Questions tagged [unconfirmed-transactions]

This tag should be used for unconfirmed transactions, transactions that have not yet been included in a block.

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156
votes
10answers
368k views

Why is my transaction not getting confirmed and what can I do about it?

I sent a transaction without (or with an exceptionally small) transaction fee using extremely small or unconfirmed inputs while the stars were not standing right. For whatever reason, I have been ...
30
votes
3answers
15k views

How do transactions leave the memory pool?

How does my bitcoin core client know when to drop a transaction from the memory pool? Is it as simple as a specific period of time?
42
votes
10answers
184k views

How to unstuck a low-fee transaction with blockchain.info?

I've sent a transaction from blockchain.info, but accidentally included too little fee. What can I do to cancel the transaction or speed up the transaction's confirmation? This is a complementary ...
20
votes
2answers
42k views

Is it possible to cancel an unconfirmed transaction?

If you submit a transaction to the network but it hasn't yet be confirmed by a block, is it possible to cancel this transaction?
12
votes
4answers
27k views

How to unstuck a low-fee transaction with Electrum?

I've sent a transaction with Electrum, but accidentally included too little fee. What can I do to speed up the transaction's confirmation or to replace it? This is a complementary question to Why is ...
13
votes
5answers
17k views

Is it possible to add a miner's fee after you send your bitcoins?

I accidentally sent a transaction without a miner's fee and I need it to clear as soon as possible. But, as far as I can tell it's going to take days if it goes through at all. Is there any way that I ...
22
votes
4answers
103k views

What happens if your transaction is never confirmed?

If I have a low amount and don't include a fee, the transaction takes forever to get confirmed. What happens if it never gets confirmed? Can the wallet that I sent it to still spend the money?
40
votes
2answers
35k views

Do unconfirmed transactions expire?

Do they just sit there unconfirmed (e.g. when you be evil and don't pay a tx fee) forever? Or do they get deleted after a few days?
5
votes
1answer
7k views

Transactions seen by peers, but not confirming

I have an old MultiBit wallet (v. 05.16) and within the last month I have experienced delays when transferring bitcoin. Some transfers have been seen by 2 peers and some by 6 peers, but none have ...
8
votes
2answers
7k views

Do unconfirmed transactions expire after some time?

Sometimes confirmation process is very slow. I think that is because of the price of the fee. In that time, is it possible to cancel the unconfirmed transaction and re-send with higher transaction fee?...
8
votes
1answer
14k views

How do you apply “-zapwallettxes” on Windows?

On May 27 I tried to sell some Bitcoins(for the first time). Since that day the transaction is in the status "unconfirmed". The amount is booked from my wallet, but isn't booked to my bank account. ...
2
votes
2answers
2k views

How do I get rid of an unconfirmed transaction on Bitcoin Core 0.14.1?

Can somebody please help me? I have been trying to send .045 Bitcoins (approx $120 USD) I am using Bitcoin Core. I have tried to get rid of the unconfirmed transaction by using -zapwallettxes ...
12
votes
1answer
7k views

Replace-by-Fee vs Child-pays-for-Parent?

Both RBF and CPFP attempt to solve the problem of transactions not confirming because of an insufficient fee. What are the pros/cons of using one vs the other? Are both currently functional and ...
11
votes
2answers
3k views

Can someone outline the full pros/cons of the various Replace-By-Fee proposals?

I've done some research myself, but I find that I'm either biased myself, or my sources themselves are biased. Does anyone have an objective analysis of the various proposals and their advantages/...
4
votes
2answers
1k views

Is it possible to spend an output that hasn't yet been confirmed?

From something I noticed in this thread: Unconfirmed BTC MtGox will send a transaction to spend one of the outputs of a transaction that hasn't yet been confirmed. Is it possible for both of the ...
4
votes
2answers
674 views

Why is the transaction priority removed?

As far as I know, in the earlier version of Bitcoin, there was a mechanism about transaction priorities. However, it has been removed (or not being taken into account anymore) and now the only ...
3
votes
2answers
2k views

Multibit HD 0.5.1 with Unconfirmed transactions for months now

Multibit HD 0.5.1 This is my wallet's transaction list and amount: I am having the following issues: I don't understand why do I have 0.07btc ~ 224.59$ unconfirmed for a month by now. I have three ...
3
votes
1answer
4k views

Longest unconfirmed transaction?

