Questions tagged [private-key-import]

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15
votes
5answers
24k views

How can I transfer a Bitcoin-qt wallet to Electrum?

I am switching from bitcoin-qt to Electrum, and it seems as if I will need to download the blockchain again. Can I copy and paste my wallet.dat into Electrum's files?
14
votes
2answers
9k views

Why so many warnings about importing private keys?

Blockchain.info and other products make you read dire (but vague) warnings that "you must be an expert" before you can import private keys. What's that all about?
14
votes
2answers
12k views

Why doc says importing private keys is so dangerous?

There are a lot of applications when someone would like to import a private key. However in wiki documentation they say it is very dangerous: https://en.bitcoin.it/wiki/How_to_import_private_keys ...
11
votes
5answers
14k views

How can you extract private keys from MultiBit HD?

It was possible in MultiBit Classic, but I can't find it in MultiBit HD.
9
votes
2answers
32k views

How do I get my public address in Bitcoin Core?

In a world of pain at the moment. I downloaded Bitcoin Core, and before I realised I'd need the complete downloaded Blockchain, my friend transferred some coins to my address. I did some research ...
9
votes
2answers
600 views

How can importprivkey compromise wallet security when importing a publicly known private key?

A question was asked on reddit over here which I gave a reply: https://www.reddit.com/r/Bitcoin/comments/3khrvm/how_do_i_use_private_keys_to_receive_bitcoin/ However, luke-jr replies with: Don't ...
6
votes
3answers
2k views

Importing private keys creates different address

How does importing private keys work? I have previously imported the private key for a 1Archive... address into Bitcoin Core and noted then it added an address like 1AXbRq... and I didn't follow it ...
5
votes
4answers
9k views

Cheapest way to switch from Exodus wallet to something else

A few months back I moved my Bitcoins and Ether to Exodus. I've now decided, as pretty as it may be, the high transaction charges and no way of changing them mean I want to switch wallets. There are ...
5
votes
2answers
8k views

how to import private key without scaning QR code

I bought Bitcoins from the ATM and it gave me a receipt with a QR code. and now after one year i wanted to scan it into my wallet, but ink on paper faded and it can`t be scaned..... so im wondering if ...
4
votes
3answers
7k views

How to import a HD wallet from an extended private key

I'd like to export a derived private key from my Electrum HD wallet, and use it as a HD wallet master key in a Mycelium wallet. I used bx to get the key like this (m/2'/0) (where m is the unencrypted ...
4
votes
1answer
498 views

How to migrate wallet from namecoin to namecore?

Today I updated namecoin by building the new "namecore" reimplementation but when starting namecoind I got this message: Error opening block database. Do you want to rebuild the block database now? ...
3
votes
1answer
2k views

How can I generate a Dogecoin address from a Litecoin private key?

I'd like to do the following: I use dumpprivkey to get the private key from Litecoin wallet. I import this private key into Dogecoin wallet Which will generate a new Dogecoin address. Both will share ...
3
votes
1answer
5k views

Found my multibit.key file, what now?

I used BitCoin for the 1st and final time so far about 2-3 years ago. I thought I had lost my wallet but I found an old backup of my hard drive and it contains a file "multibit.key". I installed a ...
3
votes
1answer
108 views

What's relationship to each address other in Bitcoin Core?

I just made two and more address in Bitcoin Core wallet. Is there any relationship to each address? Like based on seedphase? or Just literally making 'random' address? If so, an attacker can hack ...
3
votes
2answers
1k views

Same seed from Electrum but generate different Bitcoin addresses

I am using Electrum 3.2.2, I have the wallet file generated from Electrum and a password to decrypt the file. There is an error whenever I am trying to send Bitcoin out of that wallet, so I decide to ...
2
votes
2answers
114 views

What should I do if I change my BitCoin wallet?

