Questions tagged [transactions]

This tag should be used for questions related to transactions. Transactions are signed messages regarding the transfer or generation of bitcoins. They are broadcast throughout the Bitcoin network and, if accepted, integrated in the blockchain.

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Is it possible that two miners mine blocks with different headers because they include different transactions

Ok, it's a yes or no question: miners can include different transactions in a block, so does that mean that they search for different nonces
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When you make a Bitcoin transaction, can the receiving person (and the world?) really see how much coins you have in the entire wallet?

I really hope that I've got this horribly wrong, but I have to ask... I have this idea, which I base on comments and explanations I've heard over the years, that when you make a Bitcoin transaction, ...
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Need help to recover sent Litecoin (LTE) from Bitstamp to a BTC address in Coinbase [closed]

I have foolishly entered a BTC address into my LTC destination address last night when withdrawing funds from Bitstamp to Coinbase. At first an error message appeared saying: "Unable to withdraw ...
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I sent BTC to an old address, Can I get them back? [duplicate]

I sent BTC to and old address of a friend. I`ve checked the status on blockstream.info and it is said that it has 1860 confirmations. Is is possible to get the BTC back?
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I have wrongly transferred 0.00184426 BTC, request please help to return it back to my wallet

I have wrongly transferred 0.00184426 BTC to address (TN3W4H6rK2ce4vX9YnFQHwKENnHjoxb3m9) request you to pls help me to return it back to my account.
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After sweeping an address I've received a tiny amount on both the address I swept and the dest of the sweep

For some time now I've had a small amount sitting in a legacy address, and I finally decided to sweep it and send the amount less the fee to another address. I chose a small fee, to not spend more on ...
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Secure Bitcoin Core

For example, take two PC (online, offline) with the last Bitcoin Core. Online PC has only public keys and the updated blockchain. It will use to watching for balance and create and send transactions. ...
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Why are there more than two transaction outputs in a coinbase transaction?

In a coinbase transaction there are always more than two transaction outputs. The first transaction output contains the reward. The second contains the witness reserved value. But why are there other ...
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fundrawtransaction - what is it?

I find on Internet interested article. How I understand the raw transaction can be created simpler without fundrawtransaction. bitcoin-cli listunspent [misconf=1] [max_number_confirmation=99999999] ''...
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How are txns sorted correctly in Merkle trees between nodes and validated via Proof of Work

I am interested in exactly what happens to transactions in the pending block (block that is being mined at the time). From what I understand, transactions are the stored as a Merkle tree hash inside ...
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Bitcoin Core Wallet - Invalid Transaction

A few months ago I tried to transfer my bitcoin but the transaction fee was too low which resulted in an Invalid Transaction. After eading about similar problems in this forum it is clear to me that ...
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If I buy crypto on a third party site, such as Coinbase or any other sites, how do I safely transfer my wallet into an external 'cold wallet'?

By cold wallet, I mean any type of encrypted USB etc. If this isn't possible how would I buy crypto and then be able to store it on a USB in the first place? This may be a stupid question but I'm kind ...
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What would be the easiest way to test the submitblock method?

I'm constructing a customized miner, and I'd like to check if the submitblock method would work properly when connected to mainnet. What would be the easiest way of doing that using RPC calls and ...
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Sign transaction offline [duplicate]

Can I create and sign transactions offline in Bitcoin Core? To be sure in safe my private keys.
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How is the witness reserved value set in a coinbase transaction?

In a coinbase transaction the second transaction output seems always to be a 32-byte witness reserved value. Is there any constraint on this value?
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How to set the sequence number in a coinbase transaction?

The sequence number seems to be used for locking a transaction in mempool. However, the coinbase transaction is not part of the mempool and thus the sequence number does not make sense. Is it just an &...
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Sent BTC , Receiver says not received, As per him it went in Mempool's back wallet [duplicate]

I have sent BTC , My receiver says that its not received it has gone to the back wallet of Mempool. and it would be reversed by mempool to my wallet back. I have sent it via localbitcoin. ...
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Why does decoded block data not match coinbase transaction input?

I am looking at the specific block at height 680175. Via bitcoin-cli getblock 00000000000000000004dbd66fa71fdcd62658bf8c8e2e153521257ad5858c71 0 I obtained the serialized, hex-encoded block data. ...
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Is there an API that accepts a transaction id/hash as an input, and returns all inputs and outputs for that transaction?

I'm looking for an API that accepts a tx id/hash as an input and returns all the inputs and outputs associated with that transaction hash. For example, the transaction described at https://www....
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Can you have a transaction without a change output?

While reading about the fees here https://metamug.com/article/security/bitcoin-transaction-fee-satoshi-per-byte.html The article said that "In the simplest case, you'll have one input and two ...
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Need help can’t send Bitcoin

I purchased $40 worth of Bitcoin from a btc atm. I use this method to add to the same wallet every time a couple times a week. This time when it loaded to my wallet I needed to send it from there to ...
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Is https://wincoindc.com is a scam website? [duplicate]

I was scammed by https://wincoindc.com. One of whatsapp user from China asked me for investment on CDC coin in wincoindc.com wallet. So I sent her BTC and she gave other coin in wincoindc.com wallet. ...
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Transaction Denial of Service

If the BTC network can only only handle on average 2,759 transactions per block. During a period where whales attempt a mass dump, could they essentially perform a DoS attack where they make a large ...
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Should I deposit 0.01 bitcoins? [duplicate]

I recently won 0.32 in bitcoins as I have been getting into NFT. I wanted to sell the bitcoins that I won, but in order for me to withdraw the bitcoins it’s asking me to deposit 0.01 bitcoins. Is this ...
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Prepare transaction with multiple recipient

Do you think it is possible programmatically prepare a Bitcoin transaction that has multiple recipient to send the amount to? Do you think I can show this trasaction in QR code, so payer can scan it ...
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Does the miner machine get any other type of reward except confirmation of transaction in bitcoin?

