-snip- and put it in rice ... yeah I know.
Oh no, that's our *Secret Asian Technique* to keep the moisture at bay :D But I believe he already contacted someone ( hopefully a trusted professional) to recover the drive as a response to LoyceV's suggestion.
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-snip- so lets say today i create a wallet using electrum and safely store the "seed phrase", and lets say after 15 years if i reinstall the then latest eletrum and create new wallet using my current seed phrase, i will be able to access my coins.
It's hard to give a safe answer to that since 15 years is too long to speculate, but: So far, Electrum is doing a great job with its " backwards compatibility" after these years. Versions before the new seed version system ( Electrum <2.0 - older than Oct 2015~2012) can still be imported to today's latest version ( v4.1.5) and can restore exactly the same wallet. With exception to the oldest releases ( v0.34 & older) with patched bugs and changes in the key derivation system.
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4) my understanding is that if the BTC core wallet has "HD" in the bottom right, i don't need to dump the private keys, as the backup/wallet.dat file will have all that info. is this correct or do i need to make a physical backup of every private key as well. Yes, the backup of the wallet files are enough but make sure that the backups are made after you've encrypted the wallet files. That's because it'll generate a new " hdseed" after encrypting the wallet, making the old backups obsolete. 2) I have actually created a backup file already, but the backup file that is created does not seem be a .dat file. when i save it to a USB stick or DVR and look at the file on a windows computer the file type says "21 file". is that correct or is the back up more than just the .dat which would be contained in the overall backup file?
Windows has an option to hide/show the file extension but since it says " Type: 21 file", it means that the extension isn't " .dat" which shouldn't be the case with " File->Backup Wallet". You can display the extension in Windows in the 'file explorer' menu " View->File Name Extensions". however, i suppose that is how i need to do it to make absolutely sure i have the right file/files. If i have two wallets created/set up, will each wallet have its own wallet.dat file? if so, how do i tell them apart? sorry, i know these are likely very basic questions.
Yes, 1 wallet = 1 backup with " .dat" extension. You can set a name when you use " File->Backup wallet" but make sure that the correct wallet is selected in the " Wallet:" drop-down menu at the right, you can also set a wallet name during wallet creation ( in the later versions). IMO, naming those differently is enough to tell them apart from each other.
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When I create a new wallet using the seed phrase using BIP39 the wallet just comes up empty How about the other two options? If all are empty, then there's really an error in your backup. Recovering the wallet file from the laptop is your best option which has a great chance, as long as the " tea" hadn't penetrated the HDD/SSD.
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I don't currently have access to the old file, it was just on the laptop that got tea spilled on it! I can try and get it recovered... but it doesn't look good. The situation seems hopeless though... is there anyway of contacting Electrum for help with this?... I mean their website just brings me to this forum anyways.
Electrum developers wont be able to " directly" help you in recovering your seed phrase since it isn't stored to any server. You'll likely get the same advice as these. Have you tried to restore the seed phrase with BIP39 option enabled? That will enable you to click " next", then select one of the options ( start with the middle). Users usually use that to create Electrum wallet with P2WPKH-P2SH ( P2SH-SegWit) addresses.
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It will only be unclickable if the seed isn't correct. Try to replace some words with similar ones from the wordlist that could be mistyped when recording the backup. Some of them are similar. An easy way to do this is to type the first three characters of the word during the restore process in Electrum and check the possible words from the selection.
You can also try to restore it with "BIP39 seed" enabled in the option and make three different wallets, each with one of the three available derivation paths.
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After doing a ton of research to really understand what was happening, -snip-
You can add these links to your research, the latter may be the answer to the former:
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-snip- Do you know if Electrum ONLY accepts MASTER private keys (instead of only private keys) right now?
It depends on the type of Electrum wallet where you're importing private keys. If you're importing to an existing wallet, you'll only be able to import to an " [Imported]" wallet, any other wallet will only have " sweep". If into a new wallet, the " import bitcoin addresses or private keys" option in the new wallet wizard should work for private keys.
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-snip- I want to remove 2FA code and the staff told me come here to sign message. But I don’t now how to do
The instructions are in the first page - first post. If your wallet is not in the list, try to find a similar feature in your wallet, usually, it's named as " sign message". If there's none, you can import the private key of the address to one of the wallets in the OP with " sign message" and " import private key" feature. Then sign a message using it.
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Hello all Is it a mistake to say that BTC mining generates new coins? -snip-
Don't think of bitcoins as "coins". They're not, they're the results of inputs and outputs. The bitcoins you see in your wallet are the unspent outputs of previous inputs. Mined coins are truly new. They have no inputs. On the contrary, some clients are referring " Unspent Transaction Outputs" as " Coins". Example: Electrum has the wallet's available UTXO in the GUI displayed as " Coins" tab ( View->Show Coins). I think it's fine as a non-technical term for UTXO.
