puzzle: 
-The below code is trying to send a payment from accounts[0] to accounts[1]. 
-However, the code is not working. fix the code so that the payment is sent 
-successfully. 
-
-When solved correctly, the console should print out the following:
-"Payment of 1000000 microAlgos was sent to RRYKB23LFR62G3P4SFINZDQ4FVDUNWWQ4NOF7K6TP5GO65BQCHYMNTR3CU at confirmed round 59"
-*/
 const suggestedParams = await algodClient.getTransactionParams().do();
 const txn = algosdk.makePaymentTxnWithSuggestedParamsFromObject({
     from: sender.addr,
@@ -29,10 +18,12 @@ const txn = algosdk.makePaymentTxnWithSuggestedParamsFromObject({
     amount: 1000000,
 });
 
-await algodClient.sendRawTransaction(txn).do();
+const signedTxn = txn.signTxn(sender.sk);
+
+const { txId } = await algodClient.sendRawTransaction(signedTxn).do();
 const result = await algosdk.waitForConfirmation(
     algodClient,
-    txn.txID().toString(),
+    txId,
     3
 );