Questions tagged [wallet]

This tag should be used for questions that pertain to wallet software. A wallet software is a piece of software which manages users' keypairs, addresses, and transactions. Wallet software also allow a user to send and receive Bitcoin.

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How to compile bitcoin source code with wallet?

I've built the bitcoin core on my computer and once I tried to run tests related to wallet, I encountered this error: [amirreza@localhost bitcoin]$ python test/functional/wallet_createwallet.py 2022-...
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How does the bitcoin network use public and private keys when one wants to transfer funds?

I am familiar with Public keys, private keys and addresses. But, I don't understand how they are used when I want to transfer funds to a different wallet. For example, what is the process that is ...
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How does ECDSA work when generating the public key?

I know the curve has formula y^{2}=x^{3}+ax+b. However, some websites are saying that a=0 and b=7 for secp256k1? What is secp256k1? Is it the curve that is always used or does it generate the field in ...
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Where is the private key stored. Also, how is a seed-phrase one's private key?

If I download an app such as Metamask which will give me a seed phrase, how can this seed phrase be transformed into an alphanumerical private key? Also, where is this private key stored - is it ...
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Why do bitcoin exchanges use "central" wallets?

Most exchanges that have the option to deposit crypto offer individual wallets for every customer. What is the benefit of moving that money to a "central" wallet? Could they also just ...
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Old Blockchain Wallet App Not Working (android)

I have the Blockchain wallet app most recent version (yet, years old) everytime I try to login it says "error connecting to server" And I have the internet and 4 digit pin, and this app is ...
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Electron readonly password

Is it possible to add a read-only password to wallet? Or to have it open in read-only mode without password at all? One can create a watching wallet but then the synchronization goes separately.
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What is the first Deterministic BIP39 Wallet released?

I'm studying the BIP39 and the seed phrase. I can read this doc (https://en.bitcoin.it/wiki/BIP_0039) and I can find Created: 2013-09-10. In bitcoin talk I can read this article (https://bitcointalk....
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nunchuk.io - "To create new wallets, additional XPUBs from the key are needed."

I'm trying to start using Nunchuk (nunchuk.io), so I created 3 software keys on 3 different devices for my account, and then was able to create a wallet using those 3 keys as signers. But when I try ...
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How does bitcoin wallet's backup restore forwarding transactions?

I've installed bitcoin wallet on my phone and had some transactions. I backed up my wallet and after backing up did some another transactions. I supposed that the back up just would restore my wallet ...
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What is the workaround for high transaction fees

I wanted to transfer BTC from coinbase to Celcius for the APY, but it costs me 0.0003 BTC just to transfer this money. That's like $5. What is the workaround for this? How can I transfer money with ...
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Why does Bitcoin Core exclude the transaction fee from the exported CSV?

Open Bitcoin Core. Click the "Transactions" tab. Click the "Export" button. Inspect the saved .csv file and behold its columns: "Confirmed","Date","Type&...
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3 votes
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How can a private key be imported to a descriptor wallet?

If the Bitcoin Core Wallet Migration Tool is supposed to be creating descriptors for sparse keys (as it's supposed to support pre deterministic wallets), then why doesn't Bitcoin Core allow using ...
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mainnet wallet will refuse to dump privkeys

I created a new wallet in Bitcoin Core v23.x, as expected it created an empty wallet version 169900 descriptors true format sqlite. It seems it created 4 streams of 1000 keys each. Anyway I told it ...
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Blockchain app won't let me send bitcoin because it says there's nothing in the wallet, yet I have $40 in there [closed]

Like the title says, it won't let me send any bitcoin through the "Send" function of the blockchain app, and only prompts me with the "Buy Crypto" button, but I have $40 in the ...
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Do wallet companies send user's transactions to their own "central" bitcoin nodes?

Do external wallets companies such as muun, bluewallet, or greenwallet send user's TXs to some "centralized" data center where they own some nodes to broadcast the TX to the blockchain? If ...
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How to import private keys from Multibit 0.5.13 to another wallet?

