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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Why does the locking script for MultSig contain PubKeys instead of PubKeyHash?

I am reading "Mastering Bitcoin" by Andreas Antonopoulos. In the transactions section, the locking script for normal account(single address) is OP_DUP OP_HASH160 <Cafe Public Key Hash> ...
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How can transaction in my account be wrong value

Have a transaction on wallet BTC. received .002 BTC. VALUE $300 million dollars. I thought the exchange would help. I now see other transactions for small amounts of BTC but valued at 157 million ...
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Why is signature S value is unnecessarily high not safe?

I get frequent warning when sending RawTX to PushTX message (Non-canonical signature: S value is unnecessarily high) Why is signature S with a large value dangerous (that is, when the first HEX ...
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Signing a transaction(Signature must be zero for failed CHECK(MULTI)SIG operation)

I try to sign raw transaction. Here is the instruction I used for it Redeeming a raw transaction step by step example required Python code I used to sign the transaction import hashlib import codecs ...
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what is flow of a bitcoin transfer from one exchange to another?

Can someone please share what exactly is flow involved in transfer of a bitcoin from my account on one exchange to someone else's on another exchange? for example: is there a transfer from my account (...
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I invest 5000 PHp in bitcoin and to ask me i need to pay the transfer fee [duplicate]

List item I invest 5000Php in bitcoin but after the mining my invest he ask i need to pay a transfer fee .is it normal to pay that because im from Philippine
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What if I change PubKeyHash in scriptPubKey of a transaction to my PubKeyHash?

Suppose a person A makes a transaction to person B and sends it to bitcoin network. Suppose I changed PubKeyHash in scriptPubKey of a transaction to my PubKeyHash and send it to bitcoin network. The ...
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Is there any commands i put in the core that will suggest my account is from early days [duplicate]

Have you got anything i could put in the core that will point back towards or leave a clue to age of my account ,ie getdesendant/ansestors, mininginfo,or blockinfo, will any of these commands tell me ...
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why when making a command on bitcoin console does this appear staggered square brackets appear

Why when making a command of listunspent ,generate ,listlockunspent etc , Does this appear? [ ].
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How to generate p2pkh ScriptPubKey for coinbase transaction

One part of coinbase transaction is p2pkh ScriptPubKey (according to the book i read). Coinbase transaction here refers to the first transaction in a block , not Coinbase software/company. Suppose i ...
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Will Bitcoin-Qt link itself to my IP from 2009 and show coinbase rewards for mining? [duplicate]

Back in 2009 I remember putting Bitcoin-Qt on my computer. I went straight over to the site and downloaded, but never put any wallet name or passphrase. Now in 2021 I remembered what I had done. When ...
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Detecting BTC transaction hash data: help

please I need some help in reading the hash data correctly. Given below transaction of total value btc 1.55821903 https://www.blockchain.com/btc/tx/...
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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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What are the Blockchain Transactions Status possible values?

Very noob at this. I'm seeing that a transaction in Bitcoin has a field called 'status': Example from blockchain: I was wondering, what are all the possible values that this field can get (or where ...
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What's the difference between an 'address' and an 'addressHash' in a transaction on a bitcoind node?

I'm listening to a ZMQ socket; it's sending out messages every time my node receives a transaction. The message is the binary value of the transaction itself. When I decode the binary (using a tool in ...
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How is transaction on exchanges that trade bitcoins connected to blockchain?

According to this answer, since the transaction on exchanges are internal, the transaction on blockchain is irrelated to them. But is the transaction on exchanges that trade bitcoins really not ...
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Characteristics of fraudulent Bitcoin transactions

I have a few questions about Bitcoin fraud investigation. What are the characteristics of fraudulent bitcoin transactions? For example, I've read some articles saying that a transaction that has only ...
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What’s the safest long-term hardware wallet solution?

Looking for safest hardware wallet solution, for long time storage. Thanks!
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How are OP_CSV and OP_CLTV backwards compatible

I am not able to see how older nodes prior to BIP 68, BIP112 and BIP 65 are able to prevent adding Transactions to their mempool when the newer rules are deliberately breached. I want to separate two ...
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What prevents another node from sending an existing transaction? [duplicate]

To my understanding, when someone wants to send a transaction they will broadcast a message to the nodes that they are connected. What stops someone from sending a transaction that was sent to them ...
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Transaction not confirmed [duplicate]

It is the first time I use Bitcoin. I have made an transaction this earlier today. But the receiver informed me that they did not received the transaction on their end. I have looked on Blockchain ...
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Bitcoin transaction validation is not based on a static pattern, but instead is achieved through the execution of a scripting language

What is static pattern and why it is not used in transaction validation and why execution pattern is used through the scripting language i am a bit confused need a clear explanation.
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Do you pay a transaction fee per spent output or per total transaction?

I'm wondering how transaction fees work. Do you pay based on the entire transaction or per output basis? i.e. imagine the base fee is 10000 satoshis. You're trying to send money to X address. You are ...
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How to determine which private key signed a transaction

I was just looking through some of the blocks and I saw a transaction which had 408.1011 BTC split into 3 output address. 18.5468, 230.6512 and 158.9030731. I then saw the 230.6512 use the transaction ...
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Storage of the transaction chain [duplicate]

I was looking into the bitcoin developer documentation and going through the RPCs. I was wondering if the blockchain consisted of the list of transactions, then how is the transaction information ...
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After a transaction of BTC, is it possible to change the amount of BTC?

Kindly Explain. If I have been transferred 10 BTC, but the transaction has not been confirmed. is it possible to change the amount of BTC 10 to 15?
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How to generate utxo information for a bitcoin transaction?

