Questions tagged [change]
Splitting a transaction and sending some of the coins back to the sender. Necessary for some currencies due to the design of the protocol.
103
questions
1
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1answer
26 views
Why do some addresses seem to send bitcoin to themselves?
When looking at block 630873, I noticed that some addresses seem to send BTC to themselves:
Am I misunderstanding the situation, or does 1A7tWftaGHohhGcJMVkkm4zAYnF53KjRnU send large sums of BTC to ...
1
vote
1answer
153 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?
...
1
vote
0answers
39 views
Verify Receive and Change Addresses
I run a coldcard with Electrum and Electrum-Personal-Server. As I understand it, we use hardware wallets because we don't trust our laptops.
However, I've only been able to verify the sending ...
0
votes
1answer
144 views
Cannot sign txn with change address using bitcoinjs-lib psbt
I am having a difficult time figuring out how to sign a spend from a change address. I get Error: cannot sign for this input with the key <value>. The initial transaction works fine, where I ...
0
votes
1answer
31 views
Does bitcoin qt need to synch before I can spend my change?
Sorry for the follow up question...
i was trying to transfer my btc to a new wallet (believing the original one had been compromised).
I sent 2 tiny test transfers of $1 then when they arrived in the ...
0
votes
1answer
110 views
Privacy: How should I handle UTXO's?
We know that, for security and anonymity, we shouldn't reuse addresses. Also, there is the idea of change avoidance to protect ourselves from any number of change detection heuristics.
But I find ...
0
votes
1answer
46 views
Is a bitcoin UTXO divisible?
In this video Andreas Antonopolous says an output is indivisible and therefore if a transaction smaller than the output is done, the rest is used as change and returned to your different address of ...
0
votes
1answer
29 views
How does Internal Keychain exactly work?
I understand that an internal keychain is used to receive a change of payment when I pay someone.
For example, I pay $20, but it costs $17, so I get $3.
But what I don't understand is how can there ...
0
votes
1answer
49 views
Why is there sometimes no output that sends funds back to the sender's address?
'A' has one bitcoin.
'A' tries to send a 0.5 bit coin to 'B'.
Two utxo are created.
First, "utxo" sends "B" 0.5 bitcoin.
Second, "utxo" where "A" remits remaining bitcoins to "A" except for 0.5 ...
0
votes
1answer
22 views
wallet that does not abstract change addresses?
I wanted a hands on approach to see change adresses myself instead of hiding away all the details.
I also want to see non-deterministic wallets just for education so that I can understand. When we ...
1
vote
2answers
53 views
Get back my change [closed]
Please help. I was new to thew blockchain and did not know about getting change back. when the address to give me my change showed up on my Ledger nano wallet I hit the x instead of the check mark. I ...
1
vote
1answer
33 views
My bitcoin change [duplicate]
I am new to this.I have sent out bitcoin over the blockchain before and saw that the hash just took a fee. However the other day it took out over.95 of a bitcoin when wanting to only send 0.04 of a ...
1
vote
1answer
46 views
May it be a risk to use the origin as the change address?
Follow scenario: The balance of my origin address is 1 BTC. I'm transfering 0.1 BTC to a shop where I'm buying some goods, my wallet returns the change to my origin address. Now my origin address has ...
2
votes
2answers
183 views
Bitcoin core wallet - got 0 balance after transaction [duplicate]
I did a test lightning transaction by sending 0.00001 btc to some exchange with using bitcoin core 0.16 (downloaded from bitcoin.org and installed to dedicated pc) and... it took the rest balance of ...
0
votes
2answers
559 views
Determine which transaction output is a change address and which is not [duplicate]
Is there a way to determine which transaction output is a likely a change address and which is not?
Looking at this transaction, there are two outputs - a change address and the output address. ...
2
votes
2answers
1k views
BIP44 and change addresses
I always wondered why BIP44 HD wallet differentiate between internal change addresses (m/44'/0'/0'/1/*) and external receiving (m/44'/0'/0'/0/*)? Why do some wallets advice me not using internal ...
0
votes
1answer
184 views
Tamper - evident log with hash pointer
We know that the hash of the previous block is included in the header of the next block. So, if an adversary change the data in the block no. 10, then they hash of it will be changed and the header of ...
