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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stuck transaction in ride the lightning on chain transaction

This transaction was send in ride the lighting on chain transaction, it has zero confirmation, how do I send it out, or cancel the transaction?
-1 votes
1 answer
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Unable to send bitcoin from trust wallet getting Code 400

I tried to send bitcoin from my trust wallet to my Coinbase account and I received an error -26: Txn-mempool-conflict Code 400 I am a beginner so can someone help me with this
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Litecoin transactions not going through [closed]

Using LTC because it is relatively fast, but there is a first for everything: 24 hours ago I made a Litecoin payment, medium fee. However, up to now, 0 confirmations. On Blockchair I see "...
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1 answer
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How is it resolved when two miners find the block at the same time?

I am new in this world and I am trying to understand some simple concept of Blockchain and the propagation of transaction. Let say that a transaction x is made so from what i understand until now this ...
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1 answer
43 views

createrawtransaction for stuck transaction

I have stuck transaction more than a week with 1 sat/vbyte? How I can use createrawtransaction with only one input same as stuck transaction. It will pay the fees.
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0 answers
53 views

Stuck Unconfirmed Transaction [duplicate]

what I need to do about stuck transaction more than a week with 1 sat/vbyte ?
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2 answers
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rebroadcast unconfirmed transaction

Idid a transaction one week back with 1 sat/vbyte. Still not confirmed. How can I rebroadcast it from core wallet because some nodes are purging low fee transactions.
1 vote
1 answer
54 views

Transactions remain unconfirmed, even with 10X recommended 2 block BTC/kB

I have never been able to successfully send BTC from my wallet in Bitcoin Core. I'm sure this question has been asked before, but I could not find a sufficient match to my problem, due to most ...
6 votes
1 answer
323 views

Why doesn't the protocol allow unconfirmed transactions to expire at a given height?

Transactions with low fees may remain in the mempool for as long as 14 days. This indeterminism is a source of confusion for users and wallets. It's not possible to cause a transaction in the mempool ...
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A Failed bitcoin transaction [duplicate]

I made a bitcoin transaction of $570 it failed and it's been over 24 hours I haven't gotten my bitcoin back please what do I do?.... The transaction does even have a TXID..... Please help.
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1 answer
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How much does it cost to depend a transaction to another one?

How I can depend on a transaction to an unconfirmed transaction? How much does it cost? Do I need to use a specific API or application? Thank you
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1 vote
1 answer
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what guarantee that miners will only include valid transactions in a block?

So, miners, if I got it right, before inserting a transaction into the Mempool, will request an arbitrary number of confirmations of full nodes that will search the entire blockchain to see if a ...
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Double spending: Do miners generally adhere to the RBF-Flag (replace by fee) in on-chain transactions and the FSS-rule (First Seen Save)?

I've been reading some articles about 0-conf scams happening, where someone accepts bitcoin on-chain without waiting for even a single on-chain confirmation. In this blog post, it is described that ...
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2 votes
2 answers
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Using an unmined Tx as a UTXO

Consider two transactions - Tx1, Tx2. Tx1 is an input of Tx2. Say Tx1 did not get to any block yet. Can Tx2 get into the mempool of: a node that holds Tx1 in its mempool a node that does not hold Tx1 ...
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1 answer
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Get bitcoin unconfirmed transactions real time

i'm new to bitcoin and was wondering, does anyone know how to get unconfirmed transactions with python? I've tried running my own node but my current hardware won't allow it. Is there a way to query ...
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0 answers
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I sent bitcoin from paxful to binance and the status is still showing unconfirmed for the past 2hrs [duplicate]

ETA in 14 blocks (2.63 vMB from tip) Transaction fee (2.0 sat/vB) Please can someone explain to me what is delaying my Transaction? Please
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2 answers
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How can a transaction be spent unless it is written in the blockchain?

I'v seen an unconfirmed transaction in the blockchain.com and one of its outputs is currently spent. How it this possible for coin to be spent before the transaction is written on the blockchain?
3 votes
2 answers
407 views

Can RBF be used to change the value of a transaction?

