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.

Filter by
Sorted by
Tagged with
0
votes
2answers
31 views

Transaction in future

Is there any plan to add a feature so that you can perform transactions that will be spent in the future and stored on the network? For example, I want to send some bitcoin to my kids after each N ...
1
vote
1answer
37 views

What valid transactions are not broadcastable?

Many valid transactions are not broadcastable by default in bitcoin core to avoid attacks that could harm the network. These would rarely be found in a node's mempool but could, however, be found in ...
0
votes
2answers
188 views

What is the source of initial transactions of bitcoin?

Sorry, if I am wrong or silly! It is understood that: a) Satoshi Nakamoto sent the first transaction to developer Hal Finney on January 12, 2009, the genesis block contains 1,073 transactions and he ...
0
votes
0answers
53 views

how i can find private key from Y X Z [duplicate]

How can I find the private key with X and Y and Z in the transaction i have this ('THE R VALUE is :', '0cf435db180216f3aaa5c2cb8231cbccf2f6824fc0051396b45e4ab01bb0f5e3') ('THE S VALUE is :', '...
1
vote
1answer
40 views

How small can a payment be while still adding value to your wallet?

If you receive 1 satoshi (0.00000001 bitcoin) in a transaction then adding it as an input to a larger transaction would add more than 1 satoshi to the transaction fee. This means the 1 satoshi shows ...
0
votes
0answers
32 views

How may i get all transaction from A address to B address & opposite? [duplicate]

So i just finish download the blockchain from Bitcoin Core, how may i load them files, filter all the transaction from an address to another & print it to text file with detail?
3
votes
2answers
54 views

How does the sender know the receiver's public keys in a m-of-n transaction?

Assume that Alice is controlling an address that requires multisig to spend bitcoins. Someone wants to send Alice bitcoins and this sender needs to create a scriptPubKey as part of the output paying ...
13
votes
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 ...
5
votes
2answers
131 views

What is transaction “finality”?

bitcoind IsFinalTx() as seen here checks the properties of a transaction in this order: Is nLockTime exactly 0? That's final. return. If it's not 0, is it below the current block height / time? If so,...
0
votes
2answers
67 views

Blockchain shows a confirmed order still “unspent”. How do I reclaim Bitcoin thru Coinbase, so I can place order again

I placed an order thru Coinbase using Bitcoin to the address the vendor provided at checkout, and the transaction was confirmed. However, now several days later, the Blockchain shows the Bitcoin "...
1
vote
1answer
74 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 ...
0
votes
1answer
39 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 ...
0
votes
0answers
24 views

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": "...
2
votes
3answers
354 views

How do exchanges set their transaction fees?

I was reading on the Bitcoin wiki (https://en.bitcoin.it/wiki/Transaction_fees ) that a user can set his own fees when conducting a bitcoin transaction. Like many, I have a Coinbase account, but I ...
13
votes
5answers
3k views

How do I safely accept bitcoins without waiting for confirmations?

Are there any arbitrators that would guarantee the bitcoin transaction such that no one has to wait ten minutes to confirm the transfer of the said bitcoins?
0
votes
1answer
31 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 ...
0
votes
2answers
20 views

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 ...
0
votes
0answers
28 views

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?
0
votes
1answer
17 views

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 "...
-2
votes
1answer
50 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 ...
51
votes
3answers
28k views

Explanation of what an OP_RETURN transaction looks like

How is OP_RETURN used and why was it introduced in the first place?
2
votes
3answers
75 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 ...
0
votes
0answers
41 views

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 --...
3
votes
2answers
140 views

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 ...
0
votes
1answer
68 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 ...
1
vote
1answer
485 views

How do transactions in the blockchain work

I'm trying to go through the whitepaper to get a better understanding of bitcoin but I don't understand the block and subsequent blockchain model to create a transaction. The problems that bitcoin ...
0
votes
1answer
17 views

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 ...
0
votes
2answers
43 views

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 ...
5
votes
3answers
3k views

How can I avoid paying transaction fees?

A bitcoin transaction requires paying a fee to the network, and that fee changes depending on network congestion. During busy times the fee rate may increase substantially, so how can a user avoid ...
25
votes
3answers
19k views

Is it possible to send bitcoins without paying a fee?

I am using the 0.4.0 release. Is it possible to send bitcoins without paying a fee? Who gets the fee ? Is it only miners discovering new blocks?
0
votes
1answer
68 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 ...
1
vote
2answers
669 views

error code: -26 error message: 16: mandatory-script-verify-flag-failed (Signature is found in scriptCode)

I am building a simple p2pkh transaction using libbitcoin. Trying to pass it through my regtest node. I am getting the following error message. error code: -26 error message: 16: mandatory-script-...
0
votes
1answer
44 views

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 ...
0
votes
1answer
43 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 ...
0
votes
0answers
22 views

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 ...
0
votes
0answers
30 views

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 ...
0
votes
1answer
36 views

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 ...
0
votes
2answers
33 views

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, ...
2
votes
1answer
77 views

When “lock time” was added to Bitcoin?

Since when lock time exist in Bitcoin transactions?
0
votes
2answers
29 views

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 ...
1
vote
0answers
159 views

Stuck unconfirmed balance in multibitHD (stuck since 2015)

I recently started reusing bitcoin. Let's just say, I gave it a lay off when the value of bitcoin bombed in 2015. I sent my bitcoins from my MultiBit wallet to MultiBitHD on 13th november 2015. They ...
0
votes
1answer
40 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?
0
votes
1answer
6k views

I accidentally sent bitcoins twice to the same address

Accidentally, I have transfered BTC from my one wallet to another twice on the same address. First transaction was successful, but in the second case the BTC got deducted from one of my wallet but not ...
0
votes
1answer
41 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 ...
0
votes
1answer
27 views

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 ...
0
votes
0answers
27 views

Transaction as been confirmed but has not reached receiver's wallet [duplicate]

Transaction 26e074dda878b78b122739b6dbe65d06472bb40ca3abd047a58910016cd5467a Receiving Wallet address: 3J4Vwkd8KBzf7Np69KWkkvzED6HyRTpL1e Amount: 0.04457308 BTC
0
votes
1answer
43 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
1
vote
2answers
478 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 ...
0
votes
5answers
9k views

How to get the list of transactions of input/outputs for a bitcoin address in JSON format?

Is there an example of how to get all the transaction data for a bitcoin address in json format?
0
votes
1answer
41 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 ...

1
3 4
5
6 7
57