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private: fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141 0x3f17f1962B36e491b30A40b2405849e597Ba5FB5 private: fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364142 0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf private: fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364143 0x2B5AD5c4795c026514f8317c7a215E218DcCD6cF private: fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd036414f https://www.blockchain.com/ru/eth/address/0x5A83529ff76Ac5723A87008c4D9B436AD4CA7d28I don't know if you're being sarcastic to the OP because it's related... so sorry in advance if yes: Your keys are also outside of the curve, three out of four in your list are spent because those are within the first valid private keys from 0x01 which can easily be " hacked": - 0000000000000000000000000000000000000000000000000000000000000000 - 0x3f17f1962B36e491b30A40b2405849e597Ba5FB5 (unspent - invalid prvKey)
- 0000000000000000000000000000000000000000000000000000000000000001 - 0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf (spent)
- 0000000000000000000000000000000000000000000000000000000000000002 - 0x2B5AD5c4795c026514f8317c7a215E218DcCD6cF (spent)
- 000000000000000000000000000000000000000000000000000000000000000e - 0x5A83529ff76Ac5723A87008c4D9B436AD4CA7d28 (spent)
All but 0x3f17f1962B36e491b30A40b2405849e597Ba5FB5 have a valid prvKey so those are spent.
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What has happened with the swap feature? My channel's capacity has 0.049 tBTC, but I cannot receive anything. I'm trying to swap the lightning funds with on-chain funds to increase my receiving capacity, but it only allows me up to 0.002. -snip- Is this a bug? Is there any other way I can increase my receiving capacity in Electrum?
I think it's because the swap service provider ( swap server) can only accept 0.002tBTC per swap: BTW, Boltz have a testnet swap but unfortunately, I haven't successfully sent lightning tBTC to it yet using channel connected to " endurance" ( Electrum 'trampoline' channel for testnet).
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No ,I don't remember the password ,and I didn't make back up file By the way, I have access to my wallet ,I have forgotten withdraw password,isn't bruteforce for the wallet password??
With that, even Dave wont accept the job; You can try to bruteforce it yourself but I'll tell you that the odds of getting the correct password with random/sequential characters is extremely low even if you have a super computer. It's important that you at least know some possible words/characters in the password. Important Note: please do not entertain any PMs that offering " help" who'll ask for your wallet.dat file, there are lots of scammers doing that. Stop buying wallet.dat files!
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-snip- How did you implemented "lightning network" in your store by the way?
Congratulations on getting your customers to use Bitcoin. People love to merit such posts but pictures of the said LN PoS would be great. Because God, that is pretty damn fast. Where is your store located exactly? -snip-Uhhhh... Why are you asking me? OP haven't responded with detailed information in any of his topics ( I take it with a grain of salt), that's why I asked. BTW, not only the speed, he's accepting Lightning Funds so, his channels should have enormous amount of inbound capacity which isn't easy to accomplish. If he responded, an answer that " connects" will clear any qualms about his story.
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Do you have any idea of what the password might be? If no, forget it, it's not possible to " bruteforce" it with random characters or words unless it only consists of very small number of characters. If yes, and you don't have the resources to bruteforce like GPU or a fast CPU, you should consider contacting Dave:
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Tails supports printer, you can print the QR code if it's for someone near you. Alternatively, you can take a picture of the invoice/address's QR using your phone's camera. If showing the QR code is the actual issue: you can display it using the small " QR icon" beside the " copy icon".
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I found a key which begins with a 1 on my old computer (2013) in a text document and I have been unable to work out the process from here to get to the bitcoin if it exists.
How many characters is that presumed private key? As said above, " Wallet Import Format" ( WIF) Private keys which what Electrum supports doesn't start with '1'. It could be a ECDSA Private key depending on the number of characters, that only requires some formatting. But do not share it to anyone including me.
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That's good, for you and the community. Also, that was exceptionally fast, only took about 5 hours after you've asked the question in 'Beginners and Help' board, about 4 hours after the first reply. How did you implemented " lightning network" in your store by the way?
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From what article is it? ( I mean, the quoted part of your previous post) Google search with the quote only returns with article for " Trading" and it may be talking about cryptocurrency in general, not Bitcoin specifically. Read these instead of random internet articles:
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Hello all Is it a mistake to say that BTC mining generates new coins? Would it be more correct to say that new coins come into circulation, because the total was already defined previously and they were in reserve? And if so, where is that reserve?
It is fine to say that. New coins aren't pre-generated or reserved, Bitcoin isn't like tokens with defined total amount. Bitcoin's 21million supply isn't because there's already 21m bitcoins in reserve ( it's not a hard-cap either). But it's based from the calculated " block rewards" from the first block, to successive " halving" until it reach 0. github.com/bitcoin/bitcoin/blob/master/src/validation.cpp#L1068-L1078<Link edited to highlight the correct lines>
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