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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How to watch label address for new incoming deposit?

I am trying to build my crypto exchanger and automate the process of receive coins and automate send the coin to the user .. I have web host vps and I have vps which contain wallet, I am generating ...
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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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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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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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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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Wallet files are empty

I started Bitcoin Core 0.20.0 and allowed it to sync with the network. The synchronization was completed. However my balance is 0.00 and all transaction history is missing. I tried to troubleshoot ...
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2answers
39 views

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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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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40 views

Understanding how balances work

So I'm running the btcd node and wallet in simnet. I've generated more than 100 blocks. I've a few accounts on the same wallet. The list of the accounts: $ btcctl --rpcuser=foo --rpcpass=123456 --...
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Online BTC wallet implemention with bitcoin-core

I have written a php code to register users and create wallet for them on bitcoin-core full node.My question is how can i manage users wallets.if i use loadwallet to load USER A wallet and get address ...
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Pruning Blockstore has been running for days

After activating the core (Testnet - Pruned) with the command bitcoin-qt i received the following error: Corrupt Block Database I restarted the synchronization always using the Pruned mode. The core ...
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40 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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How do I transfer my bitcoins from my localbitcoin.com wallet to my bitcoinWallet.com?

I have 2 bitcoin wallets ie localbitcoin.com wallet and bitcoinWallet.com and I want to transfer bitcoins from localbitcoin.com wallet to bitcoinWallet.com how do I go about it?
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Private Key has no fund

I tried to import my private key from the BTC Core Wallet into another wallet because it doesn't work anymore, it says that there is no fund, even if it is 100%, as I can see on the Explorer. I ...
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27 views

Implement HD Walet Full Node

I have set up a full node on my server. Now, I want to make use of HD wallet methods? How I generate an address for admin - Master address How I generate addresses for customers - Child address ...
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1answer
39 views

Cannot open wallet dump file (code-8)

Does anyone know why I can't dump info into a text file? It also doesn't allow me to back up my wallet. i am using SNAP
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Best way move funds from multiple wallets to single wallet?

Let's say I have 5 Bitcoin wallets, Wallet-A,B,C,D,E I have a master wallet, Wallet M What is the best way to automatically move funds from [A-E] => M Or is there any similar solution to this ...
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96 views

I cant open my bitcoin wallet

After a few days I have inserted my external hard drive where I have installed the wallet with my btc to update it. Giving the .exe "Bitcoin-qt" would normally directly open my wallet and start ...
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23 views

Fund single output in PSBT with bitcoind

I would like to create a PSBT with a single output (P2WSH with a given/predefined amount) in an app and give that to the user. The user should then be able to fund this PSBT with the help of bitcoind ...
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42 views

Step by Step to Connect to ElectrumX via Nodejs

I am developing a simple app that will need to retrieve BTC wallet Address Balance and relative transactions Initially I thought to use some existing APIs (btc.com, blockchain.com etc.), but the ...
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I can not install a new MAC OS wallet bitcoin-qt

I launch the wallet, the block index starts loading, then blocks are rewound, then 1% and after the wallet crashes, what should I do ?
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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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Question about public addresses

2009 btc private key but no address. I was given btc in 2009 and also mined for a few weeks too. My dad still had every hard drive he has ever used. So i have found a couple of files that have ...
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59 views

Cryptocurrency wallet passphrase 10 word?

I have a pass phrase with 10 words but can't remember what wallet I used, an every one I have tried is 12. Does anyone know ?
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2answers
150 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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1answer
30 views

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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57 views

How to run bitcoin core in the cloud with virtual server?

can you please explain to me, or link me to other understandable sources, how you can use bitcoin core with a cloud provider? My intent is to not physically have an own server but to use a cloud ...
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1answer
59 views

How to use bitcoin from the command line in Windows?

Do there exist any stable and audited bitcoin wallets that can be used from the cli on Windows? I have looked but have been unable to find any that I can use for automated tasks.
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80 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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Centralized wallet systems - which methods exist to circumvent a malicious wallet provider?

I have a question about centralized wallet providers. Before I ask, I provide you my definition of "centralized": In this context, I mean by "centralized" that a wallet is ...
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1answer
159 views

Bcoiner wallet - balance is showing as zero?

please help! I sent to my wallet 450 dolars of bitcoin, and transactions are confirmed strongly 62 times, but my wallet says that I have 0 bitcoins to spent and I cant sell it!!! What to do? Whats ...
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47 views

transfer btc core wallet to electrum

I am running a btc node and it is taking too long to sync. Is there any way to transfer the wallet to an electrum wallet? If so how? 1)Upgraded my btc node 2)Syncing 3)Transfer receiving addresses ...
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How to communicate with Bitcoin core 0.17 using bitcoinj for hd wallet creation?

Hi am building one hobby project and i want to perform some operations in my own bitcoin core 0.17 by using bitcoinj lib. so is there any way by which we can use bitcoin-core 0.17,bitcoinj for hd ...
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Is the Blockchain.com online wallet listed on Bitcoin.org website?

I can not found the Blockchain.com online web wallet on the Bitcoin.org website, e.g. following this: https://bitcoin.org/en/choose-your-wallet?step=5&platform=web&user=experienced
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Bitcoin wallet to be integrated into a Webapp

Does anyone know if exist a Bitcoin wallet that allows to be integrated into a Webapp? I mean a kind of Metamask for Bitcoin. What I should do is develop a Dapp that allows the user to send txs from ...
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29 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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40 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
43 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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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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27 views

How do lightweight nodes and SPV wallets calculate balances?

Can they do it? Or they "talk" to a full node for that purpose and are used only for mining purposes? Thanks in advance for your answers.
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Inserting *.dat file in new client

I'm running out of ideas and I'm hoping to get some help. My computer crashed but I have the wallet.dat file on a thumb drive. I've downloaded and synced v0.18.1 on a new computer but don't see any ...
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1answer
74 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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165 views

Where is the AES-256 key/ IV pair stored in wallet.dat file?

I have created an encrypted bitcoin file. I know the password and I see the mkey in the hex dump. I would like to know where the AES key / IV pair are located in the wallet.dat file?
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how to convert protobuf wallet format into private keys

firstly, i did this step "enc -d -aes-256-cbc -a -in bitcoin-wallet-backup > bitcoin_decrypted" in openssl and entered the password it gave me org.bitcoin.production so i guess my password worked and ...
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Bitcoins and transactions missing

I had a wallet which had approx $660 worth of bitcoin somewhere around 0.05 BTC and all of a sudden it has vanished and my transaction tab shows nothing. I have put my receiving address into the ...
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1answer
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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
102 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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618 views

cant send btc, Uneconomical UTXO requested

Im trying to send btc worth of 2$ and i keep getting message "Uneconomical UTXO requested [type: 1 (limit 46629), txOut.val: 38546, required: 83847]" i even tried sending 1$ but its still the same can ...
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1answer
274 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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40 views

Bitcoin core wallet replication

I have a bitcoin core full node with a wallet on VPS. I use my own script to connect to the RPC. The script works on another VPS. Sometimes bitcoin VPS goes offline. Once the recovery took a long ...