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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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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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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?
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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.
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1 vote
2 answers
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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' ...
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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 ...
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-1 votes
1 answer
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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 ...
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Can I recover BCH sent to BTC? [duplicate]

I accidentally sent BCH to a BTC address. I have 4 out of 6 confirmations and it’s going on an hour. Are my funds lost? Can I cancel?
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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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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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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
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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 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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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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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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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 ...
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9 votes
3 answers
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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 ...
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my transaction is unconfirmed for days now why? [duplicate]

I have an unconfirmed transaction that has been sitting there for more 4 days now. Any assistance would be greatly appreciated. Thanks. https://www.blockchain.com/btc/tx/...
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1 vote
1 answer
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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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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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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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Making regtest's generatetoaddress work with blocksonly=1

I'm setting up a regtest scenario in which I want to send transactions which should be included in new blocks created via the generatetoaddress RPC call. However, I want to disable transaction ...
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How to do RBF using the Ledger Nano / Ledger Live [duplicate]

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 ...
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I was scammed in march, but it showed where in bitcoin wallet app that there was 750 in bitcoin cash i neen help of retriving it [duplicate]

I was scammed in May and I saw in my bitcoin wallet app that there was 770 dollars in there how can I retrieve it
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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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Query regarding unconfirmed transactions [duplicate]

I got a bitcoin transferred to my wallet, it is unconfirmed but displaying the amount $500 in my Bitcoin address in my wallet. It had been almost a day but transaction is not confirmed in explorer but ...
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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.
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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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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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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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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 ...
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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 ...
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2 answers
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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?
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1 vote
1 answer
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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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Found Bitcoin Core Wallet with unconfirmed Transactions, anything to salvage? [duplicate]

I am currently looking through old .dat files and found a wallet with two "Received with" transactions that are unconfirmed. When I enter the address from the Label on blockchain.info the ...
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2 votes
2 answers
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Is it okay to chain multiple unconfirmed transactions?

Is it okay to chain and broadcast multiple unconfirmed transactions? For example: I have two confirmed UTXOs UC1 and UC2. Using both as inputs, I then create and broadcast transaction T1, which ...
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1 vote
2 answers
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How can an output be spent while the transaction is in mempool

I have seen transactions on a block explorer where the transaction is in mempool (unconfirmed) but one of the outputs already appears as spent, I am curious how this works. This question is a ...
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Can a unconfirmed transaction be lost or modified?

I am beginner and I am still learning fundamentals of block and bitcoin network. Suppose, I do a transaction on bitcoin network, it is marked as unconfirmed transaction and is stored in mempool of ...
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I set my transaction fee too low 2 months ago and blockchain says "transaction invalid", will I get my coins back? [duplicate]

About 2 months ago I sent BTC from my Mycelium wallet to an XMR exchange, however I set the transaction fee too low so it never got any confirmations. I found the transaction on blockchain.info and it ...
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50 views

My Bitcoin transaction remained unconfirmed for 20 days now [duplicate]

I sent a bitcoin transaction from one of my wallets into another wallet meant for trading. Its been 20 days now and the transaction remained unconfirmed. Please I need help because I sent this coin ...
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1 answer
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Unconfirmed translation [duplicate]

I sent 1500 from my wallet address last 2weeks transaction faild to confirm transaction id 1624600252fd611c8d07ae4f6a7922850ea52014d93265fa7340979e8fd55647
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3 votes
2 answers
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Will nodes configured with a larger-than-default mempool automatically retransmit transactions that have been dropped from the default mempool?

If a transaction is sent and dropped from the default mempool before it is included in a block, but nodes with a larger-than-default mempool size exist that still have the transaction, will those ...
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0 votes
1 answer
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my unconfirmed transactions hold for over 1 day [duplicate]

I have following 2 unconfirmed bitcoin incoming transaction for one day, can you please advise how to speed up? 1Eg8thYVMBTpXg78FQo2sXhxeFdZWB9DjN 1D3grbjFXZWUp1wCApLTHQ9GAxsyyAawkU
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Why should I care about my transactions ever reaching the blockchain if I can spend them while unconfirmed?

From what I understand, I can use unconfirmed transactions because they are essentially already confirmed, they just need to reach the blockchain. This can create a chain of unconfirmed transactions, ...
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3 votes
1 answer
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Transaction with a high fee keeps getting skipped... Reason why?

I was sent a transaction that has been unconfirmed for 3 days now - but the feerate is relatively high (53.8 sat/vB). Blocks have been confirming transactions with lower feerates for days, but for ...
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-1 votes
1 answer
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Please help out I send 109k to my client he was able to receive $50,000 please help

I send a bitcoin transaction of all coin my wallet which is $109,180 to my client wallet address giving to me. But he received $50,000 in is wallet address. And I sent all the coin my of 109180. ...
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1 answer
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Paid $4.26 on a $133 transfer - why unconfirmed? [duplicate]

I sent money to myself from a Bitpay wallet (using send Max) to a Cashapp wallet. Transaction id - 577b3fe1e372e2375bcfbb2c666cdc74fa766fd022592040a539154c9ff7d820 https://www.blockchain.com/btc/tx/...
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How to choose the transactions for a block?

From my understanding, the memory pool (or transaction pool) contains "open" or "unconfirmed" transactions that have to be validated and can be chosen (arbitrarily?) to be part of ...
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