1
vote
1answer
1k views
What's with this address 1111111111111111111114oLvT2?
It was the burn address with the most BTC received in 2017 according to
http://bitcoinwhoswho.com/blog/2017/12/30/8-97-bitcoins-burned-in-2017/. It's Hash160 is ...
0
votes
1answer
349 views
how to get change address using derived BIP44 publicKey?
I have generated a private key using my master seed private key.
PHP Code:
$bip44 = HierarchicalKeyFactory::fromExtended($result['masterPrivKey']);
$publicKey = $bip44->derivePath("m/44'/0'/0'")...
1
vote
1answer
689 views
Is this an incoming or outgoing transaction
I recently looked at this bitcoin transaction:
transaction: 3b0e8fae9640e1d043cfef14815c6885e58d71e7ee31cfa53f9c9d5acb138a4d
For those who do not want to look at the transaction, I will give a ...
0
votes
1answer
107 views
Bitcoin Address Workflow on Spend Leftovers
I need to understand the correct Bitcoin address workflow for transactions. I created an address a while back with a common wallet and sent some coin there. The address is at segwit m/49'/0'/0'/0/0. I ...
2
votes
1answer
401 views
bip44 address generation
I am writing hd wallet following bip44.
After each transaction, should I create a brand new change address each time?
Or can I use the same change address multiple times?
What is the recommended ...
0
votes
1answer
240 views
Who stores your private key?
How does Bitcoin work when someone opens a wallet and gets a private key? Who stores that data? How could you access it if your forgot it?
Also, how is it verified when someone exchanges bitcoin and ...
1
vote
1answer
53 views
Seemingly random transactions on testnet
I'm testing my bitcoin marketplace site using testnet. Sometimes I'll simulate a payment from a buyer to a seller. In this scenario, my site generates a payment address and the fake buyer is supposed ...
1
vote
1answer
114 views
Where does change go when making a transaction from funds imported from a paper wallet?
I'm new to bitcoin and have read numerous articles about it, but I still have questions about how it works.
All the articles that I read say the same that, once I spend bitcoin from paper wallet its ...
0
votes
0answers
58 views
Where is the rest of my bitcoin? [duplicate]
I sent bitcoin from one of my wallets to another wallet using one address (output)
then this is what I got only a fraction of my bitcoin the bigger amount went to another unknown address to me
https:...
1
vote
1answer
2k views
Increase transaction fee with Bitcoin Core client fails because of no change output. Why?
Context
I created a transaction (using the full balance of an output) with the Bitcoin Core Wallet (running as full node). The transaction got into the mempool of major nodes, as expected. I set the ...
2
votes
1answer
32 views
How to distinguish between change and actual sent amount looking at transaction data
I am building analytics starting from blockchain raw data (blk**.dat files).
I have read in the bitcoin wiki that once the inputs have been chosen for a transaction, they must be all used: so a ...
0
votes
0answers
290 views
Elecrtrum Change Address Problem [duplicate]
While I sending BTC to specific adress, it went to it but also it went to another address. How can i refund it?
2
votes
1answer
555 views
First bitcoin payment, sent X BTC, but transaction amount on blockchain.info shows as more than 2X?
I sent 0.01047 BTC through coinpayments.net using electrum.
First I selected minimum fee option, then I went back and selected one level higher as the fee tier.
My electrum wallet and blockexplorer....
0
votes
1answer
46 views
Under what conditions could a change address immediately send the entire balance to a third-party address?
I have a situation where I sent 1 coin to and address I own and my wallet sent the unspent output to a change address but due to a glitch in the wallet software, that change address doesn't show up in ...
0
votes
1answer
72 views
Can bitcoins be moved from the origin address to the origin address? [duplicate]
I ask this because it seems more efficient to send change to the original address instead of a new one. Does the cryptography not allow this?
4
votes
1answer
3k views
What happens when two transactions send to the same address?
I would like to know the consequences of sending bitcoin several times to the same address. Let us say I send 1 BTC from Address1 to Address3 and later I send 2 BTC from Address2 to Address3 again.
...
0
votes
1answer
310 views
Why didn't my change come back to my wallet? And where is it now?
I sent a payment for 198.52 mBTC using Electrum. There were two outputs. One for 196.39 mBTC that arrived. There was another output of 2 mBTC that I'm assuming was processed as change. Does anyone ...