I'm using bitcore atm and am trying to set up transactions. but I can't find much information on the txId & the script. I know it says the txId is generated from the transaction, but how can you ...
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How is a double spend via 51% attack possible?

If a transaction is already mined in lets say block A and has 2 confirmations, how can this transaction be spent again? My understanding is that for a transaction to be propagated to the network it ...
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Missing account [duplicate]

I bought bitcoins years ago but I cannot find email that was sent containing transaction id, account details etc. How can I search for the transaction? What happens to inactive coins and are they ...
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2 answers
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Are transactions from two separate bitcoin accounts on Ledger Nano S independent of each other?

John Doe creates two separate bitcoin accounts on a ledger nano s and funds the accounts from two separate sources. The first funding source is a known terrorist organization and the second funding ...
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When is a Bitcoin transaction considered as "first version" by a node?

Given what Satoshi once said: The network nodes only accept the first version of a transaction they receive to incorporate into the block they're trying to generate. My question to that: What makes ...
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Missing Witness field in p2wpkh decoded tx hex

I have placed together a raw tx hex but when it's unable to be broadcasted as I keep getting an error below sendrawtransaction RPC error: {"code":-25,"message":"bad-txns-...
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Error 400 when pushing tx hex to mempool.space's API

I am using the code syntax provided by mempool.space for a POST transaction request from their website here: https://mempool.space/api const mempoolJS = require("@mempool/mempool.js") const ...
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What is the Purpose of Writing the Previous ScriptPubKey as a Temporary ScriptSig of an Input Before Signing?

I have seen some guides saying to write the script pub key of the output we are trying to redeem. (Ie. step 6. How to redeem a basic Tx?) I'm curious what the reasoning behind this is and what will ...
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Can you program a transaction to automatically run once fees are low?

Can i program a bitcoin transaction to run when the network is not as busy or when fees are low? If you are not in a rush to complete trx.
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Decoding Bitcoin transaction data

I've recently learned that some cryptocurrencies allow the users to attach additional input data to their transaction and would like to know if it's true for Bitcoin as well. For example, Ethereum ...
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2 votes
2 answers
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Bitcoin transactions associated with layer 2 projects

Is there any website which tracks the number of Bitcoin transactions, fees and amounts associated with layer 2 projects (Lightning Network, Liquid, Rootstock)? I am curious about this because if a ...
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Trace fund flows between Bitcon addresses using transaction data

I wonder if there is a way to trace fund flows in the Bitcoin network using transaction data. I'm using Google BigQuery public data and their Bitcoin transaction dataset has following columns: ...
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How to set up a listener on an address, and trigger events upon receiving transaction?

I have a task where I need to set up some sort of a listener on a particular bitcoin addresses for incoming transactions, and once a transaction arrives, I need to call some function in my web service....
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Why are some on-chain transactions marked RED on RTL (Ride the Lightning)

I have an LND node and I use RTL to interface with it. I noticed that for some of the on-chain transactions, the Amount(Sats) value is marked in RED, why so? What happened with those transactions? ...
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Which elements of a P2PKH transaction are signed by default, and how is the signature used?

I'm working through the developer guide on bitcoin.org and there is a part of the section on transactions which isn't very clear. This diagram shows the elements of a transaction which are signed ...
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How does a Wallet Create a Transaction when a Public Address Is Provided?

Given a public Bitcoin wallet address 1BdYVvwoxTWMGqJS2Pg6NkVD7RnENVjSac; is pasted into a wallet to send Bitcoins to. How does the wallet create an output to send coins to the public key associated ...
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2 votes
2 answers
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Trace Bitcoin Fund Flows When There Are Multiple Input and Output Addresses

I'm trying to analyze transaction data and wondering if there's a way to tell how much was transferred from one wallet address to another when there are multiple inputs and outputs for one transaction....
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How to save history of my previous bitcoin wallet?

I have 2 bitcoin wallets. Let's call them "old" and "new". I been using my old wallet for many years, it contains long history of buying and selling BTC. Now I decided to use my ...
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How do people know who sent them bitcoin, ex. in case of a ransomware targetting multiple locations?

I have a rough understanding about how bitcoin works and have read about how anonymous it is, or rather how not anonymous it can be in certain situations. But I still do not get how is it possible to ...
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Transaction can not be found [closed]

Sender shows bitcoin being sent be it can not be found when I look for it in blockchain explorer nor can the send produce a transaction number
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How can I get RawTX transactions?

I used to be able to get RawTX transactions on the Blockchain using the link: https://blockchain.info/tx/60183ab915f2f4b0190605f98bd0e9f8eafe13a1c902b3ae87ecd0dfc8a599a0?format=hex But the site ...
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2 votes
1 answer
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Bitcoin Core v.0.14. doesn't recognise recipient address starting bc1

I have some problem with sending Bitcoin from Bitcoin Core v.0.14. When entering the address in recipient field it becomes red. And I noticed that the address to which the translation needs to be made ...
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3 answers
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Do I have a chance to commit a transaction without any network fee?

I know how transaction fees are calculated. Also I understand that a transaction with a higher fee will be approved much faster than a transaction with the lowest one. Does the bitcoin protocol allow ...
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3 answers
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Does Proof Of Stake have any intrinsic scalability Advantage over Proof Of Work?

Is there any intrinsic scalability advantage to using proof of stake over proof of work? Ignoring the environmental impact issue, and ignoring sidechains, can proof of stake achieve higher TPS rates ...
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