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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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1answer
46 views

Signmessagewithprivkey result is different than txinwitness

I'm studying segwit and I'm doing some experiment in regtest. I create a raw transaction with P2SH address. My Transaction data without signature is: ...
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How bitcoin finds a few transactions earlier account balance from outputs?

I am reading and watching about transactions and they say a transaction's input is previous transaction's output. They all show diagrams in which these transactions are consecutive. How an account's ...
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Is there any legit cryptogenerator [closed]

Cryptocurrency needs to be mined, thats obvious but is there anybody who has ever come accross a legit bitcoin generator?? And are they currently available??
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1answer
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Transaction malleability in Testnet

I want to replicate transaction malleability to study it. I have two transactions data signed in testnet. One it's the original, ...
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1answer
21 views

scriptsig-not-pushonly (code 64) during send transaction in regtest

I create a transaction in regtest without send it, I have transaction data signed. I modified a little bit the scriptSig in order to replicate transaction malleability, I add two operations (2 OP_DROP)...
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BITCOINJ: how to make my wallet aware again about change of my transaction status after my server restart?

Using bitcoinj, my server created a transaction and it was broadcasted on the blockchain. I can get its history using: walletAppKit.wallet().getTransaction(txHash) It is in Pending state. Then I ...
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3answers
38 views

How are UTXO forwarded to other addresses?

this is a pretty general, conceptual question. I feel I do not yet completely understand the blockchain transaction dynamics. Let's say, we have A, B and C trading on the Blockchain: A has ...
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0answers
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Is there a way to know at any point in time T how many BTC exist that were bought at time t<T?

What I would like to find out is whether for a specific time in the past, we can know the number of BTC that exist today and were bought at this time. The discrete time can be the time of block ...
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1answer
26 views

How to get BTC transfer amount from raw tx using bitcoinjs

Suppose I have following object console.log(bitcoinjs.Transaction.fromHex(rawTx)); The output Transaction { version: 2, locktime: 1655960, ins: [ { hash: <Buffer dc 4d aa 10 db ...
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2answers
50 views

I want to transfer my bitcoin but i cannot

I want to transfer bitcoin to a wallet adress but when i send it gives me this error There was a problem sending your transaction Uneconomical UTXO requested [type: 1 (limit 5643), txOut.val: 4123, ...
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1answer
22 views

How to display Recipient Address, Change Address & Transaction Amount

I have made A software in which i can Signed Transaction (From Electrum Un-Signed Transaction HEX), i just want to display the following thing to USER in Readable Mode : 1. Recipient Address 2. Change ...
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1answer
39 views

How to monitor Bitcoin address for new transactions?

I have some generated Bitcoin addresses which I want to monitor for newly received transactions, I have a full node but I don't want to import those addresses to the node's wallet. I don't want to use ...
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1answer
22 views

How to determine the peer/node that created a transaction?

You're running your node and you receive a transaction from a peer, how do you determine if that peer created the transaction or if it is simply relaying the transaction. In other words, can you map ...
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2answers
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Calculate transaction fee for external addresses which doesn't belong to my local bitcoin-core server?

I am doing transaction on addresses which are created outside of my local bitcoin-core server using third party lib. I am having its private/public key. I am able to create raw transaction using "...
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2answers
174 views

Can signature be re-used to cash out everything in the address?

I Know for the P2PK locking script it was like this [pubkey] <OP_CHECKSIG> and then an unlocking script is provided as simple as this: [sig] But if it works like this, others can simply grab ...
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1answer
28 views

Do transactions need to be signed

I always thought a transaction can be accepted when all its inputs are correctly provided with their unlock script (which usually contains a signature) ——yes transactions may also be rejected with ...
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1answer
33 views

Query Reagrding DER Signature

(For Bitcoin TestNet Only) I am working on Signed Transaction which consists More than One Inputs and More than One Outputs (Unsigned HEX Data). after that i have generated two DER Signature of both ...
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36 views

transfer btc core wallet to electrum

I am running a btc node and it is taking too long to sync. Is there any way to transfer the wallet to an electrum wallet? If so how? 1)Upgraded my btc node 2)Syncing 3)Transfer receiving addresses ...
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1answer
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How can I withdraw my mbtc on my testnet 3 wallet?