At present, I use Electrum as my wallet, and I create private key and transfer some bitcoin to the Electrum wallet. If I choose a new wallet such as BitGo wallet listed on https://bitcoin.org/en/...
2
votes
1answer
752 views

I need to import a private key - what is the entire process? [Electrum]

I need to import a private key like in this question for a p2wpkh-p2sh address. What is the entire process?
2
votes
1answer
2k views

To get the master private key of HD wallet

How can I get the master private key of HD wallet bitcoin core satoshi client 0.14.2? Any command for that on bitcoin core console? Currently I am on Testnet3.
2
votes
2answers
2k views

How can I import an existing Blockchain.info wallet to bitcoin-cli?

I manage several accounts which I created via Blockchain.info for my webapp. I'm migrating to bitcoin-cli instead of using their API due to the high amount of calls I have to make. I'm a bitcoin-cli ...
2
votes
1answer
2k views

Electrum 2.x sweep feature

Could some explain how Electrum sweep feature works? As I understand "sweep" can be used only after importing private key into wallet. But private key can't be imported into deterministic Electrum 2....
2
votes
1answer
2k views

What can I do with Account Extended Private Key and Account Extended Public Key?

I have been reading about Account Extended Private Key and Account Extended Public Key that derives from the Master Private Key and Master Public Key, but I still have some question about their ...
2
votes
1answer
476 views

Bitpay xPrivKey to private key

Network: BCH testnet Client: bitcoin-abc-0.18/bin/bitcoind and bitcoin-cli I want to convert xPrivKey which is from exported Bitpay wallet file to private key for using bitcoin-cli importprivkey ...
2
votes
1answer
2k views

Using Python: create a private key of my choosing, then generate public key and address

I'm looking for a simple, easy to use Bitcoin library for Python. What I want to do is verify I can enter a hex private key that I want, and get the expected pubkey in compressed format, and the 1Btc....
2
votes
2answers
1k views

Are my retrieved BCCs stolen from my Electron Cash wallet?

I installed the Electron Cash Wallet on my laptop (version 2.9.2 downloaded from official site "electroncash.org" with the correct checksum). Then I retrieved my BCCs (from an imported BTC adress in ...
2
votes
2answers
13k views

Finding Old Bitcoin Wallet

I created a Bitcoin account back in 2014, but my computer crashed a couple of year ago and I don't remember which firm or site I did it through. Not sure if that even matters. I do have the Wallet ...
2
votes
1answer
729 views

cancel transaction in MultiBit Classic

I'm trying to send some BTC - I have two send transactions stuck in MultiBit Classic (0.5.19). They have been stuck for a few weeks. Both transactions have fee of 0.0001 BTC fee which is most likely ...
2
votes
1answer
565 views

Can someone explain what exactly is derived address?

Let's say my mnemonic words are army van defense carry jealous true garbage claim echo media make crunch When I used https://iancoleman.io/bip39/#english, the section, Derived Address, showed ...
2
votes
0answers
812 views

Service or application to auto sweep specified BTC private keys?

Is there a service or an application that will auto sweep a bitcoin private key to your own wallet? I want to monitor a few private keys and sweep them once they receive funds in it.
1
vote
1answer
2k views

Is the following a valid bitcoin private key? - FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE

In secp256k1 (Bitcoin's elliptic curve) it is defined that valid private keys may range from 1 to FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE BAAEDCE6 AF48A03B BFD25E8C D0364141 - 1. (https://crypto....
1
vote
2answers
121 views

Can bitcoin-qt use imported address as a change address?

If I import a private key into a bitcoin-qt wallet, is it possible that some day some transaction I send from the wallet will use its pair address (the bitcoin address created from this private key ) ...
1
vote
1answer
655 views

Convert EC PRIVATE KEY from .pem into WIF

I have a openssl generated private key in the following form: $ cat priv.pem -----BEGIN EC PARAMETERS----- BgUrgQQACg== -----END EC PARAMETERS----- -----BEGIN EC PRIVATE KEY----- ...
1
vote
1answer
2k views

Mycelium: Restore backup from Android to iOS

I used Mycelium wallet on Android quite a while ago. I created a printed backup which consists of a 15-character password and two QR codes: The bitcoin address and the encrypted private key. ...
1
vote
1answer
2k views

Where can I import my keys from computer to multiBit HD

I have upgraded my multiBit classic to multiBit HD but I am having hard time to find how to import private keys to my multiBit HD wallets. Any idea ?
1
vote
1answer
38 views

Import wallet programatically

I am using the https://www.blockchain.com/ wallet API: https://github.com/blockchain/service-my-wallet-v3 I am not very deep into crypto, but is there a way to allow the user to import his existing ...
1
vote
1answer
95 views

Bitcoin Core private key import

I would like to import the private keys from a multisig paper wallet to Bitcoin Core. My aim is to convert the paper wallet to an electronic wallet and to be able to export the corresponding wallet....
1
vote
1answer
119 views

What exactly happens when I import private keys to my wallet?

