Questions tagged [private-key]

Private keys are used for signing transactions and allow the holder of the private key to spend the Bitcoin associated with the address derived from the private key.

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php private key to wallet import format (wip)

I have been writing a php file intended to create a bitcoin private key and change it to wallet import format. The issue is when I try a command in a gnome-terminal such as: bitcoin-cli importprivkey ...
Gemohn Herbile's user avatar
3 votes
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Schnorr signature key storage

So everyone talks about Schnorr signatures and Taproot when talking about Bitcoin. I would like to know if there is any standard that they will use to store the keys used in this algorithm. And also I ...
Razvan Marian's user avatar
3 votes
1 answer
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Key Derivation - CKDprv & CKDpub

I would like to replicate this derivation of keys. Chain m ext pub: xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gZ29ESFjqJoCu1Rupje8YtGqsefD265TMg7usUDFdp6W1EGMcet8 ext prv: ...
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Import private keys from Multibit into Armory?

I am attempting to import a private key that was made in Multibit, into Armory. I am able to restore this key into other wallets, such as the Android Bitcoin Wallet, Mycelium and Electrum, but when I ...
user71607's user avatar
2 votes
1 answer
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Partial private key recovery

I had the pleasure of setting up a Bitcoin wallet using the Blue Wallet app and diligently noted down the 52 characters of my private key on a piece of paper for backup purposes. Upon revisiting the ...
minodo's user avatar
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Getting Error "Unable to sign input, invalid stack size (possibly missing key)"

I have created a key from using coinstring, and then imported it into my wallet. Then I ran: bitcoin-cli signrawtransactionwithkey "$rawtxhex" "[\"$mykey$\"]" But it results in: Unable to sign ...
Lance's user avatar
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How to send & receive bitcoin using bitcoinjs-lib?

First I create HD Wallet using BIP32 using mnemonics. Now I want to generate new child addresses with private key using xpub & xpriv for every receive. Then for example, I received BTC in 2 ...
Monarth Sarvaiya's user avatar
2 votes
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159 views

Has there been any cases of bitcoin being stolen without getting access to the owners private key?

With this question I want to exclude cases where someone is fooled to send BTC to a person (e.g. because social engineering or malware on their PC). I have seen some arguments in comments to this ...
Ronnie's user avatar
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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.
Patoshi パトシ's user avatar
2 votes
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Java bitcoinj: semantics of 'decompress' on encrypted key

Calling the decompress method on an encrypted ECKey object yields an ECKey object which has no private key (only public). I personally would have expected to get the same encrypted key in uncompressed ...
Sven Williamson's user avatar
2 votes
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Unknown key format when importing Private Key from Multibit to Blockchain.info

I'm trying to import a Private Key from MultiBit into Blockchain.info, but get an error saying "Error importing private key: Unknown Key Format". Is my MultiBit key in the wrong format or something?
aygul's user avatar
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Where can I find a C or C++ implementation of converting bitcoin privatekey to bitcoin public key and bitcoin address?

There are versions in python and some such things, but I need a C version (or at least C++). I do have the sha256, RMD160 in C already, and those functions are called. Thank you.
user3592760's user avatar
2 votes
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237 views

If I accidentally delete an address with funds

If the address is deleted (while using an online provider like CoinJar), does that mean the coins are lost for good? Or all public/private keys are still held by the company and the address deleted (...
bcm's user avatar
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Converting multiple btc private keys in standard text format to WIP

Ok, going crazy! I have a file that lists my old private keys (2011) (not original wallet.dat, just keys txt file). I need to convert each of these keys (not one at a time) into either a WIP key (...
user5573's user avatar
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What are the preferred UI images for Bitcoin Address & private key and multi-signature key?

How should I visually distinguish between the different types of keys available for the end user? So far the common keys I've come across are Private key (not to be shared) Bitcoin address (to be ...
makerofthings7's user avatar
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How to generate private key from 24-word mnemonic phrase? (Native Segwit)

When Googling, entire first page consists of people linking to online "calculators" (no thank you) or outdated bip39 code which no longer works. I have a 24 word seed phrase (from ledger ...
Cobie Fisher's user avatar
1 vote
1 answer
41 views

Deriving bip84 addresses with python

Does anyone have a python script deriving the bip84 addresses from the private key? I do have the private root key so I don't need to go all the way from the private key. I'd like to do this with the ...
Peder Rustad's user avatar
1 vote
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sweep 52 Character private key beginning with L

