Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

4
votes
1answer
234 views

Trying to import a private key into bitcoind

I am in a special situation where I need to import my private key credentials and basically restore a wallet to bitcoind. bitcoind is running and I do have an rpc user/pass and server=1 in the ...
1
vote
1answer
69 views

Combining a Bitcoin transaction with one address holding USDT, but no BTC and using another address with BTC to pay for the fees?

I have a Bitcoin address that contains USDT, but NO BTC in it. So I cannot even send the USDT out. But I have another bitcoin address that does have BTC. Can I somehow combine these 2 addresses where ...
1
vote
1answer
848 views

python-bitcoinlib | Create Private Keys, Public Keys and Addresses - How to Do It?

I'm trying to use the python-bitcoinlib library but its docs aren't entirely clear to me. I'm a programmer but quite new to Python, and not very versed in the Bitcoin protocol. What's the process, ...
3
votes
0answers
858 views

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 ...
2
votes
0answers
566 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.
2
votes
0answers
463 views

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?
2
votes
0answers
845 views

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 ...
2
votes
0answers
823 views

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.
2
votes
0answers
209 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 (...
2
votes
0answers
280 views

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 (...
2
votes
0answers
113 views

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 ...
1
vote
0answers
75 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 ...
1
vote
0answers
70 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. ...
1
vote
0answers
142 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 ...
1
vote
0answers
1k views

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 ...
1
vote
0answers
344 views

Is a wallet simply a folder of private keys?

I try to understand how a wallet actually works. I know there are lots of resources around the internet, but I still can't find simple and concise answers for basic questions about wallets and ...
1
vote
0answers
207 views

Get multisig HD Wallet private keys

If i want to get the private and public key of all transactions that have happened on my multisig wallet. How would i do that? It's a 2-2 multisig. I have xPrivkey from my computer and xPrivkey from ...
1
vote
0answers
205 views

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 ...
1
vote
0answers
2k views

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 ...
1
vote
0answers
560 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
0answers
587 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 ...
1
vote
0answers
7k views

Unable to remove bitcoins from watch-only address

I'm new to bitcoin and my situation is this: I installed Bitcoin Classic wallet, then sent bitcoins to it from Coinbase before the entire blockchain was finished syncing. The transaction timed out and ...
1
vote
0answers
80 views

Does Trezor have any shortfalls security-wise?

Or do you have a recommendation for another cold wallet?
1
vote
0answers
70 views

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 ...
1
vote
0answers
1k 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, ...
1
vote
0answers
810 views

Can Ethereum support compressed secp256k1 public keys to compute Keccak addresses?

Starting from a private key, a working functional example provides details for how an Ethereum address can be calculated from an uncompressed secp256k1 elliptic curve public key. This functional ...
1
vote
0answers
2k views

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 ...
1
vote
0answers
338 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 ...
1
vote
0answers
362 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 ...
1
vote
0answers
827 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 ...
0
votes
0answers
47 views

ELT Wallet is lost how do I get it back

I accidentally hit the create new wallet button when I was half asleep and when it said enter pin I entered the one for my original wallet. Now I cannot get to the original wallet and I cannot find my ...
0
votes
0answers
75 views

I want to find my private key using my extended private key

How can I find my private key to all my imported address that hold funds? Please help me. Thank you.
0
votes
0answers
64 views

How to find bitcoin address from bitcoin privatekey

How to find bitcoin address from bitcoin privatekey using bitcoind json rpc or any other way?
0
votes
0answers
352 views

On what kind of random number generator does each wallet create the secret key based?

Bitcoin core, OpenLedger, METAMASK, or other famous wallets(the type of wallets does not matter) create private keys by using random number generator, and I would like to know they use what kind of ...
0
votes
0answers
128 views

Lost Last two Characters of a base58 Compressed Key, Can it be recovered using checksum?

My key starts with L1bt9sxxx(50 char) Base 58, compressed private key. I had lost last two characters of my. Is it possible to recover using checksum tool, If so, please provide script to Bruteforce. ...
0
votes
0answers
87 views

Can someone find out that several public keys belong to one owner?

"As an additional firewall, a new key pair should be used for each transaction to keep them from being linked to a common owner. Some linking is still unavoidable with multi-input transactions, which ...
0
votes
0answers
102 views

qt based wallet (altcoin) - can't get privkey

just installed NuMuS-qt wallet. Could see privkey in console. Then Encrypted it. But now getting the following error when in Consolde entering passphrase:- Error: RPC server was not started, use ...
0
votes
0answers
34 views

Can one _see_ one's private key in, and _transcribe_ it out of … a laptop wallet?

Suppose I download bitcoin wallet software, or Armory, and create a new account, on my laptop. Can I see and transcribe the newly-created private key? Then suppose I receive some Bitcoin into this ...
0
votes
0answers
813 views

how to get the private key for an used address ?

I have used an address generated by Exodus wallet. whats happened is that my bitcoin confirmed but didn't receive any thing on Exodus wallet. I want now to import private key in another wallet. but ...
0
votes
0answers
223 views

Multi signature wallet I'll know the private key

So my situation is I have to create a multi-signature address for our business (was going to do something like this: https://github.com/anders94/bitcoin-2-of-3-multisig). My question is if I make it ...
0
votes
0answers
1k views

How to decrypt my bitcoin?

I encryted several bitcoin 4 years ago and have the file and the password. I've now installed Bitcoin Wallet on my Android smartphone. How do I go about getting the file decrypted? I'm a complete ...
0
votes
0answers
3k views

To get Public key from Private key

How can I get the corresponding public key of a particular private key using bitcoin core console commands? , just as we can have private key of particular address using dumpprivkey and public key ...
0
votes
0answers
421 views

What offline programs exist to generate deterministic BITCOIN address?

I am looking for a program (code or software, called the way you want) that can run totally autonomously, not requiring to be connected to Internet or to have a specific bitcoin software installed (...
0
votes
0answers
258 views

Is there a way to send bitcoins directly from blockchain?

My wallet won't sync for last 24 hours and my coins are frozen in blockchain. Is there a way to get them on my other wallet? I know the address, and my broken wallet is giving me some keys, but don't ...
0
votes
0answers
141 views

Blockchain wallet dilema

my desktop wallet icon defaults for some reason to a Watch wallet on entering my PW - of course I cannot get at my money from there and I am at loss to solve the problem - Blockchain.info support say ...
0
votes
0answers
520 views

Private key does not match bitcoin address

Here is my situation. I have submitted a request to blockchain support 2 days ago Wallet created on blockchain.info Received bitcoins from someone when i try to send bitcoins to another wallet, i ...
0
votes
0answers
1k views

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 [...
0
votes
0answers
445 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 ...
0
votes
0answers
372 views

How do you do point multiplication in bitcoin associated with the ecdsa algorithm?

I have posted a similar question recently, but not this specific. I have found that a lot may ride on the idea of "point multiplication" yet all explanations I have found lack explanation or are in ...
0
votes
0answers
339 views

How can I access my private keys? Will the key get lock further if I enter the incorrect password too many times?

I exported my private keys and Multibit unencrypted but when I try to import the key files I am being asked for a password... copying the the key from text edit and pasting it into blockchain results ...