I understand that we can use RBF Protocol to replace a transaction with higher fees to get the transaction confirmed faster. However, is it possible to use RBF to change the value of the transaction, ...
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How to make transaction validator

How can I make a transaction validator on my website: verify if the client has paid, in order to give him access to premium content, I hope and you understand me.
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1 vote
1 answer
90 views

How do transactions get into the mempool?

I was tracking a transaction using a Bitcoin Core command. I was able to extract info on whether the transaction had entered the mempool. Among the information I got were details such as "the ...
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How can I get an unconfirmed transaction confirmed? [duplicate]

I made a transaction and it's been sitting there unconfirmed for 2 days. How do I cancell and resubmit?
1 vote
0 answers
40 views

What happens if a transaction does not signal replaceability but spends an output from an unconfirmed RBF transaction?

What happens if a wallet spends an output of an unconfirmed Opt-In Replace-by-fee (BIP125) transaction, but does not flag the spending transaction as Opt-In Replace-by-fee? Receiving wallets would see ...
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0 answers
20 views

Transaction not confirming [duplicate]

My transaction has been pending for almost 2 days what's going on? This is not right it's been long enough. Please let me know what's going on.
1 vote
2 answers
82 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' ...
0 votes
1 answer
39 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 ...
-1 votes
1 answer
169 views

Transaction pending unconfirmed for a very long time --- Done with Bcoiner App

I sent bitcoin to someone 8 days ago and since then no confirmations have been done but myself someone sent bitcoin sameday and got many confirmations sametime. So i tried to resend the bitcoin about ...
0 votes
1 answer
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question about orphan transaction pool

Suppose I am a full node and a transaction C arrives at me. I didn't find its father, so I put it in the orphan transaction pool. After a while, C's father B arrived at me. But I also didn't find B's ...
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1 answer
583 views

Watch incoming transaction with node.js

I would like to watch a set of Bitcoin addresses and be able to execute some logic as they receive a payment. According to this answer it can be done using blockchain.info: const Socket = require('...
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0 votes
1 answer
129 views

Coinbase to Blockchain Transaction

Hello everyone! Recently i received a cryptocurrency to my Blockchain Wallet. The Bitcoin was sent from Coinbase to my address - I waited for about an hour. And i don't see the transaction and the ...
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2 votes
1 answer
127 views

Huge dependency graphs for transactions in mempool

I'm creating a web page to monitor bitcoin mempool https://mempoolexplorer.com/ and I've realized that sometimes exists huge transactions dependency graphs in the mempool. I'm talking about +-700 ...
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2 votes
2 answers
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Information available to bitcoin miners in processing transactions

I'm very new to Bitcoin, and in my learning process I came across this site: https://mempool.observer/ which shows the varying amounts of unconfirmed transactions waiting to be mined. I'm learning ...
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1 vote
0 answers
68 views

Why does Bitcoin Core store the block height and the time of each transaction in the memory pool?

...given that one can be derived from the other? Surely the unsigned integer of height would be sufficient without the addition uint64_t of the time (to the second), wouldn't it?
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BTC invalid transaction: double spending attempt?

I'm writing because I need some help in understanding the below hash data. Thank you. https://www.blockchain.com/btc/tx/976e6d64a4c98cf15ac917b98a04333f896b7cd15c1f2fdfb18f6fee668b670c Is it a double ...
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0 answers
38 views

Can transactions be held for a long time without being processed?

I am learning a little bit about the bitcoin technology and I have some basic questions about its p2p and transaction processing. First imagine that a bitcoin transaction has included a fee (maybe a ...
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1 vote
0 answers
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Unconfirmed transaction in memory pool [duplicate]

In February 2021, I sent some bitcoin from bitcoin core account. I choose a low transaction fee. The transaction is down as 'unconfirmed, memory pool'. The bitcoin has not appeared at the receiving ...
9 votes
3 answers
2k views

What (if anything) in the bitcoin protocol prevents bias against certain accounts?