I'm trying to sweep an unencrypted private key, created with bitaddress.org 4 years ago into, Electrum. I also gave these to family with small amounts on, so need to figure this out before I go down ...
Mark's user avatar
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Decrypt an encrypted mkey from a corrupt Bitcoin Core wallet.dat file

I have a 94 digit encrypted mkey that I obtained from my corrupted bitcoin core wallet.dat file. I also have the password, the salt, and the number of iterations. Using the password I’m unable to send ...
Pennyflipper101's user avatar
1 vote
2 answers
169 views

What if I delete the wallet file but still have my private key

I am just trying to learn more about bitcoin. My question is what if i delete the wallet file from my computer but I still have my private key, still I be able to access my wallet?
Papi's user avatar
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multiple multisigs with minimal cold devices

I want to maximize security but minimize complexity. Let's say I have large enough sums of BTC that need to be secured into three buckets: KYC Personal BTC Non KYC Personal BTC (mined) KYC Company ...
Francis's user avatar
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135 views

multisig vs singlesig

Due to the Ledger debacle I have purchased a Coldcard hardware wallet. I made this decision partly based on watching the Antonopoulos live stream last week. Until now I have backed up my bitcoin on a ...
Sam's user avatar
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Bitcoin script and unsecure ScriptPubKey

The following is taken from problem 3 in HW1 of CS 251 Stanford's course (https://cs251.stanford.edu/syllabus.html). Alice is on a backpacking trip and is worried about her devices containing private ...
Mattiatore's user avatar
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662 views

How to recover from forgotten password for Bitcoin Wallet for Android backup?

Back in 2016, I had a Bitcoin wallet with a couple of euros worth of Bitcoin. I used the Android app "bitcoin wallet" to backup my wallet but I had to use a password. This week, I found the ...
levio's user avatar
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1 vote
3 answers
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How can i recover my specific wallet using the 12 word mnemonic?

I just can't understand how can i use the 12 words instead of writing all the numbers related to the address/private/public keys. When i go to iancoleman.io the output is several addresses, private ...
Diogo Moreira's user avatar
1 vote
0 answers
80 views

Is it doable to get the private keys from a Bisq wallet?

I do not mean getting the seed phrase - this I've already backed up. I do not see such a possibility from Bisq's GUI. Is it doable to get the private key of a particular address of a Bisq wallet (much ...
John Smith's user avatar
1 vote
2 answers
280 views

Safest way of long term holding

I am considering holding Bitcoin for the long term. I have learned a few basics about the blockchain and BTC mechanisms, but still unable to find a complete guide on how to safely store bitcoin. How ...
qwewsx qweszxc's user avatar
1 vote
0 answers
88 views

How to generate a very secure wallet with Electrum?

For a poor-mans glacier protocol, looking for: One private key – an alphanumeric string used to secure the funds The cold storage address – an alphanumeric string designating the virtual “location” of ...
Nicholas Saunders's user avatar
1 vote
0 answers
153 views

How to best practice restoring a wallet in bitcoin core

I have a test wallet in bitcoin core that I want to play around with and get comfortable with before I move my btc from blockstream green wallet. I primarily use that wallet because so far it has been ...
Anders Kitson's user avatar
1 vote
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97 views

Do invalid keys in BIP44 path matter?

I understand not all private keys are usable as they fall outside of Secp256k1, but do they really matter when the master node or path being derived in BIP44 generates a private key which isn't usable ...
Ashfame's user avatar
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3 answers
806 views

How to generate these bitcoin addresses?

For the private key KwaZRh42fdQD4iUN6sy2GtEC5gfSAYXrQgp16KPV4Pxsspi5ChRb, I have the following addresses: 1N7jKvQ1fHezb61eNsGEaF4gcj5sQXhb2m (P2PKH) 14MNoFYWheu7sLkj8urvXCpYEdCuL4m2PH (P2PKH) ...
GMaster's user avatar
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Re: Old bitcoin address fro BCH and BSV claiming

I have a BTC address from 2013 when I bought my BTC, it is a paper wallet (the BTC have been moved), but I want to claim my BCH and BSV (Is this correct I can also claim BSV?) and move it to my trezor....
Caroline Connor's user avatar
1 vote
0 answers
2k views

Bitcoin Private Key Decryption

At present, I have dumped my wallet and have all private key, address information. I am now wanting to understand the decryption process for the private keys within the wallet. I have completed the ...
kmart875's user avatar
1 vote
0 answers
107 views

When develop a mobile cryptocurrency wallet, is there any good practice to store private key?

