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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Hash160 and Hash key [duplicate]

I can not find a way to get hashkeys. How do I get HASH160, HASH KEYS I have tried several options but no result or way forward.. I know both are wallet related. A friend is building a private ...
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1answer
166 views

Bitcoin-qt -testnet 0.17.1 Send and Receive buttons do nothing

Fully synced on testnet blockchain after building Bitcoin with UI and wallet enabled on Ubuntu 18.10. Pressing Send and Receive buttons results in no UI displayed. Receiving addresses dialog doesn't ...
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1answer
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BITCOINJ: how to make my wallet aware again about change of my transaction status after my server restart?

Using bitcoinj, my server created a transaction and it was broadcasted on the blockchain. I can get its history using: walletAppKit.wallet().getTransaction(txHash) It is in Pending state. Then I ...
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My unconfirmed BTC transaction on blockchain just disappeared [duplicate]

I had an unconfirmed BTC transaction on blockchain.com for about 2 days plus and now I log in and there's no transaction again. I checked blockchain.info using the hash; all wiped nothing is showing, ...
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1answer
36 views

Bitcoincore wallet 0.20.0

Because on windows it is so difficult to load the blockchain into the BitcoinCore wallet. Arrives in 2016 the loading rate increases days. In ubuntu18.04 it is so fast and does not slow down after ...
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2answers
48 views

How Bitcoin nodes validate a new wallet

I have a cuple of questions about how wallet creation works. If I create a Bitcoin wallet offline, is there any way of like validate the new wallet, I mean, what if this wallet already exist? I know ...
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1answer
33 views

Help needed with PyWallet and wallet dump using MacOS

Could anyone please give me some guidance on how to perform a wallet dump using PyWallet on a MacBook (macOS 10.12 Sierra)? I’m not very savvy with this stuff at all. Have an old wallet.dat file from ...
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2answers
41 views

Explain how unused addresses in wallet.dat have no balance when mining occurred for many months

I have a wallet.dat file with many zero transaction/(unused) addresses in it with keys assigned to each address. I’ve done research and there’s quite a bit of info about mining back in the day (2013-...
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3answers
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How can I move bitcoin from one exchange to another without mining fees?

I have held bitcoin since 2010. At the time coinbase opened one could type in the bitcoin address and public and private keys from paper into their wallet and voila the coins were available for ...
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1answer
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Electrum-personal-server isn't seeing any historical transactions; using a Trezor

I followed the instructions in the Electrum Personal Server guide. I know that the transactions are there because I checked wallet.trezor.io. But none are showing up in Electrum. I have run --rescan. ...
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1answer
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What is the different between BitcoinCore and other full node wallet?

As I understand, BitcoinCore is implementation of Bitcoin protocol. And within BitCoinCore is wallet functionality located in wallet.cpp/h. My question is, if I have some other wallet that has ...
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7answers
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What is the longest known vanity address generated?

Anyone can generate a vanity address of arbitrary length with appropriate tools, it's just a matter of performing enough computations. What is the longest known vanity address anyone has generated?
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1answer
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How do I find where the BTC are sent to from a blockchain.com address page?

I could see a wallet address receiving BTC easily on a blockchain.com But it seems very hard to find out where he/she spend the BTC. Does anyone know how to track that? The screenshot below: the red ...
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4answers
749 views

Are all three Bitcoin address types interoperable (legacy, segwit, native segwit)?

is it possible to send transactions back and forth between all 3 address types (legacy, segwit, native segwit-bech32)? Or is one of them not able to send to another?
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1answer
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What is the meaning of 'change' and 'reserve' in a Bitcoin Core wallet dump?

I'm using libwally to derive addresses from an extended private key. I shared the seed with Bitcoin Core (loaded it in a blank wallet with sethdseed), and noticed that there are 2 addresses in the ...
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1answer
30 views

Address generator error with python

I had created a script that creates a bitcoin private key, public key and address, for checking if all works fine I create one and check the private key on https://walletgenerator.net/, and it outputs ...
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1answer
37 views

How small can a payment be while still adding value to your wallet?

