Hi,
my english is not so good but i hope u understand what the issue is.
i installed electrum the 1st time and got "default wallet" no password entered or something else.. i sweeped some money on that wallet and would send it out to another client.. now he asked me for a password (which i dont have) also for saving the seed.. is there a default password? or what can i do?
thx for ur help
regards
Please answer these questions: where did you download electrum from? what version of electrum are you using? what does it say in the electrum window title bar? when you installed electrum did you go through a wallet creation process? did it ask you to select a wallet type, show you the seed and then ask you to enter a password (which I understand you left blank)? Did all that happen? |
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Maybe there is a typo or other spelling mistake. Please check it again.
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bitcoin_buddy I suggest you take a look at your default_wallet aka wallet A file using a text editor like notepad. See how may xprvs are listed in there. If there are two or more then you don't need any other wallet. An example is given here: http://paste.ubuntu.com/23745557/Do let us know how many xprvs you find. Don't post the xprvs since they are supposed to stay secret. Just let us know how many you find in your wallet. The location of your wallet is given below: http://docs.electrum.org/en/latest/faq.html#where-is-my-wallet-file-locatedAlso post which version of electrum you are using. |
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kolloh is right. you need the 2fa code or the seed. it seems you have neither of those.
In order to help you I created a 2fa wallet to learn more about the process. I found out that you have to share an email address with trusted coin when creating a wallet. Maybe trusted coin can help you if you contact them using the email address you originally gave them when creating your wallet? It's worth a try.
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Okay, so from what I managed to find on forums, if I had my seed I could basically open a new wallet with it and all of my funds would automatically be transferred there thus avoiding the 2FA problem.
However, I can't seem to get the "Seed" button to be clickable in Electrum. I decrypted the account by leaving the field "New Password" blank, but the button is still gray and unclickable.
edit: uninstalling electrum does not delete your wallet. when you reinstalled electrum it picked up your old wallet and showed it to you. then you received money to that wallet but now you can't spend it because its a 2fa wallet and you don't have the 2fa code for it anymore. the reason the seed button is grayed out is probably because 2fa wallets don't store the full seed. what does it say in the window title? |
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I thought you said wallet A and default_wallet were one and the same? Please correct post #4 in this thread.
What does it say in the window title when you open default_wallet ? For example in a multisig wallet I created it says 2 of 3 multisig.
Also FYI you don't have to use the cosigning pool feature. You can save the unsigned or partially signed transaction as a file on your hard drive and then open it up in the cosigning wallet to sign it. The option to save is there on the sending tab. To open a tx file in a cosigning wallet use tools > load transaction > from file.
But looking at default_wallet I see that it has 2 cosigners neither of which are present in the other wallets. I'm referring to the below to MPKs
(cosigner)1:xpub661MyMwAqRbcF5sxnpi6vHnTnmYi31YrVWdXF3WH8jaTcUb41hhGMmTc8jmTzTXTSawe99D6fLx cwget3J9D9fSXTb7LbSqvtUdPjJrHWzr
(cosigner)2:xpub661MyMwAqRbcF1Ns3Z6ceAaf48ZbxMay1YFQ6cAGY5GRHSC9yvUSkrmdnrdU5KtzdD1eRGUFfuz 8hVSW3RcA5rYqKXQZRZZbqjX3UbMAYq7
You need access to the wallets with the master private keys corresponding to the above master public keys.
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How can I create a new address in Electrum wallets? By default, the addresses are defined in the wallet. Can not I create new addresses myself?
Electrum will automatically keep making new addresses as you start using your wallet. So don't worry. Just go with the flow. If you want more than 20 addresses showing in your wallet then open the "console" tab and type the commands below into it. Press your enter key after writing each line. wallet.storage.put('gap_limit', 50) wallet.storage.write() wallet.change_gap_limit(50) The above is better because wallet.storage.put doesn't do input validation. You could put a letter in there and it would set the gap limit to some absurdly high number like 2 billion. |
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Is this really the case? and how do you "correctly use" Electrum seeds? because you made a "if used correctly" remark.
Coming up with the string on your own rather than having the software do it or storing it only in your memory. I think you mean using the software generated one and not coming up with a string on your own. Just saying that your answer is not clear and might confuse newbies. Besides, since electrum v2.x you* can't make your own seed coz it has to have a checksum in it. You have to rely on the software. * i mean lay people. |
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How can I create a new address in Electrum wallets? By default, the addresses are defined in the wallet. Can not I create new addresses myself?
