Questions tagged [wallet]

A wallet manages a user's private keys. Wallet software is used to send and receive Bitcoin. It also keeps track of the user's transactions, addresses, and balance.

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How to get information from electrum wallet?

I have my wallet file and it is encrypted with a password. How to decrypt wallet file using code? Encryption seems similar to Fernet.
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How to findur Bitcoins and wallet

[email protected] Amanda glenn I'm new to this got an email stating I needed withdrawal my cash I made off Bitcoin bonus so I did but I don't know where it went I need to know how to receive it ...
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Does Bitcoin Core have wallets creation amount limitation

We are developing a community where the Bitcoin Core is used as payment processor. So we create wallet for each user (which occasionally creates new .dat files), then we generate addresses and send ...
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Optimal way to design BTC deposit flow?

I am designing an exchange application where users can deposit funds into their account by sending BTC to a unique address. What is the best way to monitor 100,000+ addresses for incoming transactions ...
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Block Transaction if it is over a certain amount

Is there a way to block a transaction if the transaction exceeds a certain amount of BTC. I am running bitcoind.
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What is lack of extension on a wallet? [duplicate]

I received this message below, is this an attempt to scam ? Dear customer, Your bitcoin transaction is awaiting for clearance on end-wallet. The transaction could not be completed due to the lack of ...
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How do I deposit bitcoins in my wallet to an exchange?

I just want to cash out my coinbase wallet. Can someone give me the simple steps to do this? Why is this so complicated? Or is it?
Mark Fredette's user avatar
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Mobile wallet that supports importing single address?

Is there a mobile wallet that supports importing a single address (public key) / private key pair?
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HD wallet usage in Bitcoin & Lightning combined wallets

Is there a best practice / recommendation for a Bitcoin & Lightning combined wallet, regarding the HD wallet used in the Bitcoin wallet and the HD wallet used in the Lightning wallet? no relation,...
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What is the correct format for wallet.aes.json?

I have a file (wallet.aes.json) which I think it's a Blockchain wallet backup but when I go to Blockchain import it says Unknown format. But here is a clue of whats inside the file { "address&...
Alexio puk2sefu's user avatar
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Program isn't starting

The app would launch fine. However, one day after it was working as expected the app would not launch anymore. I have no idea if the files have become or what has happened. I have disabled my ...
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How can we know the first bytes of a hash for a given input format string?

In the bitcoin developer wallet guide, when talking about Mini Private Key Format, when they explain how the format works, they describe some steps: The first character of mini keys is ‘S’. In order ...
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What is a physical bitcoin token?

In the bitcoin developer webpage, in the wallet page, more specifically at Mini Private Key Format it is explained what is mini private key format and what is its purpose. Mini private key format is ...
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What specific packages are required to be installed in order to create legacy wallets?

When attempting to create a legacy wallet using bitcoin-cli, I get the following error: bitcoin-cli -named createwallet wallet_name="[...]" descriptors=false load_on_startup=true error code: ...
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Bitcoin core wallet

Can anyone point me in the right direction I downloaded the bitcoin core qt wallet wee while back all the files that come with it are everywhere not in the right path I don’t know much about this ...
Ross's user avatar
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The left-half 256 bits of the hash are added to the parent key to produce the child private key

So in mastering bitcoin it mentioned that to generate child key,The left-half 256 bits of the hash are added to the parent key so if we add that it will be 512 bits.But we need 256 bit so do we hash ...
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Is it possible to set RBF as always-on in bitcoind?

I can't seem to find any cli commands for this. Is it even possible? Or does RBF need to be opted into on a per transaction basis? I would just like every transaction sent by my node to be RBF enabled....
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How are newly generated key-pairs kept unique to a single cryptocurrency?

As an extension to this question and some quick searches on software crypto wallets - my understanding is that any newly generated key-pair is unique to a specific cryptocurrency. Assuming this is ...
kenta_desu's user avatar
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Are all wallets always considered nodes?

Likely a duh question, but are all network participants (or wallet holders here) always considered nodes? Am I right to say that the answer might depend on what the wallet is capable of doing in terms ...
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Which wallet is both convenient and safe for new unexperienced non-advanced user? [duplicate]

I consider myself as a new unexperienced non-advanced user. Even if I have got some amount of BTC in 2015. I never used my BTC, and currently I have a very, very old wallet, the one which downloads ...
Gorilla's user avatar
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1 answer
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How to gift an entire BTC wallet via QR code?

I have a unique scenario where I'd like to: Create a BTC wallet and add a small amount of funds to it. Generate a QR code that contains the private key. Then gift that QR code to a friend so they can ...
Rob's user avatar
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Is it true that Public keys with even y coordinate correspond to private key that are less than n/2 and vice versa? (Secp256k1)

The question is somewhat complex and directed to clearing thing out. Suppose that n is the order of the cyclic group. It n - 1 is the number of all private keys possible n = ...
Emma Lincoln's user avatar
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Why my manually generated mnemonic seed phrase is not recognised by metamask or trust wallet

I created a random entropy using this code func randomNumGenerator() []byte { n := 16 randomByte := make([]byte, n) _, err := rand.Read(randomByte) if err != nil { panic(err) ...
Athul A's user avatar
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Can I sign multisig transaction only with private key in a descriptor based wallet?

I created a multisig wallet using bdk. It seems to accept descriptor with owner wallet's private key and other participating wallet's public key. Is it possible to create a multisig wallet where only ...
Mohit Singh's user avatar
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How does Lightning payment service Works?

