Bitcoin fake transactions Suppose, A and B are malicious attackers. Both want to send unlimited fake transactions to each other. I know that the transactions won't be accepted in the blockchain. In fact, they don't want their transactions to be mined. But, is there any way to take a countermeasure against A and B? And, what will be the cost?
The countermeasure is built in the system. All non malicious nodes would instantly discard the fake transactions.
I don't understand the problem statement though, like why would any one want to broadcast fake transactions without any motive that it gets mined.