Edit: I think I have arrived at the same page where im doing P2P transfer
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You should not add screenshots like that as it shows personal names of parties involved in the transaction, that is terrible for your privacy. Best to edit the screenshot out of the post. The rate for USDT looks to be high but its P2P so I will assume there are other reasons you chose to trade with that person.
What would have happened if i didn't set an optimal fee? Could the transaction be stuck for months? I am using Electrum 4.5.5
It would have remained on the network till majority of nodes have dropped it from their mempool. It could still be rebroadcasted by some so there is no specific length of time. The default mempool retention period is 2 weeks.
- Jay -