Let's say A merchant is using lightning payment service to accept BTC as payment for his shop. How does existing lightning payment service were able to manage to provide merchant's BTC in form of fiat ...
Arjun Reddy's user avatar
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How do I use sqlite3 to view the contents of the wallet.dat file? Anywhere else to look for records of lost coins?

I think I've lost some testnet coins in my Core wallet and I'm not sure how. I do bitcoin-cli -testnet listwallets and it doesn't show any wallets for me to load. But I definitely had testnet coins a ...
Michael Folkson's user avatar
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Lost Bitcoin wallet

If I have wallet address only, part seed phrase can I get access to Bitcoin wallet. Can bitcoin.org find IP logs from date of wallet download.
James's user avatar
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Why rebroadcasting transactions in the Bitcoin Core?

There is a function here, named ResendWalletTransactions in the Bitcoin Core: // Rebroadcast transactions from the wallet. We do this on a random timer // to slightly obfuscate which transactions come ...
Amir reza Riahi's user avatar
1 vote
1 answer
71 views

wallet migration tool and password protected wallet

Surely the Wallet migration tool by achow will port unencrypted legacy wallets to unencrypted descriptor wallets, but what will be the output for encrypted legacy wallets? unencrypted descriptor ...
Mercedes's user avatar
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Where can I see the requirements for creating a password in Bitcion core?

In 2017 I created a wallet in Bitcoin core and protected it with a password. The password contains characters like ".,;". When I decided to send my bitcoins the wallet wrote an error "...
Neck's user avatar
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Specification of Bitcoin RPC getbalances

I would like to track balances using address, but I have a few questions. If I don't use the rescan option, will the balance be incorrect? Why is the balance off when I check it against an external ...
Satish's user avatar
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If my wallet address changes, do I still get funds from old wallets?

No funds are lost but I have a question around my bitcoin wallet setup. I am due some funds soon and I gave my address/wallet id (I guess address is the main thing). However, since then my wallet id ...
user135906's user avatar
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2 answers
509 views

What is the best bitcoin software wallet where I can import my mnemonic seed phrase?

I have BTC mnemonic seed phrase and I want to import to my wallet. I'm not a fan of online bitcoin wallets, and I want to install a software wallet. What is the best software wallet for this? I'm not ...
Aleksandar's user avatar
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1 answer
274 views

How to "Autoforward" incoming BTC using Electrum

We would like to generate multiple addresses in Electrum, receive BTC to these addresses on a daily basis and auto-forward them to another address automatically. So the flow would be this: BTC Sent ...
electrumhelp's user avatar
1 vote
1 answer
131 views

I think I was victim of a sybil attack

So I am currently working on a project using bitcoin. I started with a full node that I tried to secure following the best practices available online. Then, I set up an electrum server that was ...
nourou4them's user avatar
2 votes
1 answer
104 views

Is anyone working on separating the wallet from Bitcoin Core?

I don't remember the talk that I was watching, but if I remember correctly the speaker mentioned something about separating out the wallet part of Bitcoin Core because not all of its functionality is ...
ana408's user avatar
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Reconfigure Bitcoin Core to allow Wallet

I installed and configured a testnet node but I forgot to install sqlite so all wallet-related commands do not work... Is there a way to fix that without having to setup a whole new node? Thanks!
zerotobtc's user avatar
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How are crypto wallets derived? Specifically the BIP32 Root key

I realize this is a very broad question. I'm not getting helpful resources from anywhere. White papers don't really explain the code, YouTube videos are vague or abstract, demonstration sites don't ...
SquishyRhode's user avatar
-1 votes
1 answer
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I'm trying to send Bitcoin but it's telling me I need a pin to send it why? [closed]

I want to send Bitcoin to my wife because she's out of town and needs some money that's the only way I can give it to her but it's asking me for a pin what is my PIN I have no idea what it is or why ...
David Geyer's user avatar
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1 answer
341 views

CLI command "createwallet" does not work on testnet VM

I have a headless virtual machine to try out some stuff in testnet. Strangely, I can not use the createwallet command. It gives me the error error code: -32601 error message: Method not found This is ...
zerotobtc's user avatar
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2 answers
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can MITM read my metamask seed phrase when I click "Reveal Secret Recovery Phrase" in the wallet? [closed]

I worry someone is leaching my WiFi and potentially trying to do a MITM attack. If I click "Reveal Secret Recovery Phrase" in my metamask wallet extension, will they be able to read it via ...
Oxi Defi's user avatar
1 vote
1 answer
179 views

How the extended key in wallet is 512 bits?

For extended private key it is 512 bits but for extended public key how it is 512? It will be 264+256 right? And why in the book mastering bitcoin they said extended key is either 512 bits or 513 bits
Athul A's user avatar
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2 answers
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When The Unlocking Script Is Created, Who Verifies The Script?

I am familiar with the many ways an unlocking script is created. But in this scenario, lets use P2PKH. When we generate the unlocking script (excuse the simplicity): <dup> <hash160> <...
Jamo's user avatar
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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-...
Amir reza Riahi's user avatar
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1 answer
71 views

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 ...
Jamo's user avatar
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2 votes
1 answer
281 views

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 ...
Jamo's user avatar
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190 views

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 ...
Jamo's user avatar
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4 votes
2 answers
2k views

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 ...
itscoldoutsideman's user avatar
0 votes
1 answer
270 views

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 ...
Amanda Vibild's user avatar
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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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