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Questions tagged [viewkey]

One of two sets of private and public cryptographic keys that each account has, with the private view key required to view all transactions related to the account.

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18 views

Auditing outgoing transactions in Monero

So I know that a view key is not suffice to audit outgoing transactions. Still, can't a person re-sign his outgoing transactions and produce a valid ring signature with the same key image to an ...
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1answer
44 views

Auditing incoming transactions in Monero

It is said that a view key can expose incoming transactions. 1. Is the view key enough to prove ownership of an incoming transaction? The stealth address is calculated with H(Ra)G + B, so I ...
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1answer
42 views

Removing private view key from computer after exporting from ledger?

According to How do I generate a Ledger Monero wallet with the CLI (monero-wallet-cli)? exporting the private view key when generating or using the monero wallet with a ledger device speeds up block ...
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1answer
41 views

What makes decoding the total sent amount using the viewkey potentially inaccurate?

When using the 'decode outputs' on moneroexplorer for a TX that I sent, I get this warning when it (correctly) estimates the amount that I spent: Possible spending is: spent amount (tx fee included)...
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1answer
57 views

How does the get_reserve_proof command work?

The documentation of the command is as follows Command usage: get_reserve_proof (all|<amount>) [<message>] Command description: Generate a signature proving that you own at least ...
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1answer
507 views

Simple website to check Monero balance

Similar questions have been asked often, but no satisfying answer so far... Is it possible to (readonly) check the balance of a Monero address with only providing the address and ViewKey (no Payment ...
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1answer
92 views

Where is the code that generates stealth addresses and matches them with view keys?

I would like to learn more about the nuts and bolts of how monero implements stealth addresses. I have read the cryptonote whitepaper and have a handle on the math and premise of the concept. But I ...
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1answer
62 views

Is it possible to fake the date of arrival of funds?

Let's say I claim I've had X Monero for 1 year in my account and truth is I just received that amount X to my account yesterday. If I'm giving away all (private) keys to that person, he could see the ...
3
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1answer
58 views

How can a View Wallet be implemented in code?

I'm interested in implementing a view wallet in code. I've seen this example which worked great, however the only problem is it also requires a public spend key. I saw this question but I can't ...
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1answer
95 views

Different view key and spend key after importing private key?

I created a wallet and got a spend key and view key. Then i imported that wallet into Monerujo and there i got a different view key and a different spend key. I guess that's correct? It's kind of ...
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2answers
112 views

Minimum amount of keys needed to recover funds?

Is it possible to recover all your xmr funds from providing only your private spend key? Or do you need the private view key too? What is the minimum one needs to sweep all coins out from an address? ...
3
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1answer
276 views

What is the public spend key used for?

I know if you give your public view key to someone, they can see all the incoming transactions to an address. But it does not show the output transactions of that address. Is this what the public ...
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1answer
70 views

Cold wallet - got the 1 and L mixed up in private view key

I just created a cold wallet on moneroaddress.org I sent some Monero to the wallet. I then tried to check the balance, which required my private view key. It said view key was wrong. I am pretty ...
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46 views

Algorithm for Generation of Wallets [duplicate]

I am interested in the full algorithm for the generation of Monero wallets from seed words. I am looking for as much detail as possible. Can anyone point in the direction of the most complete ...
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1answer
60 views

Can auditor restore transaction dates/times/amounts?

Can date/time/amount/addresses be restored with private view key? Or is just total current balance known. What about with also having private spend key? It would be unfortunate to be in a duress ...
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0answers
38 views

In Javascript how to generate a monero address using the pub spend key and pub view key? [duplicate]

I'm able to generate the public view and spend keys. pub spend key 87af637178d59b0f94deb8dfce207844e1aa92ba1e20655d44dffb402fc2171b pub view key ...
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1answer
52 views

How does inner key generation work?

As far as I know electrum-words generate private spend key. private view key is Keccak_256(private spend key). So how is it possible that if I calculate library function Keccak_256 (Crypto++) on my ...
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2answers
177 views

Anyway to watch my own monero address without installing the full monero wallet?

Is there a way to monitor my monero address without the need to download the entire blockchain? And I don't want to constantly paste my private view key into a block explorer to see it neither. I want ...
2
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1answer
102 views

If a monero transaction has two inputs and one output, is it possible to partially sign the transaction of just one input?

If a monero transaction has two inputs and one output, is it possible to partially sign the transaction of just one input? If so, is it currently possible to export it from the core wallet or any ...
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2answers
2k views

What is the the difference from spendkey vs the viewkey in Monero?

I'm using the monero cli and was wondering what is the difference from the spendkey and the view key. They both output a secret and public key. Do you give the public view and spend key to the person ...
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1answer
2k views

How to check balance of Cold Storage Monero Wallet, easily, when privacy of balance is not an issue?

I am aware similar questions have been asked - but I could not find the exact answer I seek. In the situation of: The user has a cold storage wallet, made on an airgapped computer, and has written ...
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0answers
49 views

I only see a part of the transferred amount with my viewkey

I send an XMR amount from an exchange to a cold address. Using the tool xmrchain.net/tx/... I wanted to check if the transaction went well with the viewkey. I only see about 1/3 of the amount as ...
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1answer
149 views

http://xmr.llcoins.net/checktx.html tool does not work

I tried to use the view key in the tool : http://xmr.llcoins.net/checktx.html But it does not work, after pushing the button it states that it does not get a connection with moneroblocks Anyone ...
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1answer
538 views

What significance does the wallet public spendkey and public viewkey have in a transaction?

I was just wondering what function does the public keys in a wallet address have in creating a transaction or receiving a transaction from someone?
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1answer
194 views

Is the communication between wallet and remote node encrypted?

