Questions tagged [unconfirmed-transactions]
Transactions that have not yet been included in a block.
584
questions
0
votes
1
answer
154
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 ...
- 1
2
votes
1
answer
141
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 ...
- 373
2
votes
2
answers
124
views
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 ...
user128105
1
vote
0
answers
81
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?
- 322
0
votes
0
answers
114
views
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 ...
- 1
0
votes
0
answers
40
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 ...
- 101
1
vote
0
answers
27
views
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 ...
- 93
1
vote
1
answer
96
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 ...
- 11
1
vote
0
answers
98
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 ...
- 133
0
votes
0
answers
33
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
- 1
1
vote
1
answer
923
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 ...
1
vote
1
answer
338
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 ...
- 13
0
votes
1
answer
199
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
70
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 ...
- 1
0
votes
0
answers
155
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 ...
- 11
0
votes
0
answers
54
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 ...
- 1
0
votes
0
answers
69
views
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 ...
0
votes
0
answers
844
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 ...
- 139
0
votes
1
answer
175
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 ...
- 139
0
votes
1
answer
434
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
567
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 ...
- 11
0
votes
1
answer
135
views
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 ...
- 1
2
votes
2
answers
280
views
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 ...
- 55
2
votes
2
answers
460
views
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 ...
- 340
0
votes
1
answer
212
views
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 ...
- 103
0
votes
1
answer
771
views
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 ...
0
votes
0
answers
56
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 ...
- 1
0
votes
1
answer
51
views
Unconfirmed translation [duplicate]
I sent 1500 from my wallet address last 2weeks transaction faild to confirm transaction id
1624600252fd611c8d07ae4f6a7922850ea52014d93265fa7340979e8fd55647
3
votes
2
answers
221
views
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 ...
- 524
0
votes
1
answer
42
views
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
0
votes
1
answer
74
views
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, ...
3
votes
1
answer
187
views
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 ...
- 33
-1
votes
1
answer
131
views
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. ...
- 1
0
votes
1
answer
50
views
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/...
- 101
1
vote
1
answer
366
views
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 ...
- 113
0
votes
1
answer
111
views
Do you have to keep broadcasting transactions until mined?
From what I know, you can broadcast a transaction including input addresses, output addresses, and amounts, which is signed by your private key.
I often hear that your transaction might not be mined ...
- 103
1
vote
2
answers
139
views
Mitigating a Double Spend Attack by Punishing the Attacker?
One of the main reasons it's not safe to accept Bitcoin with 0 confirmations is due to the possibility of a double spend (where Mr. Scammer first sends 1 BTC to Alice and then creates an identical ...
- 419
1
vote
1
answer
227
views
Safely Accept Bitcoin Payments with 0 Confirmations [duplicate]
GAP600 is a service (that has processed $5 billion in cryptocurrency) which allows exchanges and payment service providers to process Bitcoin payments instantly (0 confirmation trx). It guarantees a ...
- 419
3
votes
1
answer
257
views
How do light clients using compact block filters get relevant unconfirmed transactions?
I was discussing various light client models and we got into unconfirmed transactions. With the BIP37-based bloom filters, a light client would subscribe to updates from full node peers by submitting ...
- 72.6k
0
votes
0
answers
353
views
Unconfirmed transaction for 6 days now. need assistance for using CPFP
I have an unconfirmed transaction that has been sitting there for 6 days now.
The fees only got higher sins i've made the transaction and i do not feel comfortabel waiting.
I'm unable to use RBF sins ...
- 1
0
votes
1
answer
259
views
Unconfirmed Blockchain Status
Need Help,
Transaction invalid: some outputs that it attempts to spend have been already spent or are no longer valid.
This is the message appearing on the Summary report from block chain. It was ...
- 1
6
votes
1
answer
249
views
Bitcoin.conf setting for CPFP - how can I enable longer 'chains' of unconfirmed transactions?
I often receive an -32700 'Insufficient Funds' error when attempting to create 'child pays for parent' (CPFP) transactions using unconfirmed change output. This can be problematic since it can prevent ...
- 182
0
votes
1
answer
2k
views
How can I replace-by-fee an unconfirmed transaction sent from my Ledger Nano?
Would anyone here please be able to tell me how to do RBF using the Ledger Nano—I can see the transaction was RBF and has been stuck for about 24 hours now. The TX is ...
- 115
2
votes
1
answer
490
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 ...
- 286
0
votes
1
answer
141
views
Can I verify my own transaction?
I'm waiting since 16/12/2020 and i still waiting in the Mempool. Exists a way how can i verify my own transaction without a Bitcoin miner? Yes, i paid a low fee.
Here you can see my transaction:
https:...
- 1
-1
votes
1
answer
103
views
Are there any Bitcoin block explorers still around that log First Seen by node data?
Title.. Hoping to find out when a historical tx went into the mempool. I'm aware this is transient data and not in the blockchain. However i'm pretty sure I remember in the old days explorers used ...
- 7
1
vote
1
answer
197
views
Can a 0 confirmation Bitcoin Core change output be spent?
I have a Bitcoin Core wallet which has a utxo which I spent from, in a transaction where around 1% was sent to an external wallet address, with the ~99% change output remaining in the wallet, sent to ...
- 182
0
votes
1
answer
367
views
Change -mempoolexpiry in BitcoinCore 0.20.1
I have accidentally made a transaction with a very low fee (5 sat/byte) and I doubt that it will be confirmed any time soon.
Replace-By-Fee is not available since my transaction has no change.
Abandon ...
- 1
1
vote
1
answer
75
views
I somehow sent a transaction to my own wallet address
I wanted to make a transaction to a vendor but somehow I made it to my own address?
It is yellow color and I put very very low fee.
It is unconfirmed yet because of the fees.
Should I just increase ...
- 11