Let's say the node with the winning block is the signer of verifying the previous hashes. When the node attempts to relay the information not only is his winning block invalid because the signature for verifying the hashes are invalid but also by default all nodes receiving invalid info will be default block the IP address of any node trying to send or relay invalid hashes. Am I missing something?
yeah you're missing the code that should be attached showing how you're going to accomplish this. I also don't understand why any of this is relevant.