I recently tried to make a transaction with coinbase. In a hurry I put no fee though. It's still unconfirmed and blockchain.info doesn't recognize my hash. But my btc qt wallet is debited. My question ...
2
votes
2answers
217 views

How confirm my own doublespend transaction got confirmed

Transactions in the testnet are right now almost always double spent with a new txid (possible due to tx malleability). This is actually quite nice for testing purposes. So I'm wondering - when I ...
-2
votes
4answers
1k views

I think I found 241 Bitcoin [closed]

I have been having dreams for the past month about BTC and an old computer I had bought Bitcoin on a long, long time ago. I just found said computer in my grandmother's basement. Booted it up and lo ...
2
votes
1answer
336 views

What is the network mempools unconfirmed transaction expiration time?

I sent a bare $1000 multisig transaction using sendrawtransaction with a too low fee. When I create a new transaction with a higher fee, I m getting txn-mempool-conflict error, and when I use the ...
2
votes
0answers
229 views

How to unstuck a low-fee transaction sent from MultiBit?

I've sent a transaction with MultiBit Classic or MultiBit HD, but accidentally included too little fee. What can I do to speed up the transaction's confirmation or to replace it? This is a ...
2
votes
2answers
3k views

Transaction still unconfirmed [duplicate]

I sent some money 3 hours ago my BTC client (Bitcoin Core) still says the payment is unconfirmed ?. Any help much appriciated
1
vote
1answer
42 views

Looking for a tool that gives a score based on the likely hood of a 0-confirm deposit being douple spent

I know there is gap600, but it's proprietary, closed source and most likely expensive. If there is an open source free solution then please let me know.
0
votes
1answer
562 views

Transaction unconfirmed for hours [duplicate]

I need any help you can provide me regarding the transaction ea36f903db582e5b87c3618208cae2b28957521b8567f5d7934fc8b47a663bd8 It has been unconfirmed for more than 6 hours and I don't know what to do....
9
votes
1answer
6k views

Is it possible to view unconfirmed transactions with the bitcoin client?

This site shows you unconfirmed bitcoin transactions: https://blockchain.info/unconfirmed-transactions As I understand it, these unconfirmed transactions are received and rebroadcast by every bitcoin ...
4
votes
1answer
484 views

Can transaction inputs reference outputs of pending transactions?

The inputs of a transaction reference outputs of previous transactions. These previous transactions must already be present in the block chain, or can also be pending transactions? I don't know if ...
8
votes
2answers
1k views

What happens to transactions in the mempool when their parent transaction expires?

I was just reading the Coin Metrics Newsletter #53, and it included a section about the recent mempool congestion. After mentioning transactions that got evicted due to the network's queue of ...
2
votes
3answers
123 views

Why can’t lightning tx’s be signed with sighash single to allow for fee updates?

Are out-of-band fee payments to confirm a lightning closing transaction the only way to manage a situation where the sat/kw of a previously signed commitment tx are simply below market? If additional ...
2
votes
1answer
944 views

I sent out a payment over a day ago and it's still not confirmed [duplicate]

https://blockchain.info/tx/3b047ef34fcd283ce57868dedb80eb239970ded1aeb10c0fe3a39360dc822056 https://blockchain.info/tx/2a774b4a29a498f95aeb8fd256c36404118fce1157aea976a3fcfe0f29a6918c Electrum won't ...
7
votes
2answers
2k views

How does an SPV node verify an unconfirmed transaction?

Alice pays Bob 1 BTC with a simple pay-to-address type transaction. Three seconds after Alice broadcasts her transaction, Bob's Simplified Payment Verification (SPV) wallet displays a message saying ...
5
votes
1answer
3k views

Unconfirmed transaction for 2 days despite network fees, rescans and redownload

I made a transaction 2 days ago, (using BitcoinQT 0.8.1-beta on MacOS X) that didn't propagate. I can't find the transaction on blockexplorer or blockchain.info (or anywhere else for that matter) yet. ...
4
votes
2answers
692 views

bitcoind getrawmempool without downloading the full blockchain

I'm running bitcoind from a small virtual machine on digitialocean. I'm interested only in looking at the new transactions in bitcoind getrawmempool Is there a way to get these transactions without ...
4
votes
4answers
2k views

How does a wallet use unconfirmed outputs as inputs after unconfirmed transactions?

