Questions tagged [private-key]

This tag should be used for questions pertaining to private keys. 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.

0
votes
1answer
56 views

Bitcoin ATM paid out to a phone number, how can the funds be retrieved?

A friend was trying to send me bitcoin using a Bitcoin ATM, she sent the funds to "her phone number" instead of my wallet QR code. The ATM indicated that Bitcoin was sent, but my friend doesn't even ...
0
votes
1answer
35 views

Does Bitcoin Core still use “Bitcoin seed” in addition to a seed like stated in BIP 32?

In BIP 32 it's stated that a Master Private key is generated by hashing the concatenation of a random seed and the string "Bitcoin seed". And is like so in the example implementations. But I couldn't ...
2
votes
1answer
44 views

Is signature/private-key required to accept payment over Lightning Network?

To (1) create an invoice and (2) accept payment in LN, the node has to be online. But does the node need to sign the creating invoice or the accepting payment? We don't have to have private key ...
0
votes
1answer
33 views

How to re-secure a multisignature wallet if private key is stolen

Here are two attack scenarios on bitcoin private keys: 1) Assume that, BitCorp has just noticed that a Mallory has just compromised one of their servers holding their Bitcoin Private keys. Luckily,...
4
votes
1answer
59 views

Hardened Keys vs Normal Keys - A Simpler Explanation

I'm trying to better understand hardened keys and normal keys and how the former protects the rest of and HD wallet. Following on from the answer provided here: ELI5: What's the difference ...
1
vote
2answers
32 views

Trying to understand extended keys

I'm slowly getting educated about how the blockchain and Bitcoin addresses work. I now understand why it is more secure to use a different Bitcoin address for every transaction you make but I'm now ...
0
votes
1answer
17 views

Can't import BIP32 key into electrum

I always struggle here and tried both ways plenty of time i use the rubygem "moneytree" and electrum 3.3 @master = MoneyTree::Master.new @master.to_bip32(:private) this will give me ...
0
votes
1answer
21 views

Hierarchical Deterministic (HD) Importing Funds

I'm creating derived addresses from a HD private key. I have all data saved, such as the; seed, HD private key and derived addresses with their private keys, plus wif formats. I'm receiving funds in ...
0
votes
0answers
36 views

Importing the keys Issue

I imported the private keys into my wallet and they appear to be added: This is the result when i run getImportedKeys(): [ECKey{pub HEX=...
1
vote
1answer
52 views

Bitcoin core wallet's security

When running a bitcoin node on an enterprise level: a lot of addresses will be generated with getaddress RPC for users to send their funds to. As far as I understand, these addresses, as well as the ...
0
votes
1answer
22 views

Question about nondeterministic wallet

I was reading https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch05.asciidoc#user-stories and ran into this statement. In the first bitcoin wallet (now called Bitcoin Core), wallets were ...
0
votes
1answer
59 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 ...
0
votes
1answer
70 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 ...
0
votes
0answers
62 views

how to find my btc address and private key using bip32 rootkey

I have one query Using my bip32 rootkey I can see all address I've 250$ into my wallet but when i important the address from my rootkey it's showing only address which i received payment of last 150$...
0
votes
2answers
73 views

Can Large Bitcoin Collider break into the wallet which is created by new version of Electrum?

I have heard that Large Bitcoin Collider can only break into wallets that are created by broken software. My other question is that it seems the last private key that they found was on 2017-11-15 01:...
1
vote
1answer
45 views

How to get my c-lightning node's private key?

lightning-cli getinfo outputs my node's id, which is its public key. How can I get its underlying private key?
0
votes
1answer
64 views

Private key generation doubt

I read that the private key pk has to be any number between 1 and n, where n is almost 10^77. Since pk' s function is practically to be used as a scalar for multiplying the generator point G, why does ...
2
votes
2answers
342 views

How can my private key be revealed if I use the same nonce while generating the signature?

