Sorry, sent without RBF
Too bad, then you only can wait until your transaction removed on most nodes or confirmed.
Topic: 258: txn-mempool-conflict (Read 206 times)
Too bad, then you only can wait until your transaction removed on most nodes or confirmed.
But what are you trying to achieve with double-spend attempt? If your goal to make a transaction confirmed, you can use increase your transaction fees with RBF option.
Sorry, sent without RBF
You need to wait a few days before it expires from the mempool or try from a different blockchain service provider as suggested in this source > https://www.reddit.com/r/Bitcoin/comments/4xcf19/258_txnmempoolconflict/
When trying to send a doublespend transaction, it does not accept with error 258: txn-mempool-conflict
How many old transaction can hang in before removal?
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