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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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7
votes
0answers
27k views

Blockchain - How can I cancel my blockchain transaction, unconfirmed after +1 day [duplicate]

I am using blockchain.info. I have made a bitcoin transaction of 4.79 BTC to the address 1DWaEfPbcKQvjMi9D9eNMrVRQzWiSLVvaS. (exchanger) You can see the transaction at https://blockchain.info/tx/...
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
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/...
2
votes
3answers
14k views

How many confirmation do i have to wait before i can spend the inputs I already received?

Can I spend Inputs with 0 confirmations?? If I could, are there some restrictions?
21
votes
1answer
568 views

Have any SPV users lost money because they accepted forged bitcoins?

I'm making a list of real-life examples of occasions where bitcoins were lost to various known attacks. One of these known attacks is that lightweight (SPV) wallets can't verify whether a transaction ...
1
vote
2answers
10k views

Transaction unconfirmed after almost 2 day! Help! [duplicate]

I tried to send a bitcoin transfer Wednesday evening and it is still unconfirmed. It says "fees 0" but I have my block chain account set to "use recommended fee" by default. Can anyone help me get ...
0
votes
1answer
648 views

Why did my transaction not include the fee?

I moved 0.30 BTC from Bitcoin Wallet for Android to a new Coinbase wallet I had created, I have waited and waited – now it’s been 29 hours. It turns out the transaction doesn’t include a fee, which ...
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 ...
4
votes
2answers
691 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 ...
1
vote
1answer
194 views

What transactions will be included in the next block?

The miners decide whether a transaction will be included in the block. What information do miners have about unconfirmed transactions? How can I know, in detail, what transactions are going to be ...
1
vote
2answers
2k views

Unconfirmed transaction - Non(e) standard input

A few hours ago, I created an offline transaction using the offline transaction tool available at: https://www.strongcoin.com/downloads/offlineTransaction.zip I coped and pasted the resulting ...
4
votes
1answer
267 views

How safe is sending out transactions using unconfirmed inputs for a service?

I've been running into problems with a high-traffic hot wallet, where a single transaction would lock up any input for a block with the spendzeroconfchange disabled. Would it be safe for a service ...
0
votes
1answer
2k views

Unconfirmed Transaction using Blockchain.info wallet [duplicate]

I sent 0.08 BTC yesterday using the blockchain.info wallet on the iPhone. It's been 24 hours and my money is still unsent; I really don't know what to do. It still says unconfirmed. Why is this? ...
1
vote
1answer
3k views

Unconfirmed Transaction >22 hrs [duplicate]

I realise that this might be a duplicate however I have not actually seen a sufficient answer to the question aside from 'wait'. I submitted a transaction yesterday from a blockchain wallet to a ...
1
vote
0answers
257 views

Unspent Bitcoins [closed]

Is there any method to retrieve bitcoins holded in unspentable transactions? I'm trying to transact coins from address A to address B, but coins in address A is holded in unspentable transactions. I ...
6
votes
1answer
484 views

Spending own generated unconfirmed change in the v.0.9.0 era

Reading about spending own generated unconfirmed change some time ago I stumbled upon this reddit thread that convinced me that doing so is a really bad idea and could prove catastrophic for any ...
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 ...
1
vote
1answer
226 views

Correlated raw transactions' input/output chaining

So I'm in the process of implementing a BTC-based payment module where for every transaction to a non-wallet account a fraction of the amount will end up to a charity account in a external wallet not ...
13
votes
5answers
16k 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 ...
21
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?
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 ...
1
vote
0answers
168 views

Transactions Won’t Confirm [duplicate]

I have an offline wallet and I wanted to send some bitcoins to myself on an account I have on one of the exchanges. I sent a small amount 6 days ago and it still hasn’t gone through. I’m not sure why ...
0
votes
1answer
1k views

My BTC is taking way too long to transfer [duplicate]

I earned 0.4 BTC from constant mining. (I use 50BTC). So I clicked payout, and sent them all to my BlockChain account. It's been "In Process" for about 1 day. What's the problem here? Does it usually ...
0
votes
1answer
1k views

Unconfirmed Transactions [duplicate]

Two of my transactions are still unconfirmed after more than 24 hours. The estimated confirmation times at blockchain.info are not accurate. 5 hours ago the estimate was 3 hours now it's saying 22 ...
4
votes
1answer
2k views

Bitcoin transaction with 0.0001 BTC fee not getting confirmed? [duplicate]

I sent the following transaction a few hours ago with Bitcoin-QT: https://blockchain.info/tx/b5682b48484a8752be62c6b4036eaf8a8f005d9ea75cbff434476b7506a9e3a2 And the transaction still has not been ...
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 ...
6
votes
2answers
3k views

How to remove unconfirmed, non-existent transaction from QT wallet [duplicate]

I transferred 10 btc from my Coinbase acct to my wallet. The transaction appears twice in my wallet, one went right through and confirmed within minutes, the other has 0 confirmations (after 2 weeks),...
2
votes
0answers
3k views

Bitcoin transaction stuck as unconfirmed with no fee [closed]

I could have sworn when i tried withdrawing BTC to my local BTC wallet i set the fee to 0.005 The blockchain shows no fee was paid and the transaction is hanging with 0 confirmations. I really am ...
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 ...
5
votes
2answers
23k views

Why did my Coinbase transaction take 4.5 hours to get in a block?

Why did this transaction take so long to be put in a block? I initiated a 7 BTC transfer at 6:13 PM Eastern Time from Coinbase to an external address in an over the counter transaction today. It was ...
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 ...
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=...
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
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. ...
1
vote
0answers
69 views

How do i rectify a wrong tx and an unconfirmed transaction? [duplicate]

unconfirmed transaction - be3744d2be312e2e51ed6ac8f8ec5ea5695978ac5f729c52985191b1739cdbca https://blockchain.info/tx/be3744d2be312e2e51ed6ac8f8ec5ea5695978ac5f729c52985191b1739cdbca Problem - ...
155
votes
10answers
367k 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 ...
4
votes
2answers
436 views

Can I see all transactions not included in a block yet?

I'm running bitcoind and would like to see which transactions I've received but haven't been included in a block yet. Is that possible, or do I need to run special mining software to see that?
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?

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