If I understand it correctly, the wallet provides the remote node with view keys so it can find the corresponding outputs, and later the wallet may also send a signed transaction for the remote node ...
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1answer
156 views

Viewkey for outgoing transactions

Here fluffy mentions the possibility of maybe modifying a viewkey in such a way that you can also see outgoing transactions. Does anyone have any more info on what exactly he meant or how it would ...
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1answer
109 views

How might someone view the balance of a multisig monero address without both its private keys?

Is it possible? Would two view keys allow you to at least see what it had received? Would one view key? Not sure how multisig would work with Monero. Perhaps there would only be one view key?
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3answers
690 views

Is making a key image public equal to giving the monero in that output away?

So I read about proving your balance to an auditor, and someone suggested that you can share your view key, exposing all outputs that you received on that address. If you then give out all key images ...
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1answer
333 views

How can I spend coins if other people can't see my balance?

So I have 5 monero, but if nobody else can see my balance, how can I prove that these coins are in my posession, and that they have not been spent yet. I just fail to see how Monero can ensure that ...
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3answers
1k views

Missing one word from 25 word mnemonic seed

I wrote down a mnemonic seed that is missing one word, the position of which is unknown. I was able to locate this recovery tool which is very helpful. However it assumes a 13 word mnemonic seed ...
4
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3answers
366 views

How does a third-party verify that I have the XMR to make a payment?

Say I have 10 XMR but I want to pay out 11 XMR. How do nodes tell that I don't have enough XMR? Do I have to share my viewkey with them?
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1answer
99 views

Do sub-addresses and disposable addresses have their own private viewkeys and spendkeys?

I was just wondering since disposable addresses and sub-addresses are derived from the main wallet address.
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1answer
188 views

How can Monero defend against a “majority of view keys” attack?

My question is a follow-up on a recent thread on Reddit: In this talk! a question was asked how many of view keys are needed to see through the whole blockchain and deanonymize all the ...
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1answer
258 views

Given a view key, can you see payment ids?

So the view key allows you to see all past and future incoming transfers for the corresponding address. Are you able to read a payment id belonging to a transfer if one was set? Is the answer the same ...
4
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1answer
332 views

Verifying an AEON transaction sent to cold storage

How can I verify the receipt of AEON sent to cold storage? Does AEON have a view key tool similar to this XMR check transaction tool or this Signed Outputs Public Keys Checker described in this ...
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2answers
459 views

sc_reduce32 … is it really supposed to be that complicated?

sc_reduce32 in crypto-ops.c looks super involved, but according to MRL-0003.pdf, its just: 4.1.11 sc_reduce Takes a 64-byte integer and outputs the lowest 32 bytes modulo the prime q . This is ...
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2answers
98 views

Private key - implications of sharing and relationship to public address

1) What is the relationship between the private view key and its associated public address? 2) What concerns are there about sharing or even publicizing a private viewkey?
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2answers
301 views

Verifying Tx to cold wallet

Having some trouble. I have made a few transactions to hot wallets just fine. Balances reflect transactions. Also sent tx to cold storage wallet addresses. Using https://xmrchain.net/ I can see ...
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2answers
14k views

Easy way to see my balance without having wallet synced

just joined and have a question... I started mining XMR when the new GUI was released and used the address generated to receive payment from pool. Unfortunately the mac I'm using is very old and it ...
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3answers
1k views

How to create a view-only wallet for the GUI?

Say I have a cold storage wallet, is there any way I can make a view only wallet with GUI?
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1answer
122 views

How does the wallet scan for outputs belonging to it?

In principle it's clear from the CN whitepaper: Bob checks every passing transaction with his private key (a,b), and computes P' = Hs(aR)G + B. If Alice's transaction for with Bob as ...
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1answer
96 views

How can someone run all blockchain and check if certain block has tx belonging to viewkey

Based on JAXX problem in integrate the monero wallet on their service I was wonder how can one run all the blockchain and check the blocks for belolonging TX from certain viewkey Is there any ...
6
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1answer
211 views

What is the deterministic hash to EC function used to construct the key image?

Ring signatures alone would allow double spending, so Monero (as a result of following the CrpytoNote whitepaper) has to use a 'key image', which is the same across identical transactions and hence ...
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1answer
116 views

Trezor firmware, private view key, key image and privacy

It is my understanding that the Monero trezor firmware uses the private view key. This might lead to some privacy concerns. I have read that key image can be used to check balance of a paperwallet. ...
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29 views

I have public address and private view key. How can I check ballance online? [duplicate]

I have public Monero address and private view key. How can I check how many XMR is currently on the address, without installing anything? I am looking for some equivalent of blockchain.info that can ...
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2answers
2k views

Selective transparency in Monero vs Zcash

How does the view key functionalist in Monero compare to the view key functionality in Zcash? Does one system review more or less transaction details than the other? What are the differences?
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1answer
45 views

Can view keys differentiate between payments and change?

Considering they track incoming payments as well as change, how do they know which one is which? If an organization wants to audit my account, and I've been sending a large number of transfers, won't ...
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2answers
571 views

How does one provide “proof” of payment beyond txid?

I have seen this discussed on Bitcointalk, but how does one prove they sent XMR to the receiver of the transaction if the recipient claims they never got it? Is this where a viewkey comes in? What ...
5
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2answers
808 views

Can the import\export key images command can be used to check the balance of a paperwallet?

The import/export key images command can be used to check the balance of a view only wallet. But is there a way to use it to check the balance of an already set up Paperwallet? Is it possible to get ...
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2answers
2k views

How do you create a watch only wallet in simplewallet with the viewkey?

We all know that the viewkey can be used to verify transactions you've made, and has been covered to a certain extent in other questions, but how is this employed using the simplewallet client? What ...