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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30 views

Can a trading platform not provide TxID? [closed]

I am very new to crypto sphere and I would very much appreciate some expertise knowledge I'll try to only include what is relevant information and get straight to the point. Recently, I have ...
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6answers
4k views

Why is there “Change” in Bitcoins?

I have read about a change address and wondered why there even is the concept of change? Let's say I received 1 BTC from some person A and I want to send 0.4 BTC to another person B, afterwards. From ...
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1answer
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Btc transacted to wrong Exchange [closed]

Good day all, I would like to find out if it happened that you have transferred your btc to the wrong exchange address how possibly can I retrieve it? Transaction ID: ...
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1answer
20 views

Blockchain transaction unspent [duplicate]

This is a bitcoin transaction as shown in a blockchain explorer. What does ‘2 confirmations’ mean here? Sorry for the picture quality. Which one is the best answer? 2 confirmations by miners are ...
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0answers
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What happens if 2 transaction spend to the same output? [duplicate]

I'm looking though the blockchain, and I've found 2 transactions in different blocks, which have the same hash: block 91812: "result": { "hash": "...
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1answer
55 views

How to verify if a transaction is signed correctly?

Given an arbitrary signed raw transaction, how can we easily verify if all inputs are correctly signed (assuming all inputs are existent/unspent and the fee is higher than zero)? Bitcoin core's RPC ...
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0answers
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Comment bien faire un retrait? [closed]

Salut,j'arrive pas à faire mon retrait après plusieurs tentatives.je voulais faire un retrait de 0,01 BTC de mon compte mais j'y arrive pas,comment faire?
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1answer
25 views

Sending fund to an existing bitcoin address

BTC address1 has 2 BTC BTC address2 has 4.5 BTC Assume the address is reused, the fee is zero. Address2 sends 1.5 BTC to address1. Thus, BTC address1 has 3.5 BTC and BTC address2 has 3BTC Since BTC ...
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2answers
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Blockchain.com transaction explanation

I'm query the BTC blockchain using blockchain.com to understand my own transactions a bit better. One thing that confuses me in the inclusion of the Pkscript (scriptPubKey) under "Inputs" in ...
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0answers
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Parsing transaction hash from rawblock data

I got block raw data next url https://blockchain.info/rawblock/00000000000000000002447735c7723ee9188322c0938e6587866a4458b9135f?format=hex Can I find transaction hash in url used python?
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1answer
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Can we determine which one of the referenced outputs corresponds to a cashback transaction in BTC transaction scripts?

let me quickly elaborate the question. The structure of a BTC transaction script looks somewhat like the following example "...
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3answers
57 views

Does descendant size affect transaction fees?

While calculating the transaction fee miners usually take ancestor size into the account. But does the descendant/output also affect the transaction fee calculation? Is descendant count correlated to ...
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1answer
47 views

Why does my wallet.dat file contain scripts starting with 0014?

I am trying recover coins from old (2012) wallet.dat. I don't know the addresses. So I dumped several wallet.dat files from Bitcoin Core. I have checked over 25,000 addresses which contain 0 BTC. ...
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1answer
47 views

Im new! I just need to add bitcoin to my wallet for a one-time transaction! Pls help! [duplicate]

Ok, Im new. Totally. ALL I WANT TO DO IS USE MY MONEY TO PUT BITCOINS IN MY WALLET IN ORDER TO MAKE A SINGLE TRANSACTION. THAT IS IT! I have a Galaxy S10e & this was one of the choices of wallets ...
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1answer
24 views

How Crypto Payment Processors Handle Wallet Balance Privacy?

