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Questions tagged [confirmations]

Confirmations correspond to the number of blocks that are dependent on a given transaction. This includes the block containing that transaction and all blocks after it in the blockchain. The more confirmations a transaction has, the more likely is it that it will remain in the blockchain permanently.

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Can a bitcoin exchange withhold your bitcoin withdrawal if you don't have the cash to take it out? [duplicate]

Can a bitcoin exchange withhold your bitcoin withdrawal if you don't have the cash to take it out? It's through an exchange called Fame Ex coin.
alvin greathouse's user avatar
0 votes
0 answers
23 views

I have sent some BTC from my wallet on 28 NOV...no confirmations [duplicate]

I have sent some BTC from my wallet on 28 NOV and no confirmations.What do I have to do?Please help...
Puiu Alex's user avatar
3 votes
2 answers
185 views

At what height exactly can a relative time-locked output be spent?

Assume a UTXO created in block n with the output using a relative timelock of s blocks (s OP_CHECKSEQUENCEVERIFY). What is the lowest blockheight which may contain a transaction spending that UTXO? ...
Murch's user avatar
  • 76.4k
0 votes
1 answer
42 views

Bitcoin confirmation

How to finish up conformation process on bitcoin
Bibek Kawan's user avatar
1 vote
1 answer
57 views

Are bitcoins with more confirmations more valuable?

Are bitcoins with more confirmations more valuable, or does the number of confirmations not add a sort of "time value of money (TVM)"?
Geremia's user avatar
  • 4,704
0 votes
2 answers
88 views

Transaction blocks vs bitcoins

Sorry if this question is too basic or if it has somehow been answered before... My understanding is that any type of Bitcoin block must be first mined, which applies to transaction confirmations, for ...
Julius Lerm's user avatar
2 votes
2 answers
260 views

How throughput, latency, finality, waiting time are defined?

I am confused with the below terms. Could someone explain them in simple terms and confirm that my rationale below is correct? Waiting Time - Throughput - Finality - Latency - Confirmation Time I have ...
Nikolas's user avatar
  • 45
1 vote
1 answer
737 views

Can I use the Bitcoin Core CLI to learn the block height at which a transaction was mined?

I am interested in figuring out at what height a transaction was mined, but I cannot find the right command to extract this information. Perhaps it's not possible? My Bitcoin Core was not involved as ...
StatsScared's user avatar
1 vote
2 answers
105 views

What is the point of confirming a bitcoin transaction more than once?

Given that the bitcoin blockchain is immutable, why is there a need to have more than six confirmations for the same transaction? I was under the impression that a bitcoin transaction is 'official' ...
StatsScared's user avatar
0 votes
1 answer
50 views

Is it correct to differentiate between a validated bitcoin transaction and a confirmed bitcoin transaction?

From my understanding, a transaction is first 'validated' by nodes once a transaction is propagated - so in the early stages. These validated, but unconfirmed, transactions are then collected by ...
StatsScared's user avatar
0 votes
1 answer
91 views

what kind of a double spend attack is a career attack?

there is an article that name different type of double spent attach like "Several variations of attacks could allow miners with bad intentions to double spend. Included are the Finney attack, ...
pardis.ti's user avatar
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1 answer
74 views

Can Finney attacks only be made by miners?

I read this article about double spending attacks. The article has a sentence that goes like this: "Finney attacks can only be executed by miners, and are therefore fairly technical and obscure.&...
pardis.ti's user avatar
1 vote
2 answers
221 views

What is the downside of having a default setting in which nodes will invalidate blocks that comprise a surprise reorg?

Suppose that suddenly, out of nowhere, a longest-chain appears that reorgs the last 15 blocks. Such an attack could be accomplished from time-to-time even by a minority attacker who is either lucky ...
MicahW's user avatar
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0 votes
1 answer
74 views

what is the confirmation section in the block info?

in the details of a bitcoin block there's a section called block confirmation (which is different than transaction confirmation), first i thought it was the number of the blocks that are created after ...
pardis.ti's user avatar
0 votes
1 answer
41 views

It takes longer to transact your money Bitcoin! Why?

When it says transactions takes up to 10 minutes, Why do it take more then two minutes when you transfer money into another account
Shawnsean da Quadkilla's user avatar
2 votes
1 answer
630 views

Is it safe to close a wallet and switch off the computer when there are only one or two confirmations?

This happens every time I have to send Bitcoin somewhere - a small clock symbol opens up in the electrum wallet, and the colour slowly changes from orange to friendlier shades of green as the number ...
cardamom's user avatar
  • 145
2 votes
2 answers
625 views

Incoming transaction has been marked as pending since 2013. How can I retrieve it?