The bitcoin protocol allows miners to choose which transactions to include when they create a block. They can't include any inauthentic transactions, but to allow for an open market of transaction ...
1 vote
1 answer
80 views

Bitcoin transaction not confirmed since 3 days ago [duplicate]

Hello I might sound stupid but it’s been three days since I issued bitcoin transactions, all unconfirmed so far. I use Blockchain.com to manage my wallet and have done everything normally (I think, as ...
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1 vote
0 answers
91 views

Idea for zero confirmations transactions using “proof of risk”

I was wondering if the following could be implemented on Bitcoin or other cryptos, or maybe in the future with additional opcodes. Suppose Alice wants to send small transactions to others, without the ...
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32 views

Transaction not received? [duplicate]

Can someone help me? i did my first transaction From ID : 3FxvvRt1wpTHzN8xYVBXMsrGB6aTSrndBQ To ID: 3LSGTkzC62tgTALSGHF7Ztw1dPF5Vyg38B The adresses are right, not fault to find? Thanks
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1 vote
1 answer
550 views

How to do RBF using the Ledger Nano / Ledger Live

Would anyone here please be able to tell me how to do RBF using the ledger nano- I can see the transaction has been stuck for about 12 hours now. The TX is ...
0 votes
1 answer
289 views

Can an attacker flood the Bitcoin network with fake transactions?

We are in 2050. People show an ever-growing distrust in the global banking system and start transitioning to only using Bitcoin: most companies accept it as a form of payment, and people settle their ...
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1 answer
190 views

Unconfirmed btc transactions

Reason - Due to unconfirmed inputs. Can someone please explain what this means and could the sender do this intentionally. In other words to scam someone.
0 votes
1 answer
64 views

I have a question. Can the price change if your transaction remain unconfirmed for a couple of hrs

I had to make a payment with bitcion to a wallet with specific amt. I made exact payment, but price bitcoin was going up. But my transaction was still unconfirmed till the evening. They rejected my ...
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0 answers
130 views

How can I transfer unconfirmed transactions from wallet.dat to a new blockchain wallet

My question may not be very clear since I’m not really an expert in bitcoin and its technology. But in my possession I have just a wallet.dat files with an unconfirmed transaction on it. I followed a ...
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0 answers
51 views

Automatically forward bitcoins from address A to Address C At 0 confirmations?

I run a bitcoin full node,at that node i have an Address A. Assuming that Address A receive an Amount from Address B.(i can get UTXO information from blockchain.info API) How can I automaticlly resend ...
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How to create a double spend to prioritize a new transaction over a previous unconfirmed transaction?

I'd like to generate a double spend transaction and increase the gas fees over the previous, unconfirmed transaction that has been stuck for a week. I know there's other answers regarding double spend ...
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0 answers
568 views

How do I double spend using electrum for fix unconfirmed transaction

I have two Blockchain.com wallets.(Both of them are mine) Some days ago i did a big mistake. I sent 1100$ From wallet #1 to wallet #2. (10.0 sat/vB > As you see this is very very low) (TX LINK) And ...
0 votes
1 answer
164 views

Blockchain.com wallet | 1178$ transaction with low fee = 10 satoshi | How fix unconfirmed issue

I have a blockchain.com wallet. yesterday i did a big mistake : I customized transaction fee and set it to 10 satoshi. Here is the tx link of that transaction. Now after 1 day it has n't confirm. Did ...
0 votes
1 answer
306 views

I used edge wallet to send my bitcoin from my wallet to my cash app but i used a low fee soo its been unconfirmed for 10 days what can i do? [duplicate]

My transaction 5c8552a6744b3428d3ec4b5c0dd8b378ffeb4efd703b76a2b9d106250234d766 Has been unconfirmed for 10 days is there anything I can do to get it confirmed or do I just have to wait?
1 vote
1 answer
427 views

Unconfirmed transaction: the status is "0 / unacknowledged, not in memory pool "

I started a transaction with bitcoin-0.21.0-win64, a Windows client. It may be that the fee is set too low, which leads to the unsuccessful transaction. What should I do in the future? What do I need ...
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