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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.

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Find one private key from a large list of compressed public keys secp256k1

I am willing to cooperate with you. Help me find one private key from a large list of compressed public keys secp256k1. In the list of 15 000 000 compressed public keys. For the method of searching ...
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1answer
17 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 ...
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1answer
41 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 ...
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1answer
32 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 ...
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0answers
24 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$...
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2answers
37 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:...
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1answer
21 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?
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1answer
52 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 ...
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2answers
222 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 ...
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1answer
38 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 ...
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3answers
140 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 ...
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2answers
45 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
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1answer
85 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 ...
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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 ...
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2answers
40 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(...
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0answers
27 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 ...
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1answer
24 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 ...
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1answer
25 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
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1answer
89 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 ...
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1answer
148 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
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1answer
32 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 ...
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2answers
181 views

Get Master Private Key from BIP39 Seed

I have BIP39 Seed: 5b56c417303faa3fcba7e57400e120a0ca83ec5a4fc9ffba757fbe63fbd77a89a1a3be4c67196f57c39a88b76373733891bfaba16ed27a813ceed498804c0570 I want to get Master private Key Then I Have to ...
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0answers
18 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 ...
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0answers
65 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 ...
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1answer
100 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 ...
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1answer
91 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 ...
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1answer
44 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 ...
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1answer
70 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 ...
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1answer
58 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 ...
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1answer
24 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 ...
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1answer
225 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: ...
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1answer
128 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....
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0answers
22 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. ...
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1answer
120 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 ...
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1answer
77 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
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1answer
99 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:...
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1answer
129 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 ...
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1answer
78 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
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1answer
66 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 ...
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1answer
273 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....
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1answer
580 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 ...
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3answers
154 views

Is there any way to recover a bitcoin private key using some parts of the key ?

I have a bitcoin wallets private key , but it's incomplete like you can say it's 70% of the private key , there is some alphanumeric missing for the middle of the key , is there anyway to recover it ...
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1answer
47 views

Who approves my public key in Bitcoin network?

In a PKI approach a public key is approved by a Certificate Authority (CA) with a centralized manner. However, since Bitcoin network is a decentralized network, how my public key validity is approved? ...
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1answer
144 views

My ripple masterkey is disabled

I have XRP secret key and regular key. but masterkey is disabled. How do i enable masterkey again to move my funds? Thanks
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3answers
1k views

How would one “Encrypt” a message using a Bitcoin *public key* and use its private key to decrypt it?

I have the following text string: This is a test message. Using my bitcoin public key (bitcoin address?), how can I encrypt this message? How would I decrypt the message using a bitcoin private key?
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1answer
220 views

How to create ECPoint from raw private key

How to create a bouncy castle ECPoint from a raw private key hex string? I am getting a private key using the 'dumpprivkey' RPC and removing the header byte and the 4 bytes of checksum + 1 byte of ...
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1answer
38 views

Off Line wallets

I am using Armory .96.4 with bitcoin core of .16.3 I have three wallets which two are encrypted ant the other is watching only. The watching has several bit coins and when I try to do a transaction ...
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1answer
74 views

Why can a wallet not compute the private-key from a public-key?

my goal of questions this is why any wallet not able to compute private key created with public key generate?
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1answer
43 views

Can i use one pair public and private key for all transactions?

Can I use one pair public and private key for all transactions, digital signatures and wallet addresses? In the other hand, I have a private key and want to sign all transactions and have a public key ...
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2answers
240 views

What can you do with the private key?

I am trying to understand all security regarding blockchain and bitcoins. Let's say you have a bitcoin wallet which is secured, only you know the private key. This bitcoin address was created on one ...