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It's not a GA code because those are represented in base32 and according to the RFC the base32 alphabet does not include the character 8.
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The easiest way to add 2fa protection to your seed in electrum is to use the seed extension feature. On the seed re-entry step click on options and choose to extend the seed with custom words. Then in the following steps you will have the option to add your own password/passphrase as a seed extension. Your backup will then consist of the seed words that your right down and the seed extension that you memorize. Without both of those your wallet cannot be recovered.
Alternatively if you're comfortable with soft copy backups simply putting a password on your wallet (wallet menu > password) will encrypt it and then you can place a copy of that encrypted wallet file on a removable drive via file > save copy. Each co-signer will have to do this with their wallet file separately.
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The problem with this system is that if the signing node goes down you will lose your entire cold wallet. The cold wallets are not self contained. The decryption keys hosted by the signing node are required to spend from them. So you have to be careful to backup those keys as well. You have to make sure the signing node stays up. If it goes down you won't be able to transfer money from the cold wallet to the hot wallet until you get it up and running again.
Also this doesn't help you if the problem is with the hot wallet. If your hot wallet has been hacked then you want higher level employees/management to provide oversight of transfers from the cold wallet. The idea is that they might notice a leaky hot wallet while lower level employees might not. We've seen this problem in the past with Mt. Gox and bitfinex where they kept loading funds into the hot wallet that had been hacked.
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This looks like a Google Authenticator secret key which helps recovering your account in case you lost your phone.
I'm not sure any exchange from 2010 (If there were any) still exists today. Blockchain.info didn't come until 2011 so It's not it.
Base32 character set doesn't include 8: https://tools.ietf.org/html/rfc3548#section-5 |
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Regarding your seed words there are two possibilities: - One is that the seed was generated in an old version of electrum. Electrum pre 2.0 used a different wordlist that does include "shiny" in it. You can find those words here: https://github.com/spesmilo/electrum/blob/3.2.2/lib/old_mnemonic.py#L30- The other possibility is that you made a mistake writing down the seed words. You can refer to the seed words by going to wallet menu > seed. You can also fix any spelling mistakes by consulting the dictionary for current versions of electrum here: https://github.com/spesmilo/electrum/blob/3.2.2/lib/wordlist/english.txt . So instead of shiny try shine. Finally I'd like to point out that electrum never ever generates bip39 seeds so what third space is saying cannot be true. Current versions of Electrum do use the bip39 dictionary though but a different method of converting the mnemonic to the wallet's private keys. |
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The wallet that generates that xpub you posted above: xpub661MyMwAqRbcGQ6ZfyKW1nUpTt3g7Yem6brVwAmpMXUkvBnEEKCyJ1vHWiChSN8DMo7rfiyesYX g4tC43BvxNJkz5jwRKeNysVn3HFJCdxZ
This wallet ^ has your bitcoin cash. The easiest way to get them is to restore from seed using electron cash. So how about we concentrate on that? You said in post 20 that restoring from seed in electron cash fails. What happens exactly?
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Quote words are 100% correct. Even if they were wrong wouldn't the app's Next button in android enable but create a new wallet - not a copy of my Windows wallet?
Some combinations of the 24 words are not valid. I don't know the exact reason for this, but it happens.i believe that most of he combinations of words are invalid. Maybe someone with more knowledge can explain better.l why this happens. Go to iancoleman.io/bip39 and try some combinations. You will see that many are invalid. Make sure 100% the seed is correct and type it on your Android, it Should work.(you will lose a bit of security, as you are exposing your seed. But that's ok if not much funds). Hmmm... Interestingly icancoleman.io/bip39 says a couple of my words aren't on the valid list but I have a wallet using them on my windows machine created with Electrum. Is this possible? LOLOL what version of electrum do you have on windows? the version number should be in the window title bar and you can also get it via help menu > about. you should be able to restore from a valid seed on android. find out why the seed is not valid. in most cases you can find the seed words via wallet menu > seed in the PC version of electrum. a spelling mistake or incorrect order to the words may be one explanation. also note that electrum seeds are not bip39. since 2.0 they use the bip39 dictionary but are not bip39 seeds. also since you've revealed them to a website you should consider your wallet compromised. both the windows and android ones. create a new wallet via file new/restore on windows or tap the menu icon in the top right corner on android and choose wallets and then new. |
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you have to replace the wallet.dat before you download the chain because it's looking for unspent outputs related to your wallet as it downloads the chain. if you do it later you have to run rescan. also you only replace it after you've shutdown core. never replace the file while core is running. so i suggest shutting down core, replacing the file and then running core and seeing what happens. there's also a recover wallet command line option you can try if the wallet file is corrupted. see salvage wallet: https://en.bitcoin.it/wiki/Running_Bitcoin#Command-line_arguments |
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Naturally I have the private key for the BTC address.
Trying to solve that, I set up a BCH wallet (using BTC.com), converted the private key to WIF format, then tried to use the wallet's import / recovery feature with the WIF key.
The wallet does indeed recognize the WIF key as valid but returns "No positive balances were found".
What BTC wallet are you using? That is the originating wallet? WIF private keys contain information about whether the compressed address should be used or the uncompressed one. Most likely the problem is that you've encoded the WIF private key for the wrong type of address. So I suggest converting to the other type and importing that. FYI uncompressed private keys begin with 5 and compressed ones begin with L or K. You can convert between the two using bitaddress.org's wallet details tab (run offline). |
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Are you the posting police ?