Electrum will automatically keep making new addresses as you start using your wallet. So don't worry. Just go with the flow. |
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I copied the file into electrum wallet directory ( C:\Users\XXXX\AppData\Roaming\Electrum\wallets ) but, the program doesn't starts
Delete the blockchain_headers and config file found here: C:\Users\XXXX\AppData\Roaming\Electrum\ Start electrum. If it doesn's start then take a look at your default_wallet file using a text editor like notepad. Can you see human readable text? It should look something like this: {
"addr_history": {
"31jzSRFoE43phdCxRX2YzTi7gYQ87v5ua6": [],
"32Q6jqBd7grFGW2wkW1xBL1JHgukyHDEkk": [],
"3Prxq8Qas7oJVnrFRBHxeoAzaB99hd9U6y": []
},
"pruned_txo": {},
"pubkeys": {
The above is just an example. Your addresses most likely start with 1. The point being that it should be readable text. Do you see something like this? |
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More generally speaking, what is the “starting point “ (or event ) for electrum to generate the seeds and wallets ? the clock of the phone or PC ? chance? anything else ?
The seeds are generated from random numbers. Astronomically large random numbers derived from entropy collected by the operating system (not the time or anything predictable like that). There is no way to predict what number was used and no way to recreate it unless you saved the seed. The seed is the random number in a human friendly format. However if you are asking why electrum would choose to create a new wallet then the answer is that it finds there is no wallet in the data directory and you haven't specified one in the command line via the -w switch to it begins the process of creating a wallet for you. The location of the data directory is given here. You can also create additional wallets using the file menu > new/restore option and open them using file > open. |
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As a follow-up question, what's the use case then for the "Enter cosigner seed" option?
Say you have a 2 of 3 wallet with 1 key on your PC, one backup key you store offline and one on another device. If you lose your other device and you wish to recover your wallet you can enter the seed on your PC + the backup seed you've stored offline. |
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backup the seed by writing it down on a piece of paper. then upgrade to the latest version of electrum. it may be that the bug you have encountered has already been fixed.
if the above doesn't work then I suggest restoring your wallet via the seed. Use file > new/restore to begin the process.
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OK, well assuming that I did enter a password but didn't record it anywhere (and have no idea of what it might be), would that mean that the only solution would be to try to brute force it? ? Not looking good is it?
Yep but that only works if you have some idea what the password might be. So first try to recall what the password might have been. There have been many discussions on this forum about bruteforcing passwords. I suggest searching the electrum section here. |
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How do I choose a backup method?
1. Private keys: I create a private key for each address using "Wallet> Private keys> Export". Using these private keys I can transfer my address to another wallet. You would probably omit private keys along the way. This does not ensure that you also backup your future private keys. You can export your xpriv (master private key) and that will allow you to generate all the addresses. 2. Wallet seed words: In this method, I can reach all my addresses and information with 12 wallet words.
This should be your primary backup method. 3. Wallet backup file: This is another method. I can create wallet information by uploading from Backup file.
Which is the most accurate method?
This method backs up your entire folder. You will be able to cover all the labels and invoices saved on your Electrum client. It isn't much of a security risk if you secure it well with an encryption on top of the encryption on your wallet. This makes it secure as long as you use different passwords for both of the encryption. For windows, the directory you are looking to backup is %appdata%/Electrum. Regarding 3, you are not supposed to backup the entire data directory. Open your wallet in electrum and then use the file menu > save copy option to backup your wallet file. That's all you need. |
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You definitely set a password. Otherwise your seed would not be encrypted.
When setting a password you are supposed to enter it twice. How could you not remember doing that? Did you enter some sort of dummy password because you were in a hurry? Like 123 or something?
You didn't note down the seed and you entered a password that you can't remember. This is all very irresponsible.
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Abdussamad,
there is an option to see the seed, but i can't see it since my electrum.dat wallet that contains my old btc is a corrupted file.I have tried to put a password but it didn't work also.
do i need to find a way to read my old electrum.dat file with an other tool than emacs ?
I honestly don't know what you can do with that corrupt file. Have you considered using a professional data recovery service? I don't know what else to suggest. |
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look up the tx id on a block explorer like blockchain.info. if it's listed there then some mining pools are still carrying that in their memory and it might yet confirm. you can get the tx id by right clicking on the tx in the history tab and selecting details.
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do you have a copy of the wallet file?
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