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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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1answer
9 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 ...
1
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1answer
18 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
56 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
46 views

How to import address to a wallet which runs in pruned mode

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
260 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
216 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
29 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
36 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
18 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
26 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?
4
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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 ...
0
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1answer
30 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
922 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
33 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
44 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
101 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 ...
0
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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 ...
1
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1answer
34 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 ...
3
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1answer
60 views

Fundamentals: Addresses don't hold coins, wallets do?

In the beginning it was my understanding that: Every address has a private key Every address has a balance Every address may send and receive coins. This is simple. But now I am using more proper ...
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1answer
53 views

How can I move BTC wallet and funds from Block.io?

Unfortunately I can't access dashboard on block.io for some unknown reason. I get the following message from block.io We're sorry, but something went wrong. If you are the application owner check ...
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3answers
746 views

Address not valid when withdrawing money from Binance

I want to withdraw the Vibrate crypto from binance. When I enter the BTC wallet address which I took from my account from coinbase, binance says invalid address. Am I missing something here?
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2answers
5k views

What's the difference between a bitcoin client and wallet?

I would like to know what is the difference between a client and wallet.
17
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2answers
6k views

How does the Bitcoin client encrypt the wallet.dat file?

What is the algorithm used for encrypting the wallet.dat file?
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1answer
27 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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1answer
159 views

What's the magic key version bytes for BIP49

I'm implementing BIP49-compatible key derivation for bitcoin-s, but I'm having a hard time finding the magic version bytes to use for the extended keys. I've been looking at BIP49, but can't find ...
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1answer
32 views

Why does Bitcoin RPC load wallet too slowly?

I'm trying to load old wallet (which I have not been opening for months) and it takes too much time (~minutes). In this time seems like I can't do any further requests to RPC. After this new calls to ...
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0answers
21 views

Why do I get -4 error code from Bitcoin RPC

I'm directly dealing with Bitcoin RPC and my first step is loading wallet. At first I try to check listwallets to find the current wallet there. If not, trying to load wallet: Post body = {"method":"...
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2answers
109 views

I just compiled bitcoind and run for the first time. Do I already have a private key?

Since I have a wallet.dat I suspect I already have a private key and so I could extract it for backup purpose (on paper). How do I do it via terminal with bitcoin-cli?
2
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1answer
32 views

What are the consequences from the leak of xpub and child private key?

Let's say the following keys are leaked: Extended public key derived from path 44'/60'/4' Leaked child private key from path 44'/60'/4'/0 Does that imply all the child private keys of the root 44'/...
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0answers
14 views

Extract BCH from BTC wallet [duplicate]

I have the BTC address that I put the BCH in. How can I get it back out? My first transaction was rushed and I made the mistake. I tried moving it, the address show the BCH and no BTC. Very new at ...
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2answers
69 views

Fetch my private key

I goal is to understand. I do not want to earn money with mining. (I have a server without GPU) Here is what i've done: I have downloaded, maked and installed bitcoin sourcecode from github. It ...
0
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1answer
51 views

Can't link my Paper Wallet to Blockchain

So I've created a Paper wallet using bit address.org, and have joined Blockchain.com, but can't find out how to link the two? Also the strategy I'm using at the moment-till maybe "you" say otherwise, ...
1
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1answer
240 views

How to create multi-user wallet or wallets supporting off-chain transactions

I want to implement the wallet to create bitcoin and altcoins exchange and store system. Somehow create random or HD wallet that holds and store upto 50 user public keys.But users will not have ...
14
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3answers
3k views

Estate planning: how can I ensure my bitcoins are inheritable?

What are good ways to ensure my bitcoins can be inherited by my family when I die or become permanently incapacitated? I think there are probably two significantly different situations to account for,...
32
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1answer
51k views

How can I restore my wallet?

I just purchased a new laptop and I want to decommission my old one. I have a back-up of my wallet.dat file copied to my new PC. What do I need to do to restore it to my Bitcoin (Windows) client? ...
0
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1answer
44 views

Can't decrypt bitcoin core wallet, did I made a backup at the wrong time?

I am confused on why my bitcoin core wallet password would not work. I am 90% sure I tried the right password(s). wallet has many receiving addresses (10 000), I generated them with Linux from ...
2
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2answers
346 views

I forgot which software I created my wallet with. How can I recover from a 12 word seed phrase?

I purchased bitcoin through a bitcoin ATM, and I opened a new wallet on the spot. On getting home my phone was mysteriously wiped, how can I find the wallet I created? I happened to write down the ...
2
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1answer
97 views

old wallet.dat with only incoming tx from mining, now shows 0 coins even after rescan and all the transactions are there

I found an old wallet.dat it contained hundreds of transactions while i was mining. I've replaced the wallet.dat in a new Bitcoin Core wallet, rescanned, all the txid are showing but the amount of ...
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0answers
16 views

Where do I start to deposit my cash [duplicate]

I'm so new to bitcoin and I'm a little lost in how it works where can I find answers about this amazing exchange
1
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1answer
69 views

Bitcoin multisig contract - to Lock coins with nTimeLock (BIP65)

I really need help. I am currently Developing a Bitcoin wallet and want to build in a SMS Based send function where the sender does not need to know the receiver publicKey. After the contract get ...
0
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1answer
69 views

Bitcoin wallet website

I am new in bitcoin. I am developing a PHP website to let users build their wallet on my website. I want to give every user a wallet. I do not want to give users private keys. I keep private keys, so ...
0
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1answer
40 views

Lost / Forgotten Wallet?

I have this issue I have... When I first started using crypto currencys I used a lot of wallets ... etc trying to get a feel for what I wanted.. so ... Now I have a wallet that reads . 01 BTC balance ...
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3answers
495 views

How can a 24 word seed know when I added or removed wallets at a later point?

Since I do not have 50 Rep points I had to post my question this way! This is an answer by "https://bitcoin.stackexchange.com/users/56917/rstack" to the question "How do Ledger Backups get stored?" "...
40
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2answers
6k views

What is the coin selection algorithm?

When creating a transaction in the standard client, what is the algorithm used to determine which unspent outputs will be used as inputs? Has this changed since the first version? What different ...
2
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1answer
58 views

What prevent a smartphone wallet from downloading my keys

Wallet software use variant technologies to protect and hide our private keys like mnemonic or simply using the private keys. What would prevent them from making a patch to their software that will ...