As i know, some wallet like electrum store private keys in client filesystem with encrypted and other web wallet like ether metamask store it on browser storage. And in the mobile wallet, is there any ...
Wenfeng Wang's user avatar
1 vote
0 answers
109 views

My private key has compressed public keys; how do I know how much coin I have?

I exported my private key to my desktop, then I tried to copy/paste to another wallet, it is multibit, or bitcoin, from mining back in 2013, 2014, 2015. I'm stuck and don't know how much coin I have. ...
Mikee Selvig's user avatar
1 vote
0 answers
254 views

Bitaddress.org - How does it use random mouse movement?

I am reviewing https://www.bitaddress.org/. I have downloaded the code from Github. I see first screen they show is to increase randomness on the private key generated. I am trying to figure it out ...
Eduardo's user avatar
  • 151
1 vote
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I sent litecoin to my bitcoin address, on my nano ledger

So I am very new to cryptocurrencies and have already made my first mistake. I used shapeshift.io to transfer bitcoin to litecoin, and entered a bitcoin address as the recipient to receive the ...
Choop89's user avatar
  • 11
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how to import my wallet from blockchain.info into bitcoin-qt?

I have read the related discussions about how to import a wallet and though they are close, the answers does not help with this problem so I'm asking it here and now. I have my bitcoin public ...
Laurent's user avatar
  • 11
1 vote
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Importing paper wallet into Electrum

I'm attempting to understand the workflow of sending bitcoin to a paper wallet and retrieving it. I'm using small amounts until I get the hang of things. I've created and sent bitcoin successfully to ...
thekevinscott's user avatar
1 vote
0 answers
648 views

Stealing of encryption keys

I am new to source code of bitcoin , but so far i have analyzed the source code it seems that encryption keys can be stolen from memory by this technique. This is something hackers often do to steal ...
amarnath chatterjee's user avatar
1 vote
0 answers
90 views

Does Trezor have any shortfalls security-wise?

Or do you have a recommendation for another cold wallet?
user2716556's user avatar
1 vote
0 answers
2k views

MultiBit HD and exporting private keys

Before I wrote here I was read this post: How can you extract private keys from MultiBit HD? and few others. I know from above thread that it is hard to extract private keys from MultiBit HD wallet, ...
Pawel's user avatar
  • 111
1 vote
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Same identical R value of all transaction not provide corresponding privatekey

ECDSA Signature and the “z” value from above link learn calculation of z value and to get private key https://blockchain.info/tx/9ec4bc49e828d924af1d1029cacf709431abbde46d59554b62bc270e3b29c4b1 ...
Prabu r's user avatar
  • 319
1 vote
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Can't withdraw from blockchain.info: "Private key does not match bitcoin address [my address] = [probablyprivkey1] | [probablyprivkey2]"

I have some BTC (and I really need money now) on my Blockchain.info account, I can't withdraw them (just send them to another BTC address) as it tells me "Private key does not match bitcoin address [...
Mika Feiler's user avatar
1 vote
0 answers
432 views

How do I obtain the "Private Key" from my Armory Paper Backup

1) My laptop with Armory and bitcoin has been stolen. However, I have a Paper Backup - which gives: Wallet Version / Wallet ID / Wallet Name / Backup Type / Root Key (72 letters) - but NO "Chain ...
user6542's user avatar
  • 225
1 vote
0 answers
577 views

When you sweep a private key at Blockchain can you sweep the key in HEX format?

It would be useful to know this because I have made a 64 character hex private key by hand and generated the address without storing the key in WIF format. I don’t want to go online, input the hex key ...
Peter's user avatar
  • 421
1 vote
0 answers
409 views

Decentralised escrow / distributed private key generation

Issue Hi As many others i am curious in addressing distributed escrow problem (not just for bitcoin). As it stands now there are no decentralised escrows. All escrow services are based on trust in ...
K'rstn's user avatar
  • 11
1 vote
0 answers
876 views

Problem with importing key to blockchain.info

Problem downloaded my wallet into a drive which does not have enough disk space left. has not currently synced yet transferred bitcoins by mistake whilst it was syncing I have backed up my ...
Chris's user avatar
  • 11
1 vote
1 answer
3k views

Create addresses in bulk; and check balance

I am new to Bitcoin; our company wants to use bitcoin for payments. We need to create a address for each transaction. so we need to create many public address. First, I need to generate many public ...
Osiris's user avatar
  • 11
0 votes
0 answers
23 views

Offline Paper Wallet Creation

I was wanting create an offline Paper Wallet, ideally, without using a computer for nothing more that verification. So, that's how I came across Entropy. What is the risk of attempting to create a ...
Scott 123's user avatar