If you receive 1 satoshi (0.00000001 bitcoin) in a transaction then adding it as an input to a larger transaction would add more than 1 satoshi to the transaction fee. This means the 1 satoshi shows ...
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1answer
30 views

When I specify wallet in bitcoin.conf for testnet3, it gets ignored

I have a question about specifying wallet for testnet3. My bitcoin.conf file is located in the root of the Bitcoin folder with the line 'wallet = receiving.dat as well as testnet=1. Whenever I run '...
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1answer
109 views

How to recover my lost cryptomultipler money? [closed]

I was trading in a cryptomultipler some one shared with me, to invest my money in there. They told me that my investment will grow, but after that they been asking me many charges until I sent them ...
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19 views

Electrum & BitAddress Wallets Creation

Can anyone please tell me if my procedure is correct and enough. I've always heard and read that I must disconnect from the internet when creating Electrum Wallets, to keep away from hacks, viruses, ...
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2answers
164 views

Sweeping paper sweeping private keys from 2009-2010 into electrum wallet

I have several wallets from 2009 and 2010 that have not been touched since day one.I recieved 25 dollars USD worth of BTC for downloading and running a program in the background. Im guessing i was ...
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0answers
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How to reference different wallets with curl JSONRPC requests Bitcoin core

I have a headless Bitcoin core 0.17.1 running on Debian 10, and have created a second wallet "johns-wallet". I'd like to get the walletinfo (or any wallet request) of that specific wallet ...
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1answer
57 views

How do I find the wallet that Bitcoin was sent to?

How do I find the wallet that Bitcoin was sent to? I was new to Bitcoin and created at wallets in at least 2 places (Armory and Coinbase) but all are showing zero.
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1answer
44 views

Recover corrupted wallet due to system crashed

My server was crashed suddenly and didn't shut down bitcoin core probably, so now my wallet was corrupted due to it didn't be released. I try to moved the corrupted wallet to a new server but it can't ...
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1answer
681 views

How do I get my Ravencoin wallet address on Ravencore? [closed]

Very new to this, and couldn't find help on Google.
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2answers
47 views

Bitcoin Core internal Electrum Server

Is there a technical reason for which there isn't an option in Bitcoin Core that would deploy an internal Electrum Server, or something similar so that a software wallet can fetch addresses and ...
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1answer
106 views

Stay on memory pool when I sending multiple transaction from bitcoin wallet

I run the bitcoin client 0.17.1 on my ubuntu 18.04 desktop. I have some balance in my wallet. Also my client is fully synced.I have face the wallet conflict. When I send multiple transaction at once(...
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1answer
4k views

I lost my Bitcoin wallet passhrase. Are my Bitcoins lost?

After reading about all the hacks I created a passphrase that I cant remember. Are Coins lost forever in the blockchain? There must be a lot of coins in this state… Is there any way to see what coins ...
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1answer
35 views

When importing a wallet from private key or seed phrase, how do you guess the correct address format?

I am building a bitcoin wallet. I can derive addresses using the derivation paths. How do I determine the derivation path for the seed when importing it?
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1answer
64 views

Is Bitcoin Core required for wallet projects?

My team wants to create a cryptocurrency service provider platform to Sell/Buy BTC and something else in form of web/mobile app. It's about one month that I have been studying different articles about ...
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1answer
39 views

Where can I find a wallet for a blind or visually impaired user?

