31 votes
Accepted

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

Yes, it is possible to restore your account with just the view and spend keys. monero-wallet-cli has the --generate-from-keys <name> option, which will create a wallet with the given name, and ...
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  • 34.6k
22 votes
Accepted

How do I use my MyMonero wallet via the Monero Core GUI?

The MyMonero wallets use a different type of mnemonic: 13 words instead of 25 words. The Monero Core GUI (or the CLI) doesn't support restoring a wallet from a 13 word mnemonic seed. Therefore, you'll ...
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  • 4,489
15 votes

What are some ways I can disguise my mnemonic seed?

From fluffyponyza here: Due to the nature of the key you can write it as part of something else - eg. write a fake love letter to your wife so that the 24 words on the left hand side are your key ...
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15 votes

How to restore a Monero wallet from Private Keys

Importing a wallet from MyMonero into monero-wallet-gui is easy. Follow these Steps: Go to mymonero.com, access your account and navigate to Account Details. it will look like this: Open Monero-...
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  • 1,476
13 votes
Accepted

Error restoring from .keys file

Your Monero is safe. There was a load-from-keys bug with v0.8.8.6 Download the current Monero release or build from source and you will be able to recover using your .keys file and password After ...
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11 votes

My dog ate the USB key with 10000 monero wallet. Are they lost forever?

When you create a new wallet, the software gives you a "mnemonic seed". It's a list of words that can be used to regenerate your wallet file and rescan the block chain to find your transactions. By ...
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  • 3,304
9 votes
Accepted

Does publishing view key and key images give the auditor the information on where I sent the funds?

If the auditor wanted to confirm you had sent funds to a specific address, they'll then need to have the view key of that address also. The only thing the view key of your address can determine which ...
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9 votes

Is there a risk that cold storage wallets containing non RingCT outputs will be unspendable in the future?

Despite the hard fork in March, 2016, setting a minimum mixin and effectively banning dust outputs (except as part of the coinbase, which is further going to change in the September, 2016, hard fork) ...
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  • 5,079
9 votes
Accepted

Is there a risk that cold storage wallets containing non RingCT outputs will be unspendable in the future?

Theres no need to move arround your funds after any fork, even with updates like min mixing and the future RingCT the transactions will allways be compatible with the old ones
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9 votes
Accepted

My dog ate the USB key with 10000 monero wallet. Are they lost forever?

A Monero wallet can be recovered in a few ways: Recovering from the mnemonic seed that you should have written down when you made the wallet. See more instructions here. Recovering from the view key ...
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  • 8,704
9 votes
Accepted

What data do the wallet files contain?

What is stored inside them? Does the wallet store the public and private keys and nothing else? Or does it contain the list of transactions related to the wallet as well and their location on the ...
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  • 19.8k
8 votes

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

You can recover the wallet with this simplewallet command: --generate-from-keys
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  • 6,533
8 votes
Accepted

If I use the trezor beta and something goes wrong, can I recover my coins with the seed?

Yes, you can always recover your money with the 24 word seed. If your Trezor somehow gets broken, you can get a new one and import the "old" 24 word seed into the new one. Alternatively, if the ...
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  • 14.9k
7 votes

How are monero wallets generated?

There's a really nice description and address generation tool here: https://xmr.llcoins.net/addresstests.html I believe that site is owned and maintained by core dev person luigi1111. Long quote ...
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  • 4,373
7 votes

What are some ways I can disguise my mnemonic seed?

https://xmr.llcoins.net/ has some ways to add security measures to a mnemonic seed. This means even at attacker thinks they found your seed, they need to try and break the additional security. ...
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  • 3,120
7 votes
Accepted

What are some ways I can disguise my mnemonic seed?

You can do various things. Only the words' prefix matters (3 letter prefix for English, 4 letter prefix for all other languages I think), so you can modify the words (ie, if your seed has "marble", ...
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  • 34.6k
7 votes
Accepted

Why does md5sum of .keys file change with each restore from mnemonic seed?

The encryption used by the keys file is randomized. It uses a key derived from your password, and an IV (initialization vector) which is randomly selected. This is designed to prevent an adversary ...
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  • 34.6k
7 votes
Accepted

Is it safe to make backup of wallet? If so, is there a reference procedure somewhere?

You can use any of those methods: backup the mnemonic seed, a 25 word list of words that encode your private keys. This is the simplest way, and you can then restore your wallet with monero-wallet-...
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  • 34.6k
6 votes

Simplewallet shows zero balance after recovering XMR paper wallet (using Mac)

You will probably need to rescan the blockchain, this can be done with the command rescan_bc It will take a while, also make sure you have a node running that simplewallet can talk to to do the ...
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6 votes

Simplewallet shows zero balance after recovering XMR paper wallet (using Mac)

After you use --restore-deterministic-wallet and the address loads correctly, type "refresh".
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6 votes

Why does md5sum of .keys file change with each restore from mnemonic seed?

The wallet.keys file has the date embedded so the md5sum will change every time you restore with --restore-deterministic-wallet Yes your wallet is deterministic. The new md5sum is no cause for ...
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  • 4,546
6 votes

What are some ways I can disguise my mnemonic seed?

You could come up with your own mapping of mnemonic seed words, so that a seed word maps to a custom seed word that you've chosen. The mapping can be the first 25 words of your favorite book, a letter,...
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  • 2,471
6 votes

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

I tested simplewallet’s --generate-from-json option, using only the spendkey and the viewkey, and as expected, it worked. However, from Luigi's address test page, I learnt that the "Private View Key" ...
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  • 4,489
5 votes

Error restoring from .keys file

Remove (or rename) the file "wallet". It's a cache file that will be recreated, and tends to become corrupt. It will be made into an actual database at some point, to avoid these problems. Note that ...
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  • 34.6k
5 votes

What are some ways I can disguise my mnemonic seed?

Using Shamir's Secret Sharing Scheme (SSSS) is probably a good alternative, if you want to hide the keys. http://point-at-infinity.org/ssss/ Nearly all Linux distributions have the SSSS package, on ...
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5 votes
Accepted

How are monero wallets generated?

You need the dictionary, yes. Each word is a representation of a number, and that number is the index of the word in the dictionary. Each triplet of words maps (via their indices in the dictionary) to ...
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  • 34.6k
5 votes

Does publishing view key and key images give the auditor the information on where I sent the funds?

It is impossible to calculate what the address is that corresponds to a given one-time address (there are actually multiple possibility). It is possible to check if a transaction corresponds to a ...
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  • 3,120
5 votes

converting view-only wallet to spend wallet

You do the same, except using monero-wallet-cli --generate-from-keys, which will use the spend key in addition to the view key. You will be prompted for the information when you run this. See a ...
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  • 34.6k
5 votes
Accepted

How to send monero from my cold storage?

The currently easiest way is to restore your seed using the CLI wallet, spend what you want to spend and immediately send the remainder to a newly created cold storage. See here for some more ...
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  • 19.8k
5 votes
Accepted

Can I restore my wallet with the mnemonic seed even if the seed words are changed in the future?

Yes, you can always use a historical wallet that matches the wallet from the time you created your seed. You would then need to determine what the new wallet expects. Because the seeds are depended on ...
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  • 1,257

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