private static void BuildMutatedBlock(BlockTemplate newBlock)
{
Transaction coinbaseTransaction = newBlock.Block.Transactions[0];
Transaction outTransaction = TransactionsHelper.BuildNewTransactionFromExistingTransaction(coinbaseTransaction, 0);
newBlock.Block.Transactions.Add(outTransaction);
Transaction duplicateTransaction = TransactionsHelper.BuildNewTransactionFromExistingTransaction(coinbaseTransaction, 1);
newBlock.Block.Transactions.Add(duplicateTransaction);
newBlock.Block.Transactions.Add(duplicateTransaction);
}