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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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19 views

I have a transaction I. D. Number/receipt sent to me via email. How do i collect my money payment? [on hold]

Can I received step by step instructions on how to collect my payment when I have my transaction id number?
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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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20 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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1answer
30 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 ...
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0answers
86 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 ...
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2answers
43 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
29 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
37 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
178 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
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1answer
39 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 ...
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2answers
149 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 ...
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2answers
98 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'...
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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
20 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
30 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
31 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 ...
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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 "...
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2answers
33 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 ...
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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=...
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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
60 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 ...
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1answer
33 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?
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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 ...
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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....
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1answer
27 views

Wallet forensic

Someone who scammed me used this wallet to receive the BTC 12fmomENb5SSxR54Bitua71CZrc4oVQtmB he hasn't moved them from there since July 31st I'm trying to figure it if that wallet belong to any ...
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1answer
61 views

How to decode a coinbase transaction?

Below is block result of block height 200,000 { 'hash':'000000000000034a7dedef4a161fa058a2d67a173a90155f3a2fe6fc132e0ebf', 'confirmations':396774, 'strippedsize':247533, 'size':247533, ...
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2answers
232 views

Single tx included in two different blocks

https://www.blockchain.com/btc/tx/a7bacce00e5df85d3547a3f83ac10c65eec30f715c1d77d8d4a7bc17fd470965 How is it possible that a single tx is included in two different blocks? Isn't it considered double ...
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0answers
13 views

request btc payment when insufficient btc sent

If a transaction was made and not enough btc to cover it, what are the options to add to the btc to cover the transaction. How does the request payment work in this instance?
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2answers
39 views

How Bitcoin dose find and verify UTXO ? is this efficient?

If Bitcoin sees all blocks, it will be very slow based on chain length and block size but, it can certainly verify incoming transactions. I know that blockchain is never modified any previous block. ...
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0answers
14 views

Extract BCH from BTC wallet [duplicate]

I have the BTC address that I put the BCH in. How can I get it back out? My first transaction was rushed and I made the mistake. I tried moving it, the address show the BCH and no BTC. Very new at ...
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2answers
45 views

Can't get the tx with gettransaction or getrawtransaction methods

I am running bitcoin-d (probably downloading the prev blocks) in a shell. In another shell i am trying to get the information of a transaction (...
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1answer
39 views

How to sign a raw multisig transaction from an external private key

I am creating a 2-of-3 multisig wallet, where the 2 hot keys are external HSM devices. I am using Bcoin to create my transactions. After the transactions are created, I will send the raw transaction ...
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2answers
42 views

Anonymous transactions with bitcoin core

Is there any chance that people will identify me when I have nordvpn running in the background when making transactions with bitcoin core? Already done this What are you recommendations to stay ...
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1answer
31 views

Will this Transaction still arrive or was it stolen?

Was this Transaction stolen or did i make a mistake? ae6f689cb77a5eceea9eed5a91ce51f940fef2b8832946e747d0d0d788c3d9b3
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1answer
50 views

Clarification on the script P2SH, how is executed to Bitcoin core?

This question is a continuation of the my post yesterday. Today I have a question on P2SH execution so, an example of the script should be this OP_0 <A Signature> <B Signature> OP_2 <...
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2answers
35 views

when does a transaction go through?

When exactly does the receiving party receives their payment. When the transaction is validated or when the transaction is added to a block?
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1answer
40 views

How would a bitcoin transaction fits into a double entry accounting

A bitcoin transaction may have multiple input and multiple output. When we have a multiple input and multiple output scenario. Also, we might not be able to identify from which address the transaction ...
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1answer
22 views

How can size of a block be significantly small? [duplicate]

As we all know bitcoin block size should be sth about 1MiB. (Some blocks about 2MB). And this is because miners put all transactions to the block every 10 minutes. So what happens technically that ...
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0answers
24 views

Some weird BTC transaction just happened to my wallet, sub wallet doesn't send back the BTC to my wallet [duplicate]

So my wallet address is 3BA1kdxSyFLADWJHDeaFb2xap4QASVvXto First I sent 0.00010000BTC to 1FjpQCZvqQxpGjvdU8AcxVyxXgJqY17Uzw (https://btc.com/...
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1answer
23 views

What is a mechanism of providing Merkle Path?

In the Bitcoin, SPV node can query that its transaction is included specific block to full node that provides merkle path which has super fast calculation. In terms of full nodes, they have full-...
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1answer
45 views

How to prevent double spending Bitcoins?

If I create a transaction, my node will check my UTXO's and if i have enough BTC to do this transaction it will be mined. So let's say I want to spend 12 BTC to Anna. The System will check if i ...
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1answer
23 views

How to get a readable format of curl with a transaction?

Using curl https://blockchain.info/unspen?active=... with a valid ID I expect an output (according to my book) in a readable JSON format. Instead I get: bitcoin@raspberrypi ~ $ curl https://...
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1answer
35 views

What is stopping me from modifying the mempool of my node (may it be PoS or PoW)?

I have been trying to wrap my head around some core concepts of how a blockchain works and something has been bothering me for a while. Let's consider a case where I am running a full node of a ...
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1answer
30 views

What is service or entity broadcasts transactions with OP_RETURN data starting with “LP…”?

There have been quite a few OP_RETURN transactions recently where OP_RETURN data in the scriptPubKey starts with 4c 50 which is LP as ASCII. For example these transactions: - ...
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0answers
23 views

What are the ways of receiving transactions list via Bitcoin address?

My team challenges an issue. Trying to support Bitcoin wallets in a messenger app and staying user-friendly, we need transaction lists to be receivable quick and nice. So users would not die waiting. ...
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1answer
17 views

how can i coding wallet to build exchange to client withdraw

i want to build a cryptocurrency exchange so my question how is best way and secure way to depositing and withdrawing clients ? should i use api like https://cryptoapis.io or https://www.blockcypher....
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3answers
87 views

Does merkle root contain hashes of transactions from previous blocks?

Every block in a blockchain contains merkle root value. So for any block, there is some list of transactions and you create a merkle tree based on these transaction. For other blocks, same process ...
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1answer
24 views

A question about transaction broadcasting and block creation

Let's say we have transaction X and transaction Y. The timestamp of X is chronologically earlier than that of Y. X's spender broadcasts X to the network and the same goes for Y's spender. Let's say ...
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1answer
26 views

Transaction malleability

I have been reading about transaction malleability a lot still doesn't make sense to me. Is there a script I can use to test it out ? If the transaction that is malleable is changed by the attack, how ...