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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
21 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
10 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
20 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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0answers
16 views

How is verification of transformation of raw values done on the blockchain [on hold]

Is there a solution to verifying a transformation of raw values on the blockchain available? Example: You have a (private, permissioned) blockchain solution to verify how many apples you have in ...
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1answer
52 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
54 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
36 views

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, ...
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0answers
16 views

calculate transaction hash for bitcoincash [closed]

i am trying to use Bitcoin-ABC code to create and send transactions: https://github.com/Bitcoin-ABC/bitcoin-abc i succeded to create transaction and send it to the blockchain with https://bch.coin....
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1answer
30 views

I forgot my sending pin. How do I recover it [on hold]

I was trying to send bitcoins to another bitcoin account but it keeps on saying bad pin. How do i recover bitcoin sending Pin
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0answers
37 views

How can I check my transaction signature is correct?

I have tried recreating the exact transaction from "Appendix B: Funding Transaction Test Vectors" from BOLT 3 from the Lightning RFCs. My transaction looks exactly the same when parsed, except my ...
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1answer
20 views

Can the network confirm a utxo is from a wallet on a verified list

Given a business requirement of a verified list of wallets that the network has agreed on. can the network confirm a new type of utxo is from a wallet on this list and reject the new type of utxo if ...
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1answer
32 views

How do I prove cold wallet reserves?

For audit purposes I am trying to prove cold wallets reserves, is it possible to send a message with a USDT transaction or publicly 'label' a wallet?
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0answers
24 views

Getting Error “Unable to sign input, invalid stack size (possibly missing key)”

I have created a key from using coinstring, and then imported it into my wallet. Then I ran: bitcoin-cli signrawtransactionwithkey "$rawtxhex" "[\"$mykey$\"]" But it results in: Unable to sign ...
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2answers
52 views

How to use BitCoin private keys (a primer)

I am learning about BitCoin private keys and trying to figure out what the best way to use them are. I get their purpose and that they need a strong password, etc. But what I don't understand in ...
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1answer
33 views

How to start using signrawtransactionwithkey instead of signrawtransaction

I am following this tutorial, which says to use signrawtransaction. However, I get: error code: -32 error message: signrawtransaction was removed in v0.18. Clients should transition to using ...
2
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1answer
25 views

Race attack with transaction fees

let's say I run a simple race attack (say in a restaurant). I transfer BTC to the restaurant but seconds before (or after) I send the very same coins to myself. To make this deal more likely for ...
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2answers
30 views

Who do I send money to if I want to create an OP_RETURN transaction

I simply want to store one small string in the blockchain. That's it. I am reading here a step by step guide but there is little in terms of explanation beyond the code snippets. What I would like to ...
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1answer
25 views

I sent myself a test BitCoin, now what? I don't see it, how long do I wait?

I just created this, sending myself 0.01 BitCoin: https://tbtc.bitaps.com/b3e8e7dbe13c9939fc3157bef7725282d12594a0e8d14fa73493624ae394f314/mqRkjQjSCCVmsmBzsEQYhwCHEdz9dXRUwW I've waited for 5 ...
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0answers
35 views

Wrong Address when Transfering BTC to Paper Wallet

I think I fucked up when transfering my BTC from exchange to paper wallet. I used the private Bitcoin address you get when u make a paper wallet instead of receive address generated in blockchain....
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1answer
40 views

What are the difference between a segwit and legacy wallet

I am installing a mobile wallet and it ask me what type of address I want to use, I want to try and use a segwit address but is there a risk that my coins will be lost if I try to transfer fund from ...
2
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1answer
37 views

Do full-nodes process all transactions before broadcasting the new block header?

If so, why not do it after (re)broadcast? I think it would cut down on lag time. Since the node would still validate the PoW and the previousblockhash, it would not be possible to DoS the network ...
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1answer
32 views

Bitcoin And BitcoinCash Input Value [closed]

According to bip 143 (https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki), bitcoin transaction has the information about the input value as part of the witness. i heard bitcoincash has ...
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2answers
38 views

Transfer money from crypto account to normal bank account

I'm totally unknown about this topic so I come to all of you with my question. I sold something online and the buyer wants to pay me through his cryptoaccount. But then he told me that there is an ...
1
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2answers
150 views

How can someone lose funds in Lightning Network?

In Bitcoin once you own a private key associated with an address that had bitcoins on it, your funds are theoretically safe for ever. But on the Lightning Network, I see that once you send bitcoin to ...
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1answer
33 views

Receive/send Transactions latency

I am on Ubuntu 16.04, with the latest version of Bitcoin Core, synced and working. I would like to know why is there a little delay of approximately 1 sec, sometimes more, before a received ...
1
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1answer
46 views

Send payment and message at the same time

I am using NBitcoin to write some code. I want to send some bitcoin to an address AND include a message with it. The message could say who the payment came from or why it was sent. According to the ...
3
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2answers
1k views

Transaction with highest fee, but stuck, what did I do wrong?

I recently sent btc that appears to be stuck (https://live.blockcypher.com/btc/tx/c131d65d933e343f852021830b833123de952c1857f264503388cf642655c457/) The interesting thing is that I used a higher fee (...
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0answers
23 views

How to create a Bitcoin Transaction With Protocoin

Please how do I create a btc transaction and broadcast it with protocoin library? I want to create a transaction that will relay to the node without validating inputs and outputs. Of course I know the ...
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2answers
43 views

How can I consume my whole bitcoin balance in a single transction? Is it possible to use multiples UTXOs in a single transaction?

