Questions tagged [spend-key]

One of the two pairs of private and public cryptographic keys that each account has, with the private spend key used to spend any funds in the account.

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sc_reduce32 not working for mnemonic generation?

I'm working on an address generator that's comptaible with the Monero GUI. My seed generator works, however I still don't understand why Crypto Address Test gets a different result when it creates the ...
shadow's user avatar
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Help compute a public key by hand (in a unix shell)

I am trying to replicate https://monero.stackexchange.com/a/12288 "by hand" with common unix shell tools only - bc, xxd and openssl. According to documentation for ED25519, l is 2^252 + ...
hokkjoy's user avatar
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en/decode MultisigxV2R1 and get raw data / Check if "MultisigxV2R1..." correspond to known address

Is there any way to make it on my own, without using monero-cli? I'm trying to create a 2-of-2 multisig using raw private keys. not from seed My example scene are follows. Bob and Alice generate ...
Jack Cruz's user avatar
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Are hex private keys already in little endian format?

I implemented my own private (seed) spend and view key generator for learning purposes but I still don't fully understand. I ended up with a working implementation but I feel that I'm just swapping ...
3af2's user avatar
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Can sender prove that the transaction was sent to the particular recipient?

I read the article about a Navy nuclear engineer who was arrested and I wondered how can they prove that he actually received XMR from the agent. As far as I understand, the stealth address is using ...
Lasha M's user avatar
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Generating private keys

So I've been playing around with a Rust Monero library and I wrote this piece of code. fn main() { let msg = "inwardly jester boss puzzled medicate iris terminal problems epoxy atrium newt ...
Aldas's user avatar
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Securely sending transactions over the monero network (secret spend key)

I am trying to integrate the wallet API into my own application (which will be installed by my userbase) so that I can send Monero to my own address. I understand that a transaction needs to be ...
monerobuster2004's user avatar
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What is a valid public key in Monero?

I know that it's important to run sc_reduce() first to filter some invalid scalar when I need a private key. How about public keys in Monero? How can I ensure its format is right? Please help to ...
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Is there a command line tool like bx to bitcoin that I can use with cryptographs

I would like to generate key pairs from seeds manually. However, Monero uses several special methods like Keccak hash function or CRC32 etc., which bx does not provide... Is there a command line ...
Mooooo's user avatar
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How can I get the right Keccak-256 tools. The online tool seems wrong...?

I want to test this StackExchange Q/A. which got 889DA12A88D36BCE0966AB1A79125779DD1F2FC6F1145DE131FD52A5B468796D from % keccak -256 198584347013dd91832be3d82529437db7cc8e1850e559cdd3872b29ca819601 ...
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If I exposed my public view key and public spend keys, what gets compromised?

If I expose my public view key and public spend key, what can someone do with it?
Patoshi パトシ's user avatar
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Generate a wallet file from a spend key in the command line using the CLI wallet in a "non-interactive" way for scripting purpose

I have a monero spend key and I want to generate a new wallet file using the CLI, but I want to do it in an non-interactive way so I can use this same command in my scripts. I tried doing: monero-...
Patoshi パトシ's user avatar
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How do I manually generate a base58 private key from my secret spendkey?

What are the steps for deriving a base58 private key from a secret spendkey? Sort of like the answer here, but for Monero or another Cryptonote: https://bitcoin.stackexchange.com/questions/8247/how-...
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How to calculate Monero addresses for different account numbers?

Monero accounts and subaddresses are conceptually well illustrated at https://medium.com/@anhdres/how-moneros-accounts-and-subaddresses-work-in-monerujo-4fa7df0a58e4. And page 125 of Mastering Monero ...
skaht's user avatar
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Building a service to hold Monero private keys. I need to update user's balance every 1-3 hours

I trying to build out a service that holds user's monero private keys. But the issue I'm having is how does one update their balance of these private keys? And no I cannot use subaddresses for my use ...
Patoshi パトシ's user avatar
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Is there a javascript implementation to generate your Monero subaddresses without giving out your private-spend key?

I want to create an online widget where one can output their subaddresses without having to input their private-spend key and only use the other keys provided. Is there a javascript implementation of ...
Patoshi パトシ's user avatar
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When using the android and iOS monero wallets. How does it not send the private spend key to the node to scan the blockchain?

I'm curious to how this is done in a secure way when using a mobile wallet on android or iOS. We have our private spend keys on these devices, but when scanning the blockchain to update your balance, ...
Patoshi パトシ's user avatar
2 votes
1 answer
114 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 ...
sziap's user avatar
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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 ...
Endogen's user avatar
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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? ...
Patoshi パトシ's user avatar
3 votes
1 answer
461 views

In Monero can you sweep a wallet if you *ONLY* have the private spend key?

Monero has 4 keys associated with each address: public view key public spend key private view key private spend key Can you sweep all coins from an address if you only have the private spend key?
Patoshi パトシ's user avatar
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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 ...
John Down's user avatar
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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 ...
jakob's user avatar
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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 ...
Patoshi パトシ's user avatar
2 votes
1 answer
1k views

Number of possible Monero wallets and seeds

How many possible unique Monero wallets and seeds exist? If the number of possible seeds is greater than the number of possible wallets, does that mean that more than one seed could control the spend ...
user36100's user avatar
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I have a private key for a monero address. Which application lets me load in a custom private key to spend from?

If I have a monero private key, how can I spend from it? Which program lets me import this key and spend from it?
Patoshi パトシ's user avatar
5 votes
1 answer
1k 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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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.
samwellj's user avatar
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Trying to migrate monero's from MyMonero to Cli wallet. MyMonero Offline because hardfork

Before I realized the difference between the 13 word mneumonic seed used by MyMonero.com, and a 25 word seed of a monero-wallet-cli, it was for me too late to obtain my address from MyMonero because ...
user1077's user avatar
6 votes
2 answers
91 views

Can I retroactively add the spendkey to a watch only wallet?

If yes, how can this be done? The reason being that I want to spend the balance, but I don't want to set the wallet up again and sync it as this takes a while. It's just a time saver I'm hoping for.
tficharmers's user avatar
5 votes
2 answers
1k 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 ...
ant Bldel's user avatar
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11 votes
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What are the "public" viewkeys and spendkeys?

If you create a paper wallet at www.moneroaddress.org or create a wallet with simplewallet, you are provided with private view and spend keys. If you create a paper wallet at https://xmr.llcoins.net/ ...
DoNotTransfer's user avatar
5 votes
1 answer
380 views

Is the entropy for the mnemonic seed and the private spend key exactly the same?

Since one is just another representation of the other, is the entropy for the mnemonic seed and the private spend key exactly the same? Are there any security benefits of using one over the other for ...
cooldude45's user avatar
1 vote
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How do you import a wallet from the private keys into simplewallet? [duplicate]

Is there a way you can import a wallet into simplewallet from the private spend key and private view key? I know you can import the view key to create a view wallet, but I can't see how to import the ...
Christopher King's user avatar
10 votes
1 answer
1k views

private spend key versus mnemonic seed

What is the difference between a private spend key and mnemonic seed? Can both be used to sign a transaction? Are there any things that I can derive from one but not the other?
J Dog's user avatar
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21 votes
3 answers
3k views

If I saved my view key and spend key can I recover my wallet if my mnemonic seed is lost?

I accidentally deleted by my wallet file and mnemonic seed. Can I recover my wallet with my view key and spend key? If yes, then how do I do so?
254123179's user avatar
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