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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2answers
30 views

Taking out bitcoin from offline wallet

Ok, let's say I have an offline wallet for storing my bitcoin, now I have got a good amount of bitcoin, but i don't want to take out everything from the wallet, I only want to take out a small amount, ...
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0answers
14 views

Не могу попасть в кошелек Bitcoin Core [on hold]

Не могу войти в кошелек Bitcoin Core, установленный на компьютере. Повторно не устанавливается, как быть? Можно ли как то вывести биткоины с кошелька?
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3answers
1k views

How can I recover my coins?

I'm using an alt coin. The wallet would not sync so I deleted the blkindex.dat file to restart the download. I restarted the wallet client and it downloaded all the blocks, but all my coins are gone. ...
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1answer
40 views

Wallet forensic

Someone who scammed me used this wallet to receive the BTC 12fmomENb5SSxR54Bitua71CZrc4oVQtmB he hasn't moved them from there since July 31st I'm trying to figure it if that wallet belong to any ...
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4answers
24k views

Must my wallet be connected to the internet to receive payments?

(This question applies to private wallets, stored in a local computer. Not so much for online wallets, which are supposed to always be connected to the internet) Let's say I have a wallet with ...
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1answer
58 views

How to get amount in RPC

I am developing a bitcoin wallet for education purposes, and i'm working on a getbalance method that given an address i return the balance of the address. Problem is, when communicating via the RPC ...
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0answers
31 views

Non-custodial wallet to store and trade Bitcoin? [on hold]

I've been into crypto since 2016 and every day there's something new, I'm always looking for the safe, decentralized way of funds storage and trading of cryptocurrency as most as possible. ...
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0answers
17 views

Get Seed from wallet on regtest mode

I am doing some tests for an application that signs Bitcoin transactions. I already downloaded the binary files bitcoin-cli,bitcoind and bitcoin-wallet from bitcoin.org. I need to know that the seed ...
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1answer
36 views

I need to know about wallets in cryptocurrency, how do exchanges generate deposite address per user?

In exchanges like Binance when a user wants to deposit coins in bitcoin or in other coins, per user receives a unique public key? Do they have to generate pair key private/public key for each user in ...
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1answer
83 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
754 views

Need help recovering my bitcoins

A few years ago I purchased some bitcoins from MtGox and decided to retrieve them to the wallet on my PC. Now without getting into detail I got sick of the headaches and ended up uninstalling the ...
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2answers
30 views

Wondering about the viability of a Hardware Wallet

I want to roll my own hardware wallet using a USB stick. I have some concerns: Do I need to download the entire blockchain in order to create a new wallet? Do I need to download and store the entire ...
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1answer
42 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
12 views

Errors with `walletcreatefundedpsbt` & non-solvable UTXOs

I'm attempting to use walletcreatefundedpsbt with a watch-only wallet. With 2.0 BTC in the watch-only wallet, I attempt to create a psbt sending 0.2 BTC without specifying inputs and receive an "...
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2answers
144 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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0answers
25 views

Implement Bitcoin on my platform?

I want users to deposit/withdraw funds from my platform. All deposits should go to my cold wallet and withdrawals will be done manually. Users have to buy/sell services inside my platform, but the ...
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3answers
322 views

Bitcoin Cash Wallet options and receiving BCC

Is there a Bitcoin Cash wallet, that does not require the hole blockchain downloaded, already working? I tried Electron, but its very sketchy. Hopefully there will be one for iOS soon (Freewallet made ...
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1answer
36 views

Address Reuse issue

I dont understand how security works with multiple address using. I am trying to guess how security works here but need some feedback, so here are a few questions, and my own guesses. If I have total ...
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1answer
25 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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0answers
13 views

How to generate a Child Public Key in HD wallets?

is the first param of CKD must be parent private key ? if i want to extended public key. can i do it like ChildPublicKey = CKD(parent_public_key,parent_chain_num,child_index_num)[0:256] or must ...
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0answers
24 views

Getting Error “Unable to sign input, invalid stack size (possibly missing key)”

I have created a key from using coinstring, and then imported it into my wallet. Then I ran: bitcoin-cli signrawtransactionwithkey "$rawtxhex" "[\"$mykey$\"]" But it results in: Unable to sign ...
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1answer
24 views

I sent myself a test BitCoin, now what? I don't see it, how long do I wait?

I just created this, sending myself 0.01 BitCoin: https://tbtc.bitaps.com/b3e8e7dbe13c9939fc3157bef7725282d12594a0e8d14fa73493624ae394f314/mqRkjQjSCCVmsmBzsEQYhwCHEdz9dXRUwW I've waited for 5 ...
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0answers
34 views

Wrong Address when Transfering BTC to Paper Wallet

I think I fucked up when transfering my BTC from exchange to paper wallet. I used the private Bitcoin address you get when u make a paper wallet instead of receive address generated in blockchain....
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1answer
38 views

What are the difference between a segwit and legacy wallet

I am installing a mobile wallet and it ask me what type of address I want to use, I want to try and use a segwit address but is there a risk that my coins will be lost if I try to transfer fund from ...
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1answer
350 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
14 views

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
42 views

Is there a way to delete a test wallet without stopping bitcoind?

For my unit tests, I'd like to be able to delete and recreate a wallet without having to stop bitcoind and manually deleting the wallet directory. When I try to delete such wallet directory without ...
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1answer
39 views

How do miners determine if a wallet has sufficient funds

I have ready about 10 posts that are similar and none of them seem to answer my question so any help is appreciated. My question is how to miners technically determine if a "wallets" has the "...
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1answer
46 views

What is the simplest command I could use to test that my wallet unlocking process works properly?

