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I recently tried sending some btc to coinbase. In a hurry I did not put a transaction fee. I've tried to explain to their customer support what is going on. I offered to charge me a fee through my wallet on coinbase to do a pay for parent protocol. Their lack of understanding is making me worry. I tried using ViaBTC. I put in the transaction ID and they said the TXID did not exist. Any suggestions would be appreciated. Its approaching 7 days now. Thank you.

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    Did you literally set a fee of zero? Such transactions are normally not relayed, so it would be normal if coinbase never saw it. If you can tell your wallet software to just forget the transaction, then you can simply create a new one (spending the same inputs) that does have a fee. – Nate Eldredge Oct 13 at 2:25
  • how do i resend with the same inputs? I am using bitcoin qt 4.8.3. It has been 7 days now. Not confirmed. I mentioned cpfp and asked them to bill my account accordingly, I don't think they even understand what I am talking about. Its all pre programmed email responses. I am worried coinbase is going to change my coinbase btc wallet address. This is my second btc transaction with them and my second coinbase btc wallet address. I think thats how messed up they are. Any suggestions? – dave Oct 13 at 19:43
  • See bitcoin.stackexchange.com/questions/9046/…. Note that 4.8.3 is incredibly ancient and it would be wise to upgrade. It is not a problem if they change your wallet address, this is normal and desirable. Just use the new one for the destination of the new transaction. – Nate Eldredge Oct 13 at 19:54
  • so just resend it? What happens to the original transaction? Will my btc qt wallet be credited from the original transaction? – dave Oct 13 at 20:12
  • As far as the blockchain is concerned, the original transaction never existed and the funds never left your wallet. You just have to convince your own wallet to forget about the original transaction as well, so that it has the same view as the rest of the world. Then you can create a new transaction. It's good to make sure that the inputs of the original transaction are spent, to avoid any possibility of some attacker resurrecting the original transaction in the future - as mentioned in the linked answer, this can be done by simply sending your entire balance to yourself. – Nate Eldredge Oct 13 at 21:20
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In any case, receiver (Coinbase) can't do much to make your transaction confirm faster. Except CPFP, but you can do the same with your change output, if you have it. But, as mentioned above, if tx fee really is 0, it will not be relayed by the network, as default relay fee is 1 satoshi per vbyte. Also, in 7 days it should have been confirmed, as mempool clears out regularly at the moment. I bet you will not see that transaction by txid in any public block explorer either. So, you should just send them again from the wallet you initially send them out.

  • how do i resend with the same inputs? I am using bitcoin qt 4.8.3. It has been 7 days now. Not confirmed. I mentioned cpfp and asked them to bill my account accordingly, I don't think they even understand what I am talking about. Its all pre programmed email responses. I still would like the transaction to go through and my coinbase account credited. I am worried coinbase is going to change my coinbase btc wallet address. This is my second btc transaction with them and my second coinbase btc wallet address. I think thats how messed up they are. Any suggestions? – dave Oct 13 at 19:44
  • Why do you need exactly the same inputs? Because of potential double spend risks? There is coin control button in Send tab or bitcoin-qt, where you can select individual UTXO's. – Kristaps Kaupe Oct 13 at 21:50
  • I have a bitcoin qt node/wallet 4.8.3 I'd like it to show that I have that unconfirmed transaction back. At this point my wallet is debited, I'd like to make it whole. What should I do? – dave Oct 13 at 22:54
  • Have no idea what is 4.8.3, latest release of bitcoin-qt is 0.18.1. bitcoincore.org – Kristaps Kaupe Oct 14 at 15:29
  • Updating now. Syncing to the network. See what happens. Not to confident I will get the results I'm looking for. With 0.18.1 can I cancel the unconfirmed transaction? Or will it just sync correctly? Don't know, will find out later in the day. – dave Oct 14 at 20:08

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