so i want to create a fake transaction 1 that will go trough but will not get confiremd because its not real how can i do that?
you can do this on testnet.
Wait what the heck. NO.
I don't think fake transaction would through miners because every transaction node you've made would be relayed on by the miners so that they can verify which is valid. It sounds rather suspicious to make those kind of transactions because you are like trying to deceive or trick someone with some kind of fake transaction sir, I don't meant any offense sir.
Miners validate all transactions but the nodes wouldn't have relayed an invalid transaction in the first place. Mining isn't verifying transactions, strictly speaking. Please look your facts up before spamming.
You could theoretically create a Transaction with a extremely low fee. This TX will show up in the mempools (and therefore also on block explorers).
Therefore you can create a transaction which will be shown online.. but never will go through because no miner will include your transaction into a block.
It really depends on what is your definition of low. If the fee is 100satoshi/KB, it would almost certainly not show up anywhere other than your own wallet. Saying that miners won't include it into their block is also overgeneralisation. Of course they can include it, why not?
