I initially set a low fee to one transaction, trying to cancel the transaction I runned bit coin core with -zapwallettxes and all transactions in bit coin core disappeared. I still can see the transaction unconfirmed in mempool, but cannot cancel it from my wallet because is no longer listed. I have tryed -bumpfee but the answer is “the transaction is not in your wallet”. Now I really do not know what to do. The transaction is unconfirmed. I cannot bumb the fees , I cannot cancel it. I would like to recover those bitcoin and send it either to the destination or back to the source wallet.

Txid: 9e43c1a702acec274d9d2fc727f4e4693f13eacaeb8a8edaec76d622e7771be2

Any suggestions ?

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I [ran Bitcoin] core with -zapwallettxes

The Release Notes for Bitcoin Core 0.21.0 say

The -zapwallettxes startup option has been removed and its functionality removed from the wallet. This option was originally intended to allow for rescuing wallets which were affected by a malleability attack. More recently, it has been used in the fee bumping of transactions that did not signal RBF. This functionality has been superseded with the abandon transaction feature.

I think that was released 2021-01-14, nearly three years ago.

Any suggestions ?

  1. If you have a wallet backup I suggest restoring it and using abandontransaction

    abandontransaction "txid"

    Mark in-wallet transaction as abandoned
    This will mark this transaction and all its in-wallet descendants as abandoned which will allow
    for their inputs to be respent. It can be used to replace “stuck” or evicted transactions.
    It only works on transactions which are not included in a block and are not currently in the mempool.
    It has no effect on transactions which are already abandoned.

    (my emphasis)

  2. Possibly relevant? – How exactly does -rescan work?

  3. Whatever you do, use backupwallet first.