Can anyone help trying to recover funds from my multibit wallet? I have the key file and private keys. Is there any way I can import them into another wallet? I tried to sweep them with electrum, that ...
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How can I create/provide crypto currency wallets to my users?

I am interested to know, if I want to make a facility to my website users to be able to pay/buy with crypto currencies, also to gain ability to send/receive crypto currencies together( something like ...
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How do crypto exchanges create wallet for their customers?

I am new in Cryptos. I noticed that when I want to trade in an exchange it needs to create a wallet on their website. It seems this is the wallet they create for a user like what he/she can create him/...
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3 votes
1 answer
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Remove descriptor from a Bitcoin Core wallet

I had accidentally imported descriptors into a wallet that I didn't mean to import to in Bitcoin Core. From what I can tell, the only way I can remove this descriptor from that wallet is to delete the ...
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1 answer
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Bitcoin tx with electrum has been unconfirmed for more than 24 hours and cannot be found on blockchain

I tried to sell some BTC yesterday but the coins did not arrive and the tx remained unconfirmed and still is now. When I right click 'view on block explorer' it says 'Transaction not found'. What can ...
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What is the difference between a 'hot' and 'cold' wallet

Problem I don't understand the difference between a 'hot' crypto wallet, and a 'cold' crypto wallet. Assumptions My understanding of blockchains is that they use public/private cryptography in order ...
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1 vote
1 answer
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Create individual wallet for each user

I am working on a platform where users can register and can have wallets with multiple addresses (one address for each coin/network). I found something in Binance APIs where you're able to create sub-...
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1 vote
1 answer
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Order of Signatures in Multisig-Scheme

3 Entities (A/B/C) create a collaborative Multisig Wallet (e.g. 2-of-3). A creates an unsigned TX and shares it with B/C. They (B/C) sign and broadcast. Looking at the TX on the network, can A make ...
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What needs to be on a USB such that you could hand it to someone and gift them a discrete amount

This may be a very stupid question. I was watching an interview with Nic Carter (https://youtu.be/mDyBbGCiBUU?t=1094). In it he gives Lex a present of a USB with $100 worth of Bitcoin. What is ...
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2 votes
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Can hot wallets be secure?

Hot wallets are generally considered the least secure because their online nature creates an opportunity for hackers to crack them. but is there a way to cryptographically secure the seed generation ...
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2 votes
1 answer
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Is it safer to send bitcoin to multiple addresses when moving to another wallet?

If I decide to move all of my bitcoins from one wallet to another, are there any theoretical benefits to generate multiple addresses in a new wallet and split the bitcoins between them? It will still ...
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HD wallet: Can an external party relate addresses?

DISCLAIMER: This question is not strictly for Bitcoin but a general question about wallets and any cryptocurrency. Hi there! Is it possible to relate 2 different addresses generated from an HD wallet (...
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Bitcoin Transaction [duplicate]

I was able to find an old BTC wallet address that has BTC on it from an old email. The BTC wallet address has BTC on it. The problem is I do not remember the account I used for that BTC address. How ...
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1 vote
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Buy Bitcoin with NBitcoin c# Web App

I have been using the NBitcoin lib with c# to create a Bitcoin wallet app. I have pretty much sorted out the creation of the wallet and everything that this entails. What I need some help with is on ...
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multi currency crypto wallet with API

It's need Linux (Ubuntu) multi currency crypto wallet with API or command line interface to create address, make send and get information when crypto incomming. Is anyone can advice some reliable ...
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2 answers
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Would it be possible to not be able to send funds from a wallet?

I was reading this blog post by Jameson Lopp on the best practices to back up a seed phrase https://blog.lopp.net/how-to-back-up-a-seed-phrase/ In the "Test your backup section", he wrote: &...
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Looking for Lightning Testnet Wallet with Lnurl capabilities

I'm looking to test an lnurl withdrawal. I created an lnurl withdrawal url using the OpenNode api. I have an htlc.me testnet lightning wallet. But it doesn't seem to have a way to input lnurls. Is ...
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1 vote
2 answers
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How can I see my public wallet address in bitcoin core?

