You may find that the external wallet you sent to does not allow you to send unconfirmed UTXOs. Make sure to choose a fee rate high enough to ensure it will be mined. To do this, you would have to send the unconfirmed UTXO. If the transaction is still in the mempool and the receiving wallet supports it, you can try something called CPFP (Child Pays For Parent ). If your transaction is urgent, there are a couple options available to you in your Casa app, detailed below. Once a transaction is propagated throughout the network, there is very little you can do to "unsend" it or change it. RBF (Replace By Fee) is a bitcoin feature that allows you to send a second transaction with a higher fee to replace the first. At that time, you'll have the option to send it again with a higher fee. If it doesn't confirm and is dropped from the mempool, then the funds will be "returned" to your wallet as if the transaction never took place (though cached data may still show the transaction in your Casa app). If you are not in a hurry to send your transaction, the best solution may be just to wait for it to confirm.Įven in times that your transaction takes an abnormally long time to confirm, your funds are safe. Most transfers that are sent from the Casa app with a low fee do eventually confirm. Generally speaking, transactions sent with a higher fee will confirm faster. While the app does try to give you the best fee estimate, there's never a guarantee that any transaction will confirm on the blockchain. ![]() ![]() The fee estimate given to you by the Casa app changes from block to block based on recent past network activity. It's possible you're reading this because your transaction got stuck in the mempool. At times, the bitcoin network experiences very high transaction delays for transactions made with low fee levels.
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