I know it is well understood that it is not a good practice to use the same nonce while generating the signatures, but I am not getting the math right. Assume I have some UTXOs that are controlled ...
0
votes
1answer
41 views

If transactions are changed in memory how miners know it?

If Alice requests something to bob, then Alice sends her public key and Bob encrypts message by using Alice's key. Bob uses his private key and hash function to make a signature. After finishing this ...
0
votes
3answers
250 views

Theory: brute-force key search

Let’s say I want to generate many private keys so I can generate one private key (and thus a public key) identical to the richest bitcoin address. But I can’t do that because my computer power is not ...
0
votes
2answers
72 views

Private Key in HD Account Bither Watch Only

I have a watch only HD account in Bither and I've got a password of the wallet but I don't have a private Key. I need to send BTC received in that account to another address in another account
0
votes
1answer
187 views

How to find one private key from the list of 15 million public keys for the sake of experimentation?

Recently found a list of compressed public keys. The total number of 15 000 000 public keys. Practical for all compressed public keys Balance: 0.000100 BTC I do not set malicious goals. All just for ...
0
votes
0answers
17 views

Is there a way to get a character string beginning with xprv with confirmation 2, sample account B

I am trying to access the wallet information using the following blockchain.info API. https://github.com/blockchain/api-v1-client-node/tree/master/MyWallet However, there is a difference for each ...
0
votes
2answers
47 views

Why is there a finite amount of bitcoin addresses and how is the range of possible addresses determined

My first question is what the precise logical/theoretical reason is that there are only a fixed amount of possible bitcoin addresses. Secondly, I can generate a bitcoin address by using address(sha256(...
0
votes
0answers
32 views

Extending a parent public key to create a child public key

I want to create public key from parent e public key like this: In this picture I can see left 256 bits and it's become 264 after "sum" with parent public key. But 256 bits what is it? When ...
0
votes
1answer
27 views

Using only Javascript and JS related Bitcoin Libraries. How do you extract the Bitcoin Address from a private key?

I'm building an js related application that only stores my user's bitcoin private keys, but not the public key or bitcoin address to save space. Is there a javascript library that can output the ...
0
votes
1answer
34 views

Import / create a Wallet from a key with bitcoind or bitcoin-cli to use as a hotwallet?

i've created a HD Wallet via (https://github.com/GemHQ/money-tree) i would like to take the private key and throw that into my daemon so i can listen on incoming transactions and also transfer the ...
2
votes
1answer
215 views

How to specify PrivateKey search range in HEX?

I am trying to generate random bitcoin Private_Keys in HEX format (32bit) but I want the randomness to have a value within a specific HEX range, say between ...
1
vote
1answer
228 views

Can I recover my own wallet from the public key? [duplicate]

I made a wallet years back. It has a good amount of Bitcoin then I wiped and sold my laptop. Now somehow I found my wallet address public key. Is it possible to get the private key somehow?
2
votes
1answer
41 views

C-lightning Implementation password protect hsm while maintaing node access

I was wondering if there was a way to encrypt the folder that contains the hsm_secret (and a lot of other operational files necessary for constant operation of a C-lightning node) without cutting it ...
0
votes
2answers
379 views

Get Master Private Key from BIP39 Seed

I have BIP39 Seed: 5b56c417303faa3fcba7e57400e120a0ca83ec5a4fc9ffba757fbe63fbd77a89a1a3be4c67196f57c39a88b76373733891bfaba16ed27a813ceed498804c0570 I want to get Master private Key Then I Have to ...
0
votes
0answers
19 views

How to Send BTC from vmnode address to local address using privatekey in testnet?

I created two bitcoin address in VM nod as well as local and dump privatekey for both addresses by using "dumpprivkey" command. Is there any posibitity to send BTC from bitcoin address which is ...
0
votes
0answers
87 views

Fastest way to generate millions of public keys from private keys (Python/C#)

I have run into a problem when trying to generate public keys from my mnemonics via privatekeys. The mnemonic -> privkey is fairly fast. Although when deriving the m/44./0./0./0/0 public adress it ...
0
votes
1answer
166 views

Can you recover seed words with passphrase on bitcoin node?