I requested BTC from someone back in 2013. Its been in pending status ever since. It has nearly 500,000 confirmations. The value of transaction when initiated was only $200 or so. Now the value is ...
S D's user avatar
  • 21
-1 votes
1 answer
53 views

How to check coins & confirmations amount programmtically without third party site

How do I check the amount of coins are in a crypto wallet? And how do I check the confirmations? Is this process different for each cryptocurrency? I'd like to check these without having to rely on a ...
Trevor's user avatar
  • 181
0 votes
1 answer
370 views

I have received £46,21745 in my Bitcoin account. Should I confirm it?

I don't have a Bitcoin account (I never made one), but I got an email 📨 that I have received £46,21745 in my account and my first payment is ready for my confirmation. I would like to know how ...
user avatar
0 votes
2 answers
140 views

Bitcoin: How does Proof of Work and single transactions align?

I'm reading papers since hours and still don't get one thing: A bitcoin transaction is an information like "Bob sends 2 BTC to Alice". This message is signed with Bobs private key and needs ...
user avatar
-3 votes
1 answer
679 views

Why is this burn address starting to get confirmations?

Can anyone explain why the burn address 1111111111111111111114oLvT2 started receiving confirmations only on 8th June? 1st transaction is 11yrs? I thought a burn address doesn't get any confirmations, ...
ShAr's user avatar
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1 vote
2 answers
80 views

Does Bitcoin "confirmations" have nothing to do with fullnodes -- only miners?

Roughly every 10 minutes, a new "block" is created. If Joe sends Sue a satoshi, it will be at least 9 minutes and 59 seconds until they get 1 confirmation (as I understand it). Then, ...
Q Zeedyk's user avatar
1 vote
1 answer
50 views

How many times a single transaction can be included into different blocks?

I would like to know is there a limit after which a miner cannot include a transaction into his block.
user114141's user avatar
3 votes
1 answer
87 views

How to configure bitcoind to wait for X confirmations to make the payment submitted

I'm using bitcoind for an ecommerce website. Walletnotify setting in bitcoin.conf only fires twice (once the payment appears on the network and then when the payment is confimed the first time by a ...
Valometrics.com's user avatar
1 vote
1 answer
94 views

How the bitcoin network solves the double-spending problem by adding all the transactions that happened at the same time into one block

According to my research, I understand if person A sends 2 BTC to person B and at the same time person A sends the same input to himself before the input is considered as spent. So, now there will be ...
Haider Yaqoob's user avatar
0 votes
1 answer
203 views

Sent two btc transacton to payeer wallet less than the mnmum deposit,neither where credited

recently sent to my payeer wallet a 0.0002 btc transaction which is less than the 0.0005 minium btc deposit, then did a second transacton of 0.0003 btc thnking that it will sums up. Both transaction ...
thebalrog's user avatar
1 vote
2 answers
93 views

Why does a thin node need to know if a transaction is present in specific block's merkle tree?

I understand what a merkle root is and how merkle proofs work. It's all about thin nodes checking whether a specific transaction ID is in a specific block. So, thin node says: I have a transaction ID -...
Nika Kurashvili's user avatar
0 votes
1 answer
137 views

Why doesn't BTC reward miners for confirmations, too?

Currently as far as I know when a miner discovers enough 0s, he broadcasts his solution to the network in order to win the coins. While, he broadcasts his solution (which gave him the 0s), he also ...
caveman's user avatar
  • 135
1 vote
1 answer
66 views

Where does "Included in Block" value comes from?

I was exploring transactions inside of a blockchain using this site, and inside of a transaction I noticed there is attribute called Included in Block and its description is: block this transaction ...
ddavi031's user avatar
  • 479
2 votes
1 answer
45 views

Is history reversal a concern if the absence of attackers is assumed?

As described in the Bitcoin paper, the Bitcoin network may temporarily diverge, or "fork," as nodes may work on different blockchains. The network reconverges, however, as a node will always ...
lkbaerenfaenger's user avatar
0 votes
1 answer
119 views

Modify the number of confirmations for an utxo to be ```safe == true``` in Bitcoin Core

I noticed that when I call listunspent on Bitcoin Core, UTXO with 0 confirmation are labeled unsafe, and thus prevented from being spent with sendtoaddress or fundrawtransaction. As soon as there's ...
Sosthène's user avatar
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2 votes
2 answers
116 views

Cryptocurrency acceptance

I heard that the recommended waiting confirmation time for a bitcoin transaction is 6 blocks/ 1 hour. So a shop which lets its customer to pay in bitcoin without any waiting for confirmation would ...
Anh Dũng Lê's user avatar
1 vote
1 answer
69 views

Transaction not complete for two days now

I sent bitcoins to a wallet using the QR code in order to be very sure of the address. It shows in my wallet that it has been sent. But the receiver haven't seen it in his wallet. I checked it online ...
Pius's user avatar
  • 11
0 votes
0 answers
25 views

Why is my Bitcoin transaction not confirming today? [duplicate]

Please don't tell me that this also has something to do with this stupid Corona virus. First, it slashes the Bitcoin value in (less than) half. Then I can't order any groceries and have to sit here ...
Sterling Clow's user avatar
0 votes
1 answer
86 views

why is the number of confirmations rising yet i haven't been credited with the bitcoins? [closed]

I have been waiting to receive bitcoins for close to 7 hours now. The number of confirmations is currently 111, so why is it so? here is the transaction batch ...
orwasa's user avatar
  • 1
0 votes
2 answers
502 views

How to get both confirmed and unconfirmed transaction details of foreign(non-wallet) addresses from bitcoin-node server?