Are there any UIs or hard wallets that work well for a BTC user who is blind or visually impaired?
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2answers
232 views

NBitcoin, how to implement wallet restoration? How does it work?

at first sorry for my ignorance, I have little experience at bitcoin programming. Im trying to implement a very simple wallet using NBitcoin library. I have done some work, but now Im stucked with ...
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1answer
92 views

How to generate new address wallet ? I want to use it per customer

I want to create an exchange site using API. How can I check that my customer had a deposit without using a transaction number? I want to create a new address wallet per customer how can I do it? I'...
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1answer
33 views

Electrum paper wallet exploit

I want to generate a paper wallet with Electrum using my personal computer that I've been using for a few years now, meaning that I'm online with it daily. I know that the optimal solution is to use a ...
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0answers
24 views

Question about Electrum wallet file on USB Drive (MacOS)

I have been using a hot wallet (Electrum) for quite some time. Now, I don't want to lose my BTC, so I have decided to transfer the wallet file from the directory where it is located to my USB Drive. I ...
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0answers
45 views

How are the prefixes for EXT_PUBLIC_KEY and EXT_PRIVATE_KEY derived?

I want to know how the prefixes for EXT_PUBLIC_KEY and EXT_PRIVATE_KEY are derived. For example in bitcoin you have: base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0); ...
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2answers
55 views

Hardware Wallet security vs. software

if you have a nano ledger, you can access your coins with the ledger live app. Even if the device is not plugged in, I can still see my currency from the app. You are given a 24 word recovery phrase ...
2
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1answer
25 views

Can a wallet/exchange provider ask for transaction details

My question has two parts, Am I obligated to share transaction details with my wallet/exchange provider for any payment I made to an individual, like subscription to a website? Irrespective of the ...
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2answers
42 views

number of inputs or outputs affect bitcoin transaction fee?

I would like to know how inputs and outputs affects my bitcoin transaction fee using legacy address, and how using a segwit address will decrease the same transaction? and how they will be ...
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1answer
32 views

Where do i get parts for diy hardware wallet and program [closed]

I would like to know where to buy hardware for bitcoin wallet and program
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1answer
3k views

My balance says 100. mBTC. How many bitcoins is this, and what is the value in British pounds?

Cant find an easy answer anywhere? I would like to know what this means and the value etc Is it 0.100 bitcoin or 0.0100 bitcoin?
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4answers
3k views

Private key to WIF

Based on the following link: https://en.bitcoin.it/wiki/Wallet_import_format , a private key of 256 bits gets transformed into a WIF address that is stored in the wallet. However, my question here ...
2
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1answer
368 views

Broadcast a Transaction

I have a: Wallet public/private key pair with X BTC Wallet Address I want to sent Y BTC to I'm developing an app in NodeJS and trying to initiate payments automatically. I'm very confused how I'm ...
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1answer
33 views

Do I really have to place my wallet file in the data directory?

I run bitcoin-core QT and I downloaded the full ledger data to an external HD so I can move between machines. My wallet.dat file is secured someplace else. I start-up the QT client giving the external ...
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2answers
151 views

When generate WIF private key , base58check('80'.decode('hex')) not prefix as '5'

i try to generate WIF private key with python. import base58 import hashlib def b58(hex): return base58.b58encode(hex) def sha256(hex): return hashlib.sha256(hex).digest() def main(): ...
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2answers
39 views

Why I have some many address when I only created two wallet address in Electrum?

I am new to this. I have created two new wallet addresses (labeled init and init2). However, when I click "View > Show Addresses," I found a lot of addresses. Why? What do receiving and ...
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0answers
37 views

Wallet.dat bitcoin cash? [closed]

I had 20 btc in 2012, and I spent it all in December 2017. I heard there was a fork for Bitcoin cash. How do I get my 20 bitcoin cash out of my wallet.dat ?
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0answers
41 views

How to recover bitcoin wallet from messed up seeds [duplicate]

I have a ledger nano s wallet that is broken , when i tried to recover wallet from 24 recovery word i got error that says the recovery phrase is incorrect, i think the place of some words is incorrect ...
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1answer
38 views

Receiving transactions in prune mode

I am new to Bitcoin. I have downloaded the whole blockchain but I still can't access my wallets because I get a popup telling me to use prune mode. My question is: I know that I have received ...
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0answers
18 views

Multisig Wallet Help

Hello everyone I'm jud3v and i'm searching an api that provide me the same as electrum wallet for creating multisig wallet 2-of-3 for my client to protect there btc with multisignature. I have already ...

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