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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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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-2 votes
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Did you try this p2p pool for wallet.dat passwords finding? [closed]

what you think about sach project ? Can they real find a passwords ? They have a 100 GPU and 253 wallets waiting for finding passwords. link to project at github https://github.com/phrutis/LostWallet
3 votes
2 answers
128 views

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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1 answer
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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 ...
-2 votes
0 answers
30 views

Support dev work [closed]

I need around 2 BTC in testnet coins. Can someone on this forum please spare some coins, I will return them once I have finished with my dev work. my address: misquBy87Jvs5j2bysab5fq5m4FXD4N2Pt Thanks ...
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3 answers
53 views

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 ...
0 votes
1 answer
26 views

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 ...
0 votes
1 answer
27 views

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 ...
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1 vote
1 answer
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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 = ...
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0 answers
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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) ...
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1 answer
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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 ...
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Specter wallet fails to detect Ledger Nano S+ on Ubuntu 22.04

Bitcoin Core 23.0 is running on machine A. Specter 1.13.0-pre5 is running on machine B, which has Ubuntu 22.04 installed. These machines are on the same local network. Ledger Nano S+ is plugged into ...
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1 answer
49 views

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 ...
0 votes
1 answer
48 views

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 ...
0 votes
1 answer
42 views

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.
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1 vote
1 answer
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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 ...
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Brute forcing crypto wallet that i have 3 missing word [duplicate]

I have 9 words of my seed phrases but i lost rest of them, that 9 words are completely true. Can somebody help me to how i can brute force my rest of words?
1 vote
1 answer
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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 ...
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1 answer
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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 "...
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0 votes
1 answer
38 views

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 ...
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0 votes
1 answer
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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 ...
0 votes
2 answers
44 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 ...
0 votes
1 answer
45 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 ...
1 vote
1 answer
81 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 ...
2 votes
1 answer
78 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 ...
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1 answer
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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!
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Is there analogue of web3.js and WalletConnect for Bitcoin?

If our web app helps the user to do any crypto transfer, so it connects to the wallet app of user's choice (eg Coinomi) and sends a request for transfer and the user approves it in the wallet, can it ...
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0 answers
44 views

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 ...
0 votes
0 answers
47 views

How does disablewallet parameter in bitcoin.conf affect bitcoin-cli auth with cookie and non-standard datadir?

I have two seperate bitcoin nodes running v23. Both have identical datadir paths. Only difference is that disablewallet=0 in one bitcoin.conf, disablewallet=1 is in the other. When I start both ...
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0 answers
31 views

I'm trying to send Bitcoin but it's telling me I need a pin to send it why?

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 ...
0 votes
1 answer
55 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 ...
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0 votes
2 answers
49 views

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 ...
0 votes
1 answer
52 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
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1 vote
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> <...
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0 votes
0 answers
64 views

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-...
0 votes
1 answer
46 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 ...
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2 votes
1 answer
60 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 ...
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0 votes
2 answers
86 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 ...
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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 ...
0 votes
1 answer
37 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 ...
0 votes
0 answers
16 views

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.
0 votes
0 answers
71 views

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....
1 vote
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53 views

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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0 votes
1 answer
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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 ...
0 votes
0 answers
38 views

SQLite 3.0 implementation for wallet

I'm currently asking for how bitcoin wallet.dat over SQLite are generated? I know what wallets.dat are containing. However, I would like to know some key / value with hexadecimal structure which would ...
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0 votes
1 answer
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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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3 votes
2 answers
332 views

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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2 votes
1 answer
288 views

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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1 vote
0 answers
31 views

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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0 votes
1 answer
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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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