I can create addresses with private keys and import those keys into my wallet to receive their unspent outputs to later spend. My question is split into two parts: What exactly happens when you ...
1
vote
1answer
561 views

How can I import the Mini Private Key of a physical coin?

I have a physical Litecoin based on a Casacius Bitcoin. I have the public key and see that the Litecoins are there. Peeling back the seal/sticker revealed a Mini Private Key, but I'm having trouble ...
1
vote
1answer
228 views

getbalance and listaddressgroupings inconsistent

I imported a private key from my electrum wallet (testnet) to bitcoincore (testnet) as follow: In my electrum wallet, I copy the private key associated to the address ...
1
vote
1answer
56 views

Does bitcoind store timestamp at which private key was imported?

If we import a private key using bitcoin-cli importprivkey <key>, is there anyway to find out when the import was done? I am hoping a timestamp is included.
1
vote
1answer
2k views

How to import BCH address into Exodus wallet? [closed]

How do I link my Bitcoin private key to my new Exodus BCH wallet so that I can claim my BCH?! Can't find anything on here. Can't find anything on the Exodus website. Can't find anything on Google or ...
1
vote
2answers
627 views

Importing private keys into wallet - does the bitcoin disappear from the original wallet?

If I import a bunch of private keys into a new wallet, will the funds be removed from the original wallet? Or do they both somehow point to the same money? In my case, I wish to move funds from ...
1
vote
1answer
1k views

How can I import a private key?

I'm trying to get my coins out of an old MultiBit classic wallet. I fired up Multibit classic and tried to send the funds to a new wallet. Unfortunately, my password wouldn't work. Damn. But! I found ...
1
vote
2answers
2k views

how can I hardcode a private key in bitcoinJ - ECKey constructor?

Can someone please explain how to use the following constructor (listed here): ECKey(BigInteger priv, org.spongycastle.math.ec.ECPoint pub) Say my private key is: priv = "L4...5". How do ...
1
vote
0answers
105 views

How to access a wallet in bitcoin core using raw key export from edge wallet?

I have a wallet in the Edge Wallet app. When I view "Raw Keys", I see this json: { "format": "bip49 ", "bitcoinKey": <seed phrase>, "coinType": ...
1
vote
2answers
772 views

Private key to WIF process

I have a private key for a storage bitcoin wallet (there's not much in there I'm just testing methods) but it is in private key form and to import it to my main wallet I need to convert it into WIF. ...
1
vote
1answer
43 views

Multi-destination transaction from paper wallet

As far as I know, I can make a transaction to a single destination by sweeping/importing private key. How can I make a transaction to multiple destinations?
1
vote
1answer
476 views

How to recover wallet by importing private key on testnet?

I want to test the functionality of wallet recovery via private key import on the testnet. Preferably thru an online service. I only want to test the functionality so that I can verify that it's ...
1
vote
1answer
133 views

Where does change go when making a transaction from funds imported from a paper wallet?

I'm new to bitcoin and have read numerous articles about it, but I still have questions about how it works. All the articles that I read say the same that, once I spend bitcoin from paper wallet its ...
1
vote
0answers
68 views

How can I import Electrum addresses into a Core wallet? [duplicate]

I have been running all my BTC transactions through Electrum, but recently installed the 0.14.0 Core client and would like to move to that. I managed to export my ~40 private keys from Electrum, but ...
1
vote
0answers
105 views

I imported my private key into blockchain.info but it says 'no free outputs to spend'?

After two days of researching I finally got my private key! However when I import it in Blockchain, it says 'no free outputs to spend'. How do I fix this?