Pls can you help me on how to exchange my mBtc on my testnet 3 wallet to my local currency and withdraw it? Pls tell me if this is possible..? I was paid to my testnet wallet and I want to withdraw ...
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CoinMe Issue Clarification of Transaction?

I made a withdrawal from a CoinMe wallet online to the BTC address 379h4LPA9fGBw6p2zEKnNhCSfayzETdtka for 500.00 however the remainder from that wallet was transferred to this wallet address ...
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1answer
32 views

BTC Blockchain WALLET ACTIVITY

Although I can see all transactions in my "wallet activity" I pasted my wallet address into Blockchain Explorer expecting to see the history of transactions in that wallet. It directs to a page that ...
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1answer
375 views

How do hardware wallets communicate with the outside world?

Hardware wallet has more security than software wallet because they store private key in offline hardware, which online attackers cannot access. Thus, they sign in the hardware and then send the ...
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1answer
32 views

blockstream API response

How do I determine if the current transaction is an outgoing or an incoming transaction from looking at the following API response? https://blockstream.info/api/address/...
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1answer
37 views

How does the blockchain prevent spending money during a “short fork”?

I'm currently reading "Mastering Bitcoin" (i haven't finished it tho, but i don't see my answer and it bother me so I prefer asking it here) and there's something i don't understand. So from what I ...
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2answers
32 views

How Bitcoin mining contributes to confirmations?

Based on my knowledge I know (maybe wrong) when a miner is doing hash, he is inputting any arbitrary values, in order to get a value that can be hashed into something with certain preceding zeros. ...
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1answer
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Signing a raw transaction with multiple inputs

So I am creating a simple P2PKH transaction and after I researched about this found few useful posts and answers here; I was able to successfully spend a a single P2PKH UTXO but it is really getting ...
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1answer
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Understand double spending through an example

Let’s suppose you have 1 BTC which you try to spend twice. You made the 1 BTC transaction to a merchant (Transaction T1). Now, you again sign and send the same 1 BTC on another Bitcoin address to try ...
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1answer
43 views

Fork and Longest Chain Rule

At the same time, A and B succeed in resolving the "Proof of work" challenge and both add a new block to their local blockchain, then they propagate the new blockchains to other nodes. I have 2 ...
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1answer
24 views

Input of a transaction

If i want to send 0.2 bitcoin to Bob, will my transaction (in the input field) contain the list of all my previous transactions (both the ones in which i received bitcoins and the ones in which i sent ...
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2answers
51 views

Sent BTC from Coinbase, blockchain explorer says Confirmed. Is recipient lying or could something else be the issue?

Sent BTC (approx $500) from Coinbase, Blockchain explorer says Confirmed. Is recipient lying they have not received or could something else be the issue such as his wallet? Recipient says it could be ...
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0answers
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Manipulation of Bitcoin RPC with programmatically

I'd like to use Bitcoin source code(only RPC part) to manipulate with programmatically. I have bitcoind and bitcoin-cli installed in my local computer but I don't know how to write code for my ...
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1answer
2k views

Bitcoin protocol and Wireshark

I captured bitcoin protocol communication in real-time and it is present in fig1 and fig2. Fig1 In red box, there are many types of command. First Question: How can Wireshark detect bitcoin ...
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1answer
43 views

Problem using op_checksequenceverify (op_csv) with relative time flag

i have trouble in using op_csv. The spending condition is not match to my expectation. FUNDING Redeem Script Hex: 03010040b27576a91451d2a5e04d25ceaa86e600a6ec34bd24431c675d88ac Redeem Script Asm: 03&...
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1answer
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Usage of PkScript as a part of Inputs of a Transaction

I've seen transactions with PkScripts as part of Inputs eg : Example of such a transaction Could anyone please explain how this PkScript is used ?
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2answers
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Person did not receive the amount of bitcoin I sent

I sent $4300 in bitcoin to my friend and he only received $415. I'm so upset because I lost over $3500. Is there any way to get this corrected?
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1answer
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The result of bitcoin-cli getpeerinfo command

When I type bitcoin-cli getpeerinfo in shell, conspicuous property of the result are addr and addrlocal addrbind. 14.xx is my address and others are peer's address. I know that Bitcoin client can do ...
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1answer
33 views

How to get a description (comment) of the transaction?