I have a btc node (Bitcoin Core version v0.17.0.1 (64-bit))running on my Windows 10 computer, as part of regular backup I have realized I don't have the seed words but I do have the passphrase. It has ...
0
votes
1answer
173 views

Converting WIF as Base58 string to byte array in bash

I want to convert wif as Base58 string to byte array. Private key to WIF printf 800C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D507A5B8D | xxd -r -p | base58 ...
0
votes
1answer
69 views

checksum in address

I want to create a address bitcoin. I have a payload with version like this: 0050d512c984b1656ef47c145c8fd5d5262d3904b1 where 00 in my version prefix, and 50d512c984b1656ef47c145c8fd5d5262d3904b1 ...
1
vote
1answer
92 views

How does `bitcoind` generate the private key?

My question is how the bitcoin core client generates a (master) private key(s)? I know from other wallets, that they take the mnemonic and generate a HD wallet master key. With the master key, the ...
0
votes
1answer
81 views

address in listaddressgroupings and getnewaddress

I don't understand the differents between listaddressgroupings and getnewaddress For example, I have a local blockchain ( regtest ) with 0 Block. I create 101 block (generate 101) I can see with ...
1
vote
1answer
33 views

Is the unencrypted copy of the wallet still usable after a copy is encrypted?

My wallet is not protected with a password, I have a few receiving addresses generated and a some funds in it, then I make a copy of the wallet and I set a password on this one. Will the old ...
0
votes
1answer
352 views

How do you sign data with a private key? [javascript]

Using BlockCypher’s signing tool (link), I can sign the following data: 05de69f5d37f41340eed3230f03d2394dde5e497738a76f027b7d962a0cbdf39 with the private key: ...
1
vote
1answer
199 views

Deriving hex private key from a HD wallet

I have the following test Mnemonic: stable primary already collect buffalo bike into robust fury cement proof agree neither blouse course From this I can generate a BIP39 Wallet: https://iancoleman....
0
votes
0answers
25 views

How do you sign transactions from a HD wallet? [duplicate]

I'm using the following tool to generate a HD wallet: https://iancoleman.io/bip39/ However, it gives quite a few different private keys and I'm not sure which one is used to sign transactions with. ...
0
votes
1answer
225 views

How public key is calculated from a base58 encoded private key?

I followed this post and created a private key for bitcoin wallet. The post says after finding the random 256 bit(32 bytes) integer the version number should be prepended and the checksum should be ...
0
votes
1answer
106 views

Ownership of private keys in the Lightning Network

My question refers to the technical side: who is holding the private keys if a third party is using my lightning node to participate in the Lightning Network payment channel ? Thank you
0
votes
1answer
137 views

I accidentally transferred my Bitcoin Cash to Bitcoin (BTC) wallet in BitMEX! [closed]

A few days ago, I bought Bitcoin Cash and transferred it to my BitMEX Bitcoin BTC Wallet by accident! This is money that I can't afford to lose! What do you suggest I do? My conversations with BitMEX:...
2
votes
1answer
168 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 ...
1
vote
1answer
87 views

how to dump private key from multisig address

how to dump private key from multisig address ? I tried with dumpprivkey RPC function but return error : Address does not refer to a key
0
votes
1answer
81 views

Private key only wallet for Bitcoin Core regtest

I'm running a private regtest network on GCP. I generated a list of 2000 vanity testnet addresses ordered sequentially from prefixes mooo1 to n2ooo with their respective pub/priv key pairs, and to ...
2
votes
1answer
332 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....
0
votes
1answer
1k views

generating private key from bip39 seed

according to bip39, I maked 12 mnemonic words and then get a 512 bit seed from them. now I want to know how must I convert this seed to private key ? what functions must I use ? please introduce me ...