I've downloaded bitcoin core version 22.0. I created a wallet by this command: [amirreza@localhost bin]$ ./bitcoin-wallet -wallet=test-wallet create Topping up keypool... Wallet info =========== Name: ...
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How can you tell whether an address was made for CHANGE?

How to tell if an unrecognized, unclaimed address you sent BTC to is actually a "made for CHANGE" address? And if you discover a CHANGE address with unspent $$ in it, how can you retrieve ...
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3 votes
1 answer
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Another similar experience to "a Bug in copying BTC address"

Using my bitcoin.com wallet app, I sent $50 in BTC to the address: bc1qtzxadce2qzpfwl0xrq46xss9nxdjkjfekqvttj This is a transaction done times before and isn't unfamiliar. Yet, this deposit wasn't ...
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Is it Possible to Create Signature Chains for Private Keys to Sign Transactions with? Similar to how Certificate Authorities Use Intermediate Certs?

I am wondering if it is possible to implement this flow with bitcoin private keys, similar to how certificate authorities have a root cert and an intermediate cert used to sign csr's. It would be ...
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Get Wallet balance from SeedPhrases

does anyone know how to get a Crypto wallet balance wit just SeedPhrase without having to log in to the account.
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I sent bitcoin to an Electrum address I created but I can't access it. can anyone help

I went on a market set it all up everything was good to go but when I set up a refund address just in case something went wrong , in the process of sending the funds to the vendor I accidentally sent ...
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1 vote
1 answer
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Does derivation from public and private keys give the same result in normal key derivation?

I am reading about key derivation in chapter 5 of the book "Mastering Bitcoin" by Andreas, along with this detailed thread and BIP-32. Here are some of my understanding about these two ...
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1 vote
2 answers
108 views

Can't get the bip32masterkey from mnemonic seed (Python)

I'm trying to understandand implement the functioning of Hierarchical deterministic wallets. But I can't get the bip32masterkey based on this tutorial : https://medium.com/mycrypto/the-journey-from-...
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Where do I get my Bitcoin address

How do I get my address so someone can send me bitcoin. I am new to this and trying to get paid from an entity that only uses Bitcoin.
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3 votes
2 answers
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What are the best practices for managing empty, unwanted wallets?

If I have a deterministic wallet which previously held bitcoin but is now empty and is no longer needed, what information should I keep? I think there are three options: keep nothing keep the master ...
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what is actually stored on a hardware wallet?

My understanding is that: Your crypto is on the public ledger under a public key. Your Hardware Wallet stores your private key (which is used to prove your ownership of the public key/wallet). You ...
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BitcoinCore does not see balance after private key entry

Please help me understand the situation. I created an address in BitcoinCore to store BTC and extracted a private key to this address (the address was the following type: 31h5a...). This was in 2019. ...
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Best Practices in integrating cryptocurrency as payment to my website

I want to accept crypto as payment to my website (some common coins, btc, bch, link, doge, etc.) and give authorization accordingly. I was wondering what is the best practice to do so? Should I ...
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3 votes
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Restore blockchain.com wallet(s) in case the company goes away?

So I have some funds on an blockchain.com wallet. Actually it's multiple wallets (some ETH, some BTC) I followed the backup procedure and wrote 12 English words on a sheet of paper. There is an answer ...
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1 vote
1 answer
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Why can't Core CLI query wallet balance when loading block index or verifying blocks?

Why can't Core CLI query wallet balance until having loaded block index and verified blocks? It takes a few moments when running the test and sig nets, but when running the main net it is tough for my ...
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50$ fee on transfer from bitcoin core to electrum [duplicate]

Yesterday i've tried to transfer the minimum amount of btc [ 0.00001 BTC ] from my bitcoin core wallet to the electrum one. The problem is that only 0.00000504 BTC were sent to the electrum wallet and ...
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2 votes
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How to connect Sparrow wallet to Bitcoin Core on a different machine but the same network

I have a Raspiblitz set up on a Pi 4 and am trying to connect Sparrow wallet to Bitcoin Core from another machine on the same network. I have read through the instructions at sparrow.com/docs but ...
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