50
votes
Is there a 'BTC Refund Department'?
I have been scammed 6 months ago
Then criminals expect you to be gullible and foolish. You are a prime target for them. So they'll try new ways to trick you.
BTC REFUND DEPARTMENT
No such thing.
...
25
votes
Wallet gone and lost recovery phrase, how to get back my bitcoins?
Your bitcoins are lost forever, unless you have the key. Let this be a lesson learned to always write down your keys on paper.
There are no ways to recover your bitcoins without the key.
16
votes
opening an old wallet.dat
I recently recovered an old wallet.dat file using pywalley.py and Electrum, which allowed me to read the wallet and sweep the coins to a new Electrum wallet.
Steps:
Get the jackjack pywallet https://...
13
votes
Lost my Bitcoin wallet and have only 11 out of 12 mnemonic seed phrase words. How can I get my Bitcoins?
If you are missing the first word and you know the rest of the 11 words, there are 2048 possible mnemonics but only ~128 of them are valid.
Using Python and this library you can print all the valid ...
11
votes
How can I find a Bitcoin private key that I saved in a text file?
If you're programming savvy you could write a small program that searches for the regular expression of a Bitcoin private key. Bitcoin private keys have a very specific format:
They are 51 keys long, ...
11
votes
Accepted
In a multisig wallet setup what needs to be backed up and why?
Ben Kaufman answered this on Twitter.
The main caveat in a multisig wallet is that, while you need only a threshold of devices (ie. 2 of 3, 3 of 5, etc.) to sign a transaction, losing access to even a ...
10
votes
Accepted
Is the Electrum seed compatible with other wallets?
There are different "backup-standards".
Some use BIP39 (mnemonic) which lacks a flexible wordlist and versioning. It's used by KeepKey, Ledger, Trezor, Bitpay/Copay, etc.
Electrum uses a ...
9
votes
Wallet gone and lost recovery phrase, how to get back my bitcoins?
You need your 12 words to get it back. Just that. There is no other way. No bank, no insurance company and no helpdesk that you can turn to. No person or computer in the world is able to recover the ...
9
votes
Wallet gone and lost recovery phrase, how to get back my bitcoins?
Depending on what kind of phone you have and depending on what program you used to store your words, you may be able to find a copy of the data on Google Drive (Android default), OneDrive (Microsoft ...
9
votes
Why do people go looking for old hardware that has a wallet?
Are you talking about the people who mined or bought bitcoins in 2009 - 2011 and are surprised that the price is that high now?
HD-wallets (wallets with such a recovery phrase, it's called seed) are ...
9
votes
Can I recover btc sent to an incorrect address? (electrum)
Can I recover btc sent to an incorrect address?
Confirmed Bitcoin transactions cannot be cancelled, reversed, undone or recovered.
The only person who can give you your money back is the recipient, ...
7
votes
Is it not possible to have password reset feature in Bitcoin Core Wallet?
Because it could be used by anyone with access to your device. You may as well have no passphrase and leave the wallet completely unprotected.
Businesses can offer a password reset for an account ...
7
votes
What is the controversy with Ledger's new recovery service?
Christopher Allen answered the question on Twitter.
In large part because we didn't expect seeds to ever leave the Ledger device. As it turns out (as all hardware wallet designers already know), all ...
7
votes
What is the controversy with Ledger's new recovery service?
Ledger Wallet users are concerned if their keys are actually cold and secure after the latest "feature" release and several tweets that have later been deleted by Ledger.
The answer to ...
6
votes
Accepted
How to generate recovery phrase from private key
A short working example is worth a 1000 words.
% echo -n "This is a VERY pooor low entropy brain wallet" | bx base16-encode | bx sha256 | cut -c 1-32 | bx mnemonic-new
health boil host ostrich fire ...
6
votes
Accepted
Can I "duplicate" a wallet using a backup phrase (12 words)?
Can I “duplicate” a wallet using a backup phrase (12 words)?
Yes
Where is my balance stored?
Both wallets will scan the relevant parts of the public transaction-journal ("blockchain") to ...
6
votes
I have lost my wallet, what can I do?
I had an account on a website, but don't remember which one
Search your email account for an account creation confirmation email. Helpful search terms may include "bitcoin", "wallet&...
5
votes
I've deleted my wallet and never backed up my files. How can I recover my coins?
First, don't panic!
Second, make an image backup of the wiped drive to a physically different drive.
Third, you maybe able to recover the deleted files with tools such as magic rescue so long as the ...
5
votes
Accepted
Bitcoin Cash accidentally sent to Bitcoin address. Can I get them back?
In my case I sent the Bitcoin Cash to an address created by a Mobile Bitcoin (!) wallet from btc.com.
The support from btc.com told me the solution:
B) You have sent BCC to your BTC wallet:
1. ...
5
votes
How to generate recovery phrase from private key
Firstly, it is highly recommended not to use a brainwallet, your coins will be stolen.
But in general, if you have a private key, there is no way to obtain the 12 word recovery phrase from it. That ...
5
votes
Recover Bitcoin From Transaction ID
All of the information in the screenshot is publicly available.
And no, they won't be useful for recovering your Bitcoin.
If you used Electrum, you either need the wallet, the recovery phrase(seeds) ...
5
votes
I formated my hard drive with bitcoin core on it
Addresses are not magically tied to the hardware you use. If you delete the file that contains the private keys for your addresses, you will lose them and thus lose access to your Bitcoin.
Since it ...
5
votes
Can a BIP39 12-word mnemonic be used to restore a wallet through bitcoin-cli?
Bitcoin Core does not currently support BIP 39 mnemonics nor the size of the BIP 32 seed produced by a BIP 39 mnemonic. BIP 39 produces 512 bit seeds, but Bitcoin Core currently only supports ...
5
votes
Accepted
are checksums included in mnemonic seed phrases?
I am assuming that you are talking about BIP 39 here.
A BIP 39 mnemonic can have any number of words with the most common being 12, 18, and 24 words. There is a checksum encoded into this mnemonic. ...
5
votes
Accepted
How to recover funds from a force-closed Lnd lightning channel?
In c-lightning the per commitment point is derived from the hsm_secret using per_commit_point from:
The node id / public key (can be found with listfunds, until the channel is purged some time after ...
5
votes
How can I recover the missing end of my private key?
TL;DR:
You don't need to bruteforce anything here (at least almost), and can recover the missing last 7 characters on an average PC at home within less than 1 second using a simple Python script!
In ...
5
votes
is there such a thing as a wallet frozen due to fraud. Can funds held in such a wallet be returned to the original owner
It's a scam. The upfront 2% fee is a red flag and just the start, if you fall for that, they'll find other fees and charges you need to pay.
4
votes
I'm trying to find out if I invested in bitcoin years ago, how can I find my bitcoin?
If you purchased bitcoin in the past, there are likely only two ways you were storing it.
First, you may have been storing it on some web wallet, where the keys to use the bitcoin are managed for you....
4
votes
Accepted
Would I be able to recover coins if Trezor went out of business?
Yes. Trezor uses BIP39 and is compatible with any other wallet that would. You can in fact import your seed into electrum, though this to some extent defeats the purpose of having a hardware wallet.
4
votes
Bitcoin Cash accidentally sent to Bitcoin address. Can I get them back?
Bitcoin and Bitcoin Cash use the same address format. This means that if you take the key from your Bitcoin Core client, and import it to your Bitcoin Cash client, the Bitcoin Cash client will be able ...
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