You half answered my question. Nobody has answered the question fully IMO and it looks to me like a serious security hole.
If someone doesn't answer your question to your satisfaction you should follow up in the same thread instead of creating a new thread in an entirely different forum. It's not a security hole. You're making a mistake setting up the wallets. You said IF I setup my watch correctly with 2 xpubs THEN it will work correctly. Granted, that's correct and I did make a mistake there. But an attacker does not have to do that. They setup watch with 1 xpub , as I did, and then only required 1 sig to drain from both offline 2of2 multisig wallets ! What's the answer to that ? That's quite serious IMO
I set up the offline multisigs correctly, because it says 2of2 in each header and 2of2 of the default multisig in electrum. I apologise in advance if I have made a setup or assumption error, but I don't think so.
Maybe you've made an error in setting up the watch only wallet which is why signing with just one offline wallet is sufficient. I've explained what a watch only wallet with just one xpub means on stack exchange. Perhaps your watch only wallet corresponds to single sig addresses and not multisig ones or it isn't really a watch only wallet. You can view the addresses via view menu > show address and then switch to addresses tab. Compare them with the addresses on the offline multisig wallets. You can also search this tab using ctrl+f. Are the addresses the same? |
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How many places are you going to post this question? You posted it on reddit, stack exchange and now here. Yet you don't read any of the answers given to you. I suggest you read the answer I gave you on stack exchange again. You likely made a mistake setting up the watch only wallet. |
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bitcoin core relays blocks to other peers on the network. i don't see why this would be any different for a pool operator?
they didn't ignore it. they had to choose to extend one or the other.
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relayed by doesn't necessarily mean they mined it.
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Hi there. I checked it... but isn't when the transaction confirmed going to be the same time as what is shown in my electrum wallet? I saw this for a lot of them.
Well actually because many times i would want to send btc to another site... but i did not want to touch any btc in my wallet... thus imagine back then when btc wasn't much i would request 0.5 btc from a site. I then want to send that 0.5 btc to another site. That site would take a bit and then send me the 0.5 btc. I recalled when i looked at wallet, it would show that 0.5 btc added but not confirmed. If that is the case well i technically still received it at that time right? Because once it show like 0.5 btc received unconfirmed, its just you dont know how long it would take to confirm but you received it?
The transaction hasn't "cleared" until it is incorporated in the blockchain and a sufficient number of additional blocks have been added in front of the block with your transaction i.e. it has been sufficiently buried in the chain that no one can reverse the transaction in future. Confirmations are how we measure this. First confirmation means it's been included in a block. Second means an additional block with other transactions has been added to the chain in front of the one with your transaction. 3rd means one more block and so on. 6 confirmations is considered irreversible although electrum being an SPV wallet that bar has to be set higher. Maybe 20 confirmations. On average a block is added to the chain every 10 minutes so 6 confirms = 60 minutes on average. So depending on your risk appetite you may want to wait between 3 and 20 confirmations before you consider a transaction settled. 3 confirmations may suffice for small transactions. 20 for really large ones. You can spend unconfirmed coins. In electrum there is the option tools > preferences > transactions tab that let you spend unconfirmed coins. There is nothing preventing this. However your transaction will not confirm until the parent transaction where the source coins came from does. |
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Yes it's possible. If the sender didn't pay a good enough fee the transaction might have taken a long time to confirm.
Why don't you look up the transaction ID on a block explorer like blockchain.info to see when the transaction confirmed? You can find the tx id by right clicking on the transaction on the history tab and choosing to view details.
Why does the time of the transaction matter so much? If this is about tracking who sent you how much money the way to do that is to hand out different receive addresses to different people or organizations and make a note of it in your wallet out i.e. put a description on the receive tab and save it. This way you will know who sent you how much.
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The timestamp is from the blockchain i.e. when the transaction was first incorporated in a block which is also called the first confirmation. The timestamp is from the block header which is added by the miner and may be up to two hours off from the actual time. So basically it's not very accurate.
Also I suggest looking at the history tab for transaction status and not the receive tab. The receive tab is just for getting addresses and setting a description for them at the same time.
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Does it show up in your electrum wallet? If not then try looking up the transaction ID on blockchain.info to see what's up
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A few long shot options for you to try are given below: - Go to view menu > show console, switch to console tab and enter this to increase your receive address gap limit and generate more change addresses as well: wallet.change_gap_limit(200)
for thing in range(1,100): wallet.create_new_address(True)
wallet.synchronize()
- Failing the above try restoring the second HD account of your wallet. Go to file > new/restore, enter a unique filename and click next. Proceed to restore your wallet from seed as before with one change - a new derivation path of m/44'/0'/1' . Note the single quotes are not optional. Also you can always switch wallet files via file > open. |
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pending on the receive tab is meaningless. look at the history tab to see whether you received the money or not. also note that exchanges do withdrawals in batches so you may have to wait for the next batch to go out. just because it says processed or whatever on the site doesn't mean they've sent the coins out.
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It is a basic mistake they are making and puts doubt on their entire service.
Then you clearly don't get what's the big difference between ChipMixer and every other mixer, and why they may be more efficient on breaking the link between the source of the coins and the output (the chips). You know you can always ask the user to enter multiple addresses where the outputs will be sent? You don't have to resort to sharing private keys. And BTW you talk about breaking the link. What about breaking the link with chipmixer? As long as they know your private keys they can steal from you. Today, tomorrow or 3 years from now! |
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