From this json response from blockchain.com How can I get a comment on the translation from here?
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1answer
54 views

Is Wallet softwares safe? then how verify?

Some day, I thought that there are may fraud wallet to steal bitcoin. It is really very achieved as following: User should make a keypair at first time. at this time, wallet software can send ...
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0answers
19 views

I want to send Bitcoin to a wallet. That wallet is to receive the bitcoin at a future date [duplicate]

As the title says I want to send Bitcoin to a wallet. That wallet is to receive the bitcoin at a future date. Basically I'd like to hodl some of my Bitcoin to be paid to my Children far into the ...
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2answers
235 views

Is Segwit really safe and reduced?

In the Segwit rules, transactions propagated to legacy node doesn't have any signature. so it will be valid as well as in terms of fresh node(supporting Segwit). First question: In this point, if ...
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1answer
35 views

How a SegWit transaction is accepted without witness?

I would like ask 2 questions. First, as perspective of legacy node(doesn't upgrade software): When SegWit transactions are transferred, witness data is stripped. It means that there are no signatures ...
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1answer
39 views

Can collective mining pools refuse to recognize a mining block mined by a specific miner?

This is a continuation to the question: Can a bitcoin transaction from a specific bitcoin address be banned? (via mining pools). Suppose Satoshi Nakamoto sends bitcoins from one address to another, ...
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1answer
77 views

Transaction confirmed for hours, not available in balance

My bitcoin transaction has been confirmed for more than 24 hours and also on the block chain but it has not yet reflected on the receivers balance, all transaction details are correct,what could be ...
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2answers
62 views

Can a bitcoin transaction from a specific bitcoin address be banned? (via mining pools)

Can a bitcoin transaction from a specific bitcoin address be banned? (via mining pools) Suppose Satoshi Nakamoto wants to send some bitcoin from one of his bitcoin address, can the mining pools ...
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1answer
36 views

What stopping miner from altering value in transaction to increase transaction fee?

I'm learning bitcoin through this book "Mastering Bitcoin, 2nd Edition by Andreas M. Antonopoulos". I'm at Chapter 6 "Transactions". Here is my doubt: Example there is node A, received transaction ...
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1answer
16 views

Processed withdrawal not reflecting in my blockchain wallet

Given below are the transaction details for the transaction which is not reflecting in my blockchain wallet, Transaction batch :f28888630e090d083ce2be5658f526b148d3e8259a33bbcfa58063cc13e8a4c0 ...
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2answers
46 views

Difference between block hash and transaction hash in bitcoin-core

Is there a logic based on which one can determine if a given 32-bit hash corresponds to a transaction or a block without enquiring a bitcoin-client? In other words, how do I differentiate or ...
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1answer
60 views

Not able to Spend 2-2 MultiSig UTXO

I created 2-2 Multisig Account 2NECouPA4UVNMzX1K7kekc4W3VudDhMdFkM from msrFNhKwLu9GrT3hFoizz21xEwJ61xMsym and n1NPFEJHBA8j63B5dgJ3aQcufA8VmrN27U, I tried spending UTXO from this account but got an ...
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1answer
60 views

How to verify virgin bitcoin

I am willing to acquire bitcoin without transaction history (virgin bitcoin) at a premium. How do I tell that the bitcoins I receive do not have any prior transactions (except of the mining one)? What ...
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2answers
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Taking out bitcoin from offline wallet

Ok, let's say I have an offline wallet for storing my bitcoin, now I have got a good amount of bitcoin, but i don't want to take out everything from the wallet, I only want to take out a small amount, ...