If an online store accepts crypto payments directly into its wallet there is a problem: "Anyone can make a small transfer to any BTC address derived from the MPK so they can watch the store's and its ...
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0answers
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Understanding how balances work

So I'm running the btcd node and wallet in simnet. I've generated more than 100 blocks. I've a few accounts on the same wallet. The list of the accounts: $ btcctl --rpcuser=foo --rpcpass=123456 --...
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2answers
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What if two people want to spend same input at the same time

Lets say me and my friend both have access to same private key which can sign some new transaction. What would happen if me and my friend broadcast transaction with same input at the same time to a ...
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1answer
62 views

I transferred about 0.54 BTC and I cannot find this on Blockchain.com. Can anyone help? [closed]

I'm hoping someone more onto it can help me find or understand exactly what happened when I xferred my BTC from an exchange (Dasset) to my wallet. I transferred about 0.54 BTC to ...
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1answer
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Difference between originator of transaction and owner of the source fund

Here is an excerpt from Andreas Antonopoulos, Mastering Bitcoin, Chapter 5 (Transaction), sub chapter(Creating Transactions): My question is what's the difference between the originator of ...
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1answer
49 views

The digital trail is a “warrant” to recover transactions sent to BTC that were sent to wrong address

This is similar to a question already asked, but I disagree with the answers. There is a big digital trail of the transaction. To me, that is like mail delivered to the wrong house, but opened ...
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2answers
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How Can I speed up decrypting?

I have a recovery company retrieving my scammed bitcoins. They have moved them directly to my brand new wallet but the decryption process is very very slow. They say I should purchase more bitcoins ...
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1answer
53 views

Someone made a small, apparently fraudulent, transaction to my public address. What is the purpose behind it?

I have a small e-commerce site and someone made three cryptocurrency purchases just seemingly to know my public addresses as she never paid the cost of goods. The three addresses she viewed are public ...
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1answer
31 views

Sequence valid before time

I'm studying sequence, and I set a transaction valid after 512 seconds. First of all I use regtest and I start from clean blockchain, after that I mine 114 blocks. At this point miner creates a ...
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0answers
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Transaction with multi input in concept

As a developer I know how to create a transaction with one input and one or multi outputs. I know after we created a transaction with some of predefined parameters, we have to hash it and then we ...
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0answers
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btcdeb and OP_CHECKLOCKTIMEVERIFY

I create a transaction with OP_CHECKLOCKTIMEVERIFY. The median time is not greater than my date that I set in my witness script, for that reason if I try to send it I receive: error code: -26 error ...
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1answer
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How can bitinfocharts.com know the changes in BTC deposited to Binance?

I find this page here, which tells me how much BTC is deposited to Binance. How does this (or a similar) page work? When I deposit BTC to Binance, I am given an address, which I am fairly sure it's ...
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1answer
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Stuck transaction

I send all the btc in one wallet to another wallet of my own, so as i didn´t have a rush i put a small fee, too low to be honest. I´ve read that eventually the transaction will be forgoten and ...
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2answers
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Check txout against the circulating supply instread of MAX_MONEY

https://github.com/bitcoin/bitcoin/blob/aaaaad6ac95b402fe18d019d67897ced6b316ee0/src/consensus/tx_check.cpp#L27 If txout.nValue is more than the circulating supply and less than MAX_MONEY, ...
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1answer
73 views

When “lock time” was added to Bitcoin?

Since when lock time exist in Bitcoin transactions?
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2answers
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what is referred as coin in bitcoin network?

I gathered information about bitcoin from various resources. All those resources said that when a transaction is done, the transaction get added to a block. So when Alice send 2 btc to Bob, network ...
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1answer
39 views

First crypto transaction

When making your first bitcoin transaction, at what time do you generate the public and private keys and how do you store your private key on a hardware wallet?
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1answer
39 views

nSequence doesn't block my transaction

I'm studying how Timelock works. I'm able to create transaction with absolute time, nLocktime and OP_CLTV. Now I want to understand the relative part, and I start with nSequence. At the moment I use ...
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0answers
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Transaction as been confirmed but has not reached receiver's wallet [duplicate]

Transaction 26e074dda878b78b122739b6dbe65d06472bb40ca3abd047a58910016cd5467a Receiving Wallet address: 3J4Vwkd8KBzf7Np69KWkkvzED6HyRTpL1e Amount: 0.04457308 BTC
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1answer
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Privacy. How to prevent transaction recipient tracing prior transactions of mine

I am thinking of sending some BTC to a new BTC address, but do not have complete trust in that new one. I'm sending to someone else, but want to be sure that if I do, they can't access other people ...
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1answer
39 views

Fee to send $350. There were 225 bytes

How much would the fee be to send $350 to someone? The person is trying to tell me it would cost $270? The bytes were 225
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2answers
25 views

How can I get all transaction for a specific address using Nbitcoin?