I want to make use of a single bitcoin address for payment. I'm using bitcoinjs library's transction builder for creating my own transaction. Can anyone help with a proper code to use multiple UTXO's ...
9
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1answer
110 views

Can we construct a UTXO which is spendable only via proof of work?

Do the current Bitcoin opcodes and transaction size limit allow constructing a UTXO which is only spendable if a specified amount of work has been performed? So the spender, would provide a nonce as ...
2
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2answers
55 views

How do I get the scriptPubKey type from the raw output script?

I use zeroMQ to get the transactions from Bitcoin Core. The output looks like this: { value: 200000, script: <Buffer 00 20 e3 30 7e 8e 0b 63 0e 53 c2 f1 f8 17 06 7b ce 01 c4 38 92 83 3e 02 2d ad ...
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1answer
32 views

Which wallets support double spending?

Which wallets support double spending? i.e. cancelling a transaction with 0 confirmations by using higher fees
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1answer
41 views

Is OP_RETURN dangerous for Bitcoin?

Please explain something about OP_RETURN to me? https://bitcointalk.org/index.php?topic=1166928.0 I saw a discussion that the contents of OP_RETURN can open the value of access to the private key. I ...
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1answer
186 views

How to create a bitcoin transaction without inputs

How can I create a transaction without inputs and it will be broadcasted but of course won't get confirmed? I would like the simplest method to do this
1
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1answer
42 views

How to programmatically send Bitcoins without requiring a local copy of the blockchain?

I'm quite new to Bitcoin development! I've seen the documentation about RPC commands, available when you have a local copy of the blockchain. But I'd like to know if it's possible to create and ...
2
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2answers
224 views

Other database besides UTXO?

In this post it is explained that the UTXO are removed after they are spent. This makes sense because they are not "unspent" anymore. But don't all UTXOs have a reference/connection to their ...
1
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2answers
108 views

Blockchain Explorer says received but it's not received yet!

I sent some Bitcoin to my friends wallet since 2 days ago. It says approved and sent successfully on my end. And even on blockchain Explorer it says confirmed and received. But my friend says he hasn'...
0
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1answer
24 views

Bitcoin transactions with multiple participants from input side

Is there any other type of bitcoin transactions with multiple partisipants from the input side except different types of CoinJoin transactions?
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1answer
21 views

Multi-destination transaction from paper wallet

As far as I know, I can make a transaction to a single destination by sweeping/importing private key. How can I make a transaction to multiple destinations?
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1answer
31 views

Partial transactions

I am new to cryptocurrencies. I want to transfer coins to multiple exchanges, how can I do it? Can I split coins from one wallet into the exchanges? Do I need a specific kind of wallet? And when I ...
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0answers
19 views

Clarification on the UTXO expense [duplicate]

I want to clarify my doubt on the UTXO expense, I have one transaction, an example this and the use case for creating this transaction is bc1qz6qtgzkjnvzrf02tl8sczg7q8r0kkws0d5ly5s -> Send 0.00712451 ...
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1answer
35 views

use of base64 signature in a transaction

I understand that there are two types of signatures, one DER format and another a compact type signature which includes a base64 format. In building a raw transaction how is the base64 format of a ...
0
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1answer
24 views

Any good reason to prevent duplicated address in send transaction for Pos coin? [closed]

The use of sendmany in a PoS coin is an obvious source for preparing stake inputs, however it historically has been prevented to send to duplicate addresses in one transaction with such an error as "...
0
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2answers
41 views

Send data to bitcoin blockchain

Is it possible to send a transaction containing hashed values in the body of it to no one? I explain better. I would like to store data on bitcoin and I would need to send a transaction containing ...
0
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2answers
30 views

Bitcoind in test network doesn't display transactions

Hello i'm setting up the bitcoin-core daemon, i use version 160300 ( but it is same problem with newer version ). I have made config like this: testnet.conf server=1 listen=50 listenonion=0 testnet=...
2
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1answer
23 views

Double Spend Behavior on First Network Propagation

Supposing there is a double spend, call the transactions T1 and T2. If someone propagated both transactions within a short space of time to the network, of course only one of them can make it into the ...
3
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1answer
69 views

Fundamentals: Addresses don't hold coins, wallets do?

In the beginning it was my understanding that: Every address has a private key Every address has a balance Every address may send and receive coins. This is simple. But now I am using more proper ...
1
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1answer
34 views

From LND Bitcoin Wallet to Bitcoin Wallet

Let's say I have some Sats on Zap Desktop wallet. Is it possible to transfer the Sats out of the Zap Desktop Wallet to for example MyCelium?
1
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1answer
19 views

Bitcoin network resources requirement

Supposing we are alone, could it be possible to run the whole bitcoin network and full capacity of it (maximum transaction per second by different peer) on a low end computer, and how can someone ...
0
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2answers
34 views

Can addresses used in a single tx be assumed to be from the same wallet?

can addresses of input of a single tx be always considered as belonging to same account? Above is a sample transaction on bitcoin. Here, input addresses are 3P2hJg8iRSBExAjd9yQGaazCLPFLeGB3hU (0....