How to get both confirmed and unconfirmed transaction details of foreign(non-wallet) addresses from bitcoin-node server? Actually i have generated the addresses using third party library and sent some ...
Jvd's user avatar
  • 41
0 votes
2 answers
58 views

How Bitcoin mining contributes to confirmations?

Based on my knowledge I know (maybe wrong) when a miner is doing hash, he is inputting any arbitrary values, in order to get a value that can be hashed into something with certain preceding zeros. ...
gudako's user avatar
  • 159
19 votes
6 answers
17k views

Recipient has “not received” the Bitcoin I sent, but the transaction is confirmed

I sent bitcoins to the address I was given (double checked). The recipient is claiming they did not receive it. I sent them a different payment yesterday at 8:30p and they didn't get it until 4:00am ...
Cccc1234's user avatar
  • 191
1 vote
1 answer
268 views

Transaction confirmed for hours, not available in balance

My bitcoin transaction has been confirmed for more than 24 hours and also on the block chain but it has not yet reflected on the receivers balance, all transaction details are correct,what could be ...
Macdaniel's user avatar
0 votes
1 answer
676 views

Which wallets support double spending?

Which wallets support double spending? i.e. cancelling a transaction with 0 confirmations by using higher fees
Andrew Wang's user avatar
5 votes
0 answers
7k views

Bitcoin successfully deducted on sender wallet but did not reach receiver wallet [duplicate]

Here is the wallet address for receiver: 1Gouzjo9Jav1k4AmRoUJJMzidVfnMoSieS. I had used the Blockchair site to see and track status. Based on the details, account had seen receiving last 21 hours. ...
Marc pangan's user avatar
2 votes
1 answer
220 views

Genesis block coinbase transaction without confirmations

Why the coinbase transaction, comming from the genesis block, don't have confirmations? All the others coinbase transactions have confirmations, but not in the Genesis block.
user1710825's user avatar
1 vote
1 answer
66 views

Is Block Finalization a valid development to remove the threat of 51% attacks?

https://www.reddit.com/r/btc/comments/bq8cqo/btctop_currently_has_51_hashing_power/eo2p4md?utm_source=share&utm_medium=web2x A recent comment from a Reddit user in response to BTC.top acquiring ...
AdaptiveAnalysis's user avatar
-1 votes
2 answers
201 views

I made mistake sending Bitcoin to old generated address in nairaex ...the transaction still writing unspent...how can I get my Bitcoin back

I got 22 confirmation for Bitcoin not up 50$ and still unspent ,ow can I get it reverse back ,it more than 4hours
Sammmighty's user avatar
2 votes
1 answer
440 views

Negative number of confirmations for a testnet transaction on blockexplorer

I am curious about the test transaction f72f59a32c1bac47ec87bc3678ec44e98eece5e235d29d79cd1f5461ccc5bf38. Depending on which site I view this transaction, the number of confirmations is positive or ...
The Pheromone Kid's user avatar
0 votes
0 answers
89 views

Blockchain.info confirmation misunderstanding

I have some misunderstanding regarding how confirmation work on blockchain.info. If we go to payment history we can see info about confirmation in two places. First in history of all transactions. ...
Eugene Chybisov's user avatar
1 vote
1 answer
97 views

What does "Nonstandard output" mean on Tradeblock transaction page?

I tried to send bitcoin but the recipient hasn't received it. The trade block page shows "Nonstandard output" under outputs as shown in the link below: Tradeblock page for transaction I used an ...
S.Brown's user avatar
  • 115
0 votes
1 answer
50 views

how to prevent losses after a hard or soft fork

i learned about hard and soft forks from this question; now i have a basic understanding about forks; but the answers of that question did not say what happens to transactions on the stale chain; if i ...
Cyker's user avatar
  • 257
0 votes
1 answer
113 views

How to check if confirmation is done or not yet?

After sending Bitcoin to any address, how can I check if the transaction has at least one confirmation? Should I poll the transaction repeatedly or is there any event when confirmation is made.
GT Kim's user avatar
  • 101
1 vote
0 answers
98 views

confirmations: 0 vs confirmations: -1? [duplicate]

I'm looking at a bitcoin clone, not sure what codebase it was cloned from, but I've noticed that the listSinceBlock output sometimes includes: a receive that has 0 confirmations a send that has 0 ...
Caius Jard's user avatar

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