I simply want to unit test that my lock/unlock process works well on an encrypted wallet. What would be the easiest command I could send (that doesn't involve sending coins) to actually validate if ...
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1answer
37 views

Backup of a bitcoind wallet using the extended private masterkey only

If I understand correctly, bitcoind makes use of a extended private masterkey in order to deterministically generate private/public keys for a wallet. Using the dumpwallet command, I'm able to get ...
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2answers
57 views

How to reduce Bitcoin loaded wallet memory?

The server has 2GB of RAM memory. It takes up a lot of memory when I create or load a wallet. When I create about 50 wallets, the server is very slow because the memory is full. Is there a way to ...
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1answer
43 views

Loading private key (missing bitcoin)

I exported the private key from a 0.7.2 because I could not how to upgrade the wallet. I then imported it into 0.18.0 I was expecting to see a balance and the transactions and nothing was found. I ...
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2answers
2k views

Hacked bitcoin account.

I believe that my account was hacked: a "send" transaction occurred on my account an hour ago and I lost $62 without my raising any transaction. The transaction is still unconfirmed, how do reverse it ...
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1answer
65 views

How to import address to a wallet which runs in pruned mode [closed]

I am running Bitcoin Cash node with prune=99000 mode enabled. So, I tried to import addresses of BCH from another BCH wallet by using importprivkey method and I am getting an error: Rescan is disabled ...
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2answers
264 views

mnemonics for ripple wallet

I am trying to write a ripple wallet. I want it to be HD wallet. So I am generating 12 word mnemonics but I am not sure how to give this as a seed to ripple javascript api. See: https://ripple.com/...
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1answer
222 views

Importing an arbitrarily created Master Private key to Bitcoin Core

I've created a Master Private key (xpriv) on an airgapped machine along with an Master Public key (xpub). Now I'm running Bitcoind on my Ubuntu server and I want to use my newly created keys on a new ...
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1answer
31 views

Which wallets support double spending?

Which wallets support double spending? i.e. cancelling a transaction with 0 confirmations by using higher fees
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2answers
41 views

Who store seed phrases data

Seed phrases seem to be pretty secure, approximately as strong as bitcoin private key according to this site https://en.bitcoin.it/wiki/Seed_phrase. But who store the private key adresses of these ...
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1answer
17 views

Learning to trade iOS user friendly crypto wallet safety when stored in and transfer for trading or use to purchase or get cashed

iPhone users best crypto wallet in bitcoin currency trading and transfer for easy access to use and keep safe deposit and profits as a new and first time trading experience to the trading crypto ...
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1answer
21 views

Sweep all functionality for a Bitcoin Lightning private key using mobile, desktop, or cli wallet?

Bitcoin wallets have a sweep all function to transfer all coins from one private key to another. Is there such a feature in a bitcoin lightning wallet where you can sweep all coins from a lightning ...
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0answers
27 views

Bitcoin Question

If I see the funds in my BlockChain wallet for example... I ask for $20 and see $20 in my wallet. Does that mean I don't have to wait for 3 confirmations and it's mine and mine to use now and they ...
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0answers
23 views

Creating a wallet [duplicate]

I need a wallet to buy bitcoin. I've tried Blockchain and Coinbase but could not figure out how to initiate the creation of a new wallet. What software is recommended?
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3answers
2k views

Lost my Bitcoin wallet and have only 11 out of 12 mnemonic seed phrase words. How can I get my Bitcoins?

I am new to the whole Bitcoin thing, and I am having my first attempt almost going sour. I lost where I created my wallet. I have my Bitcoin address and only 11 of my mnemonic seed phrase words (of 12)...
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0answers
21 views

Why does Blockchain.com service gets stopped after a time?

I've installed Blockchain.com local machine on our server and ran its service using the command below: blockchain-wallet-service start --port 3000 It works well, but after an unknown time, it seems ...
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1answer
31 views

Partial transactions

I am new to cryptocurrencies. I want to transfer coins to multiple exchanges, how can I do it? Can I split coins from one wallet into the exchanges? Do I need a specific kind of wallet? And when I ...
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3answers
960 views

how to run multiple bitcoind node on one server?

I have created one full node bitcoind on my VPS, that one is serving application A. Now I want to create application B that has another node but on same VPS. is that possible to install multiple ...
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1answer
34 views

From LND Bitcoin Wallet to Bitcoin Wallet

Let's say I have some Sats on Zap Desktop wallet. Is it possible to transfer the Sats out of the Zap Desktop Wallet to for example MyCelium?
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1answer
45 views

Where can I download bitcoin core version 0.16.0

I changed my passphrase around march 2018 and now I can't use my new passphrase on the new bitcoin core version. When I put the back up wallet.dat into the new versions of bitcoin core, it tells ...
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2answers
106 views

how to set the transactions fee using the RPC call?

I am creating the web wallet for the bitcoin , I want to allow web wallet users to set the transactions fee . Is their is any rpc call available for setting the transactions fee (for setting ...
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1answer
43 views

Old Bit Coin Wallet Failing to Pass 180 Weeks

I have an old laptop that I have bitcoin wallet on. I left the computer alone since early 2015 and when I try to sync the bitcoin wallet, the wallet gets stuck on 180 weeks. the bitcoin wallet sync ...