How can I get all transactions for a specific address using Nbitcoin? This would be really helpful Punnoose
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2answers
265 views

Why raw Bitcoin transaction are in hex format?

Why are Bitcoin raw transactions in hexadecimal format? I am looking for scientific articles / books on this topic and I can't find anything, so my question is: why are they in hexadecimal and can ...
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1answer
28 views

Bitcoin core - creating transaction from UI without broadcasting it

I would like to use Bitcoin core's wallet UI to create a transaction but instead of broadcasting it I would like to get the underlying raw transaction. Is there a way to do that? I assume that ...
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1answer
46 views

OP_CHECKLOCKTIMEVERIFY non-mandatory-script-verify-flag

I have two addresses in my regtest. A address is the P2SH-P2PKH. (sender) B address is the P2SH-P2PKH, but with OP_CHECKLOCKTIMEVERIFY block height 201. (receiver) My regtest doesen't have any ...
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1answer
50 views

Remaining bitcoins sent to a different address

Let's say I have 20 bitcoins in address A. I sent 5 bitcoins from address A to address B. Why is that the remaining bitcoins got sent to address C that I never used or knew before. I still get ...
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1answer
157 views

Where is the change from the output stored in?

I'm learning that Bitcoin doesn't have a way to represent the account balance, but it's, rather, a sum of UTXO owned by the users of the private key. Then where is the change from the output stored? ...
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0answers
24 views

Transaction verified but didn't arrive at destination wallet? [duplicate]

First time using bitcoin so after a lengthy verification process I got transaction confirmed via moonpay. But it hasn't seemed to have arrived at the destination wallet. So either it did arrive or ...
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0answers
24 views

How to calculate z and z1 from ecdsa signature [duplicate]

Can anyone explain me any clearly answer or code in python with examples how we can calculate z and z' value fromECDSA Signature order? I search in google and youtube and i not saw any correctly ...
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0answers
45 views

How can i calculate z and z1 from ecdsa signature

Can anyone explain me any clearly answer or code in python with examples how we can calculate z and z' value fromECDSA Signature order? I search in google and youtube and i not saw any correctly ...
0
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1answer
35 views

OP_CHECKLOCKTIMEVERIFY generates non standard transaction

I create a transaction in my regtest enviroment with OP_CHECKLOCKTIMEVERIFY it's my transaction data: ...
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1answer
20 views

Understanding assurance contract in bitcoin scripts

I'm having a bit of trouble understanding example 3, the bit coin assurance contract on the bitcoin wiki(https://en.bitcoin.it/wiki/Contract) where senders choose to donate money only if 1000BTC total ...
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0answers
22 views

Bitcoin sent and confirmed on my side but not recieved [duplicate]

I sent 2 payments to a bitcoin address I checked the address many times and it was correct, even got a second pair of eyes on it. However the payment was never received yet conformed on my side. The ...
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1answer
32 views

How to calculate fee in BitcoinJS raw transaction?

I have a transaction with 3 inputs and 2 outputs. 1output is the recipient and the other output is change address. How should I calculate the fee and apply it to output?
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1answer
41 views

How does the network verify previous transactions when transferring BTC between two users?

When transferring BTC between two users, the new transaction will consist of references to previous transactions. For example, if I user A wishes to transfer 1 BTC to user B, he will need 'n' ...
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1answer
35 views

How to find my transaction from root of Merkle Tree [closed]

How could I verify my transaction from the root of Merkle Tree.

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