Does the miner machine get any other type of reward except confirmation of transaction in bitcoin?(The answer precedes ​another question)
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If Cryptocurrency offers anonymity, why is it considered by forensic professionals to be the best currency for fighting illicit transactions?

A paper by titled An Analysis of Bitcoin’s Use in Illicit Finance discusses how Cryptocurrency is considered by forensic professionals to be the best currency for fighting illicit transactions. In ...
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My bitcoin hasn't been received for good 10days now [duplicate]

I have sent my first Transaction from a bitcoin machine and waiting for it to arrive at another address but when i click on the Transaction ID of the addresses is Unspent? It only required 3 ...
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Function combinerawtransaction is not working

I have multiple partially signed transactions that I want to combine into one transaction. All those transactions were signed using the same key so it should be possible to combine all those partial ...
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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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If my phone is powered off will i still receive my bitcoin

I sent someone Bitcoin but they said they didn't receive it because their phone is powered off but I got a complete transaction confirmation
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Why does Electrum include seemingly unnecessary inputs in a transaction?

I want to make a payment of x BTC. My Electrum wallet shows two "output points" in the Coins tab (with the same address). Both of these show an amount much larger than x BTC. If go to the ...
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Minimum for sending BTC from BTC wallet

Is there a particular minimal amount of Bitcoin one is allowed to send under which it is too low to be confirmed as a valid transaction from the bitcoin wallet? For instance, I have got approx. 85 ...
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BTC send transaction “stuck”

It seems I have a stuck "send" transaction. I transferred the entirety of my BitCoin Core wallet to Newton. (purely so I could offload the blockchain off my PC) I am sure the fee was too ...
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How can I get the transaction version from a hex dump?

I am currently looking into the structure of bitcoin transactions. As an example, I took the hex dump of this transaction: ...
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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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bitcoin payment has big fees

I am using the bitcoin-rpc and everytime i create an invoice from a PHP script, i create a new address. All is ok, i get the money after, i have a script that checks number of confirmations, then when ...
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Cryptocurrency Wallet 3rd party access

Do Crypto wallets such as Exodus etc have something like an API? For example is it possible to perform a cryptocurrency transaction directly from the web browser client (using the specified amount and ...
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Transaction outputs with value 0

If I am correct, some transactions have outputs with "value" field equal to 0, and some even have all their output "value" fields equal to 0. See for instance: transaction ...
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where is transaction confirmation number in bitcoin source?

I have try to check in bitcoin source code. i want to see confirmation number code but i have not found. where is transaction transaction confirmation number in bitcoin source ? how to update it ? ...
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Input and Output of all funds in the same block?

Hope, someone can clarify this problem to me. Please have a look at the btc address: 1CRTSXJXa3LsaHwjTA5yTbqbyi6QituztX There have been 2 transactions so far. 1 input and 1 output. BUT: According to ...
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Is it possible to retrieve lost wallets from 9 years ago by downloading a full node? [duplicate]

Purchased bitcoin in A few years ago. Forgot/lost wallet addresses,and email . Is it possible to retrieve my wallets from then by downloading the bitcoin node ?
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Is it possible to get my bitcoin out of Strongcoin without paying the exorbitant transfer fee?

I have Bitcoin held in Strongcoin's service, and want to transfer it out. The Strongcoin FAQ (last updated 2011) says the transfer fee is 1% (which I'm prepared to put up with) with a minimum fee of 0....
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Bitcoin TX ID not exist [duplicate]

I use the blockchain.com account send some btc to my trezor account in Feb 2021. Later I found the TX id had record in blockchain.com, even if mempool check... Also have. Later I found still not ...
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Plot of distribution of all bitcoin transaction fees paid?

Is there a way to find and plot every transaction fee ever paid on the blockchain/bitcoin? Background I have read about transaction fees: Though the average Bitcoin transaction may be around $25, for ...
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Sent money from Bitcoin Core to mobile Electrum and for 3 days can`t recieve it

3 days ago I made transaction from my Bitcoin Core to my mobile Electrum but I didn't receive any money yet. I can't see this transaction in Electrum and on Blockain,Tradeblock either, however, ...
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Not sure where some of my transaction went

I just made a transaction of 61.80 Euros, but it charged me 88.01, And I'm not sure why. Some background: I'm using a service called HodlHodl to turn my mined bitcoin into money. I use Electrum as my ...
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How to determine the balance associated with a given BTC address based on input/output amounts

I'm writing an application that attempts to calculate the running balance of a given BTC address by looking at data including block height, input amount, output amount, etc. However, I'm not certain ...
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Trying to understand the mempool and how transactions are picked

I am very new to blockchain and try to understand it completely. What I think I understood is, that every transaction is going to the mempool first and these transactions are getting picked by miners. ...

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