I have 10 btc on address A. Using raw transaction, I send 5btc from A to B and set the change address as A itself. Now because the transaction from A to B is not confirmed I can't spend the remaining ...
3
votes
1answer
2k views

Found an old wallet with transaction history with coins (unconfirmed), but no balance [duplicate]

I have found an old bitcoin wallet in my files. I can see there are old transactions but they aren't confirmed. But there should be more BTC received than was sent, so there should be a balance. Is ...
3
votes
3answers
121 views

Does descendant size affect transaction fees?

While calculating the transaction fee miners usually take ancestor size into the account. But does the descendant/output also affect the transaction fee calculation? Is descendant count correlated to ...
3
votes
1answer
2k views

Sent bitcoin with no fee, waited and bitcoins disappeared

I sent about $425 to an adress from my bitcoin-qt wallet and forgot to include a fee. So I googled and googled and waited around for 4 or 5 days for it to stop broadcasting but I get on my computer ...
3
votes
0answers
14k views

Any way to delete unconfirmed transaction? [duplicate]

Recently I sent some bitcoins without adding a fee and now, it's been taking too long. Is there any way I can recover my bitcoins? I want to delete my unconfirmed transactions from Blockchain.info? I ...
2
votes
2answers
616 views

Do we put all the transactions in the memory pool?

I wonder if orphan transactions are also stored in the memory pool? If yes, how do the Bitcoin client distinguish between the orphan and non-orphan transactions?
2
votes
1answer
2k views

Spending unconfirmed output from a change address

Consider a custom program which will occasionally need to send out bitcoin to users to whom I owe money. Let's say I have 100 unspent BTC at address ADDR_A. UserX demands payment of 1 BTC to ADDR_X. ...
2
votes
1answer
627 views

Stuck transactions [duplicate]

I tried to send some bitcoins 2 days ago and they have sat there 0 confirmations - I guess because of 'dust' from faucets included in there. I think I specified default transaction fee but obviously ...
1
vote
2answers
1k views

Is it possible to confirm a specific transaction with your own miner?

I sent a Bitcoin transaction a few days ago and it still doesn't have any confirmations. I actually have a ASIC miner. Is it possible to confirm a specific transaction, in this case mine, with my ...
1
vote
1answer
548 views

Transferring bitcoins out of an old multibit wallet

A few years ago I bought bitcoins and I've kept it in a Multibit 0.5.15 (Mac OSX) wallet. Now I want to either sell thes bitcoins or send it to a different wallet. I already made a transfer but since ...
1
vote
1answer
1k views

Unconfirmed BTC [duplicate]

Can anyone tell me how to fix BTC that seems stuck as unconfirmed? Here is the blockchain info: https://blockchain.info/tx/37ffff757d1735a8c4fe96a0ee63a7d797e9bc5a858b7a60f81eaf935bee5709?show_adv=...
1
vote
2answers
267 views

Do all block explorers show all unconfirmed transactions?

If I want to show someone that I just made a transaction without showing them my wallet, could I expect that it would be recorded on a block explorer immediately?
1
vote
2answers
1k views

Found old Bitcoin wallet of mine, but has unconfirmed transactions from 2013

I found one of my old wallets.dat from way back, so I loaded it up and see that I had transactions but they never got confirmed. I can't remember if I just never let them run? But how would it be ...
0
votes
1answer
130 views

Comparison BTC and ETH uncomfirmed transactions queue

When I compare BTC mempool count and ETH transaction queues, ETH queues are much larger. I would appreciate explanations why it is so. *BTC mempool count https://blockchain.info/ja/charts/mempool-...
0
votes
1answer
356 views

How can the output of an unconfirmed transaction be spent?

This transaction has been stuck for a few days: af660c5eafe582f22254c9778d18a628d1d2fdea812e983713379458b7c2c9df https://blockchain.info/tx/...
0
votes
2answers
515 views

How to find what is suitable transaction fee to send 10 mBTC?

Using MultiBit Desktop Wallet, I can see that the default transaction fee is set to 0.5 mBTC per KB. Usually that default rate worked fine. But yesterday, when I tried that and my transaction has ...