0
votes
1answer
95 views
2 mBTC that was outputted as change in a transaction I just sent didn't come back to my wallet
Hi I'm new to this so may be asking a stupid question.
I just sent a payment for 198.52 mBTC. There were two outputs. One for 196.39 mBTC that arrived. There was another output of 2 mBTC that didn't ...
11
votes
4answers
2k views
If bitcoin is indivisible, where does change come from?
Let's say I want to give Alice .22 BTC. I currently have in my wallet 1 BTC. Because Bitcoin is indivisible, I have to spend the 1 BTC I have as input, and .78 BTC will be returned to me as change, ...
-1
votes
1answer
66 views
can I recover the change of a TX?
I was reading and I have a question, if you please can help me. I send 0.00335 BTC in this TX: bf3eedc1929042444e62badaf885a8dd49333c31ff40d023175a90da241ec2e0
and I see the 0.00335 as spent, but the ...
0
votes
1answer
2k views
Explorer showing different balance then my Blockchain wallet
My Blockchain wallet address on the explorer, shows a low balance (under .001) but when I log into the wallet I can see what should be there about .25 BTC. My Electrum wallet is also doing the same. ...
1
vote
1answer
94 views
Why did the remaining money go to another address?
I'll try to be short.
I gifted 1 BTC to a friend several months ago. She is a completely non-technical person. She tried to send a small fraction of that 1 BTC to her brother, and either she seriously ...
3
votes
2answers
1k views
PoS (Proof of Stake) what happens to the coin age of the change after I send an amount?
Ok simple scenario I have 100 'whatever' coins in a PoS wallet, they are mature and have a stake weight that is approaching the weight to stake and forge a block.
I send 1 whatever coin to my freind ...
6
votes
1answer
774 views
Wallet design: What to do with dust amounts in change?
I'm working on some quirks of a wallet I'm developing, and one of the issues is what to do with change amounts that are larger than dust ~600 satoshis, but less than a practical amount to be sent ...
0
votes
2answers
695 views
About changed address
I am using electrum.
First, I had a bitcoin address and I used it once to receive BTCs and then it changed.
Will I be able to receive Bitcoins now, even if someone sends them to the old address?
1
vote
2answers
70 views
If btc change is supposed to be distributed to change addresses, can the distributed change be pooled and paid together in 1 new transaction?
Since last time I dabbled in bitcoin using a single address wallet (using fractions of coins gained from captcha faucets), I've learned about new things like change addresses. I understand when you ...
3
votes
3answers
227 views
What can be changed in signed bitcoin transaction?
What can be changed in signed bitcoin transaction?
I mean how is possible to modify transaction to change its hash, but keep transaction valid, without need to have sign private keys?
0
votes
1answer
572 views
Why do transactions send coins to the same address as they spent it from?
I often notice transactions such as:
364efe5a906de5971e242f9711008e58a5ab79f136a8044b66615e8662d35f09
Where funds from the address 3PU with 1.38 BTC are split to itself (1.35 BTC) and 37Ek (0....
2
votes
1answer
69 views
Anonymity of Bitcoin ownership a fakery?
If John needs to send 0.1 BTC to you as payment to your product, and he wants to retain his BTC ownership confidential, and the transaction goes something like this...
1fdfsefesf..... ---> send 0....
1
vote
1answer
523 views
Why does coinbase make 2 transfers instead of one
I'm new to bitcoin in general and coinbase.com in particular. Can somebody explain what happens when I order a payment (in bitcoins) from their web interface?
Say that my acount owns 1 BTC. I create ...
5
votes
1answer
15k views
What does change address mean inside Electrum wallet?
I am bit confused with the change label that is inside Electrum Wallet . Can I receive bitcoin if i give this address which are under change label? What is the difference between Receiving and Change ...
4
votes
1answer
752 views
Trying to create a bitcoin public/private key using bitcoin-core
I want to create a single bitcoin address to which I can send and receive funds too. Using the bitcoin-core console, I typed in the following:
Input:
getnewaddress
Output:
Address: ...
0
votes
1answer
312 views
UTXO all sent to change address?
I have read this question that asks if all UTXOs in an address are sent to a change address or only the UTXO involved in the transaction.
As part of a spending transaction, the public address is ...
