Questions tagged [wallet]

A wallet manages a user's private keys. Wallet software is used to send and receive Bitcoin. It also keeps track of the user's transactions, addresses, and balance.

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Which wallets are spending P2TR with SIGHASH_ALL?

I noticed there are quite a lot of transactions spending taproot key path inputs that use SIGHASH_ALL instead of SIGHASH_DEFAULT in signatures (around 20% in the last two weeks). Recall that ...
Vojtěch Strnad's user avatar
5 votes
0 answers
170 views

How to approach building a custom UTXO index on top of a full-node

I want to avoid physically importing addresses into a wallet. I want to write a UTXO indexing system on a per-address basis. I often wonder how a wallet can keep track of all of its addresses' UTXOs, ...
Anonona's user avatar
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Do I have to backup ~/.cashu/wallet/wallet.sqlite3 of my nutshell wallet in order to backup my ecash tokens?

Upon inspection with sqlite, wallet.sqlite3 has following tables: balance dbversions keysets proofs seed balance_used invoices nostr proofs_used. As a wallet holder, do I need to back up the file ...
John Smith's user avatar
4 votes
1 answer
159 views

Problems with multiple wallets on RPC in bitcoin-core

I have been playing around a bit with Bitcoin Core (version 23.0), more specifically connecting to different wallets in Bitcoin Core through RPC in Python. I have found this library and tried to ...
chilixxd's user avatar
4 votes
2 answers
688 views

Wallets that support payment channels?

I know that maybe it's a bit early to start asking Wallets to implement Lightning Network connections even if the majority don't support SegregatedWitness yet. But how about Payment Channels? In ...
knocte's user avatar
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3 votes
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100 views

Schnorr signature key storage

So everyone talks about Schnorr signatures and Taproot when talking about Bitcoin. I would like to know if there is any standard that they will use to store the keys used in this algorithm. And also I ...
Razvan Marian's user avatar
3 votes
0 answers
330 views

Is it possible to use Bitcoin-core for multisig? Can it handle change addresses?

I have tried to import three xpub in a watch-only wallet as keypool with importmulti and a multisig output descriptor and to fill the first address with some BTCs. When I try to spend the newly ...
Gabriele Domenichini's user avatar
3 votes
0 answers
580 views

Blockchain.info may have created a bad private key

A few weeks back, a client wanted to pay me in bitcoin so I created an account at blockchain.info. The transaction went through and the coins show in my account. When I tried to use it however, I ...
Prity's user avatar
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3 votes
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416 views

Cannot obtain a lock - Already deleted lock file

I am trying to open Bitcoin Core of "Cannot obtain a lock on C:User/App..." I deleted the lock. file like previously suggested but cannot find a solution after that! If I reinstall will I loose the ...
Finn's user avatar
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3 votes
0 answers
405 views

Is it possible to import transaction history from an old electrum wallet to a new electrum wallet?

I see there is an option to export history but no option to import history. It would be nice to keep all my history in one wallet. Thx.
CapR's user avatar
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3 votes
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Proving the address belongs to a shared wallet where one can control some deposits and withdrawals

A bitcoin exchange is using a shared web wallet where its users deposits and withdraw bitcoins. The withdrawal transactions are merged, so that the pending transactions of several users are grouped ...
Mikko Ohtamaa's user avatar
3 votes
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186 views

Is anyone mathematically adding a Brain Wallet key with a hosted wallet (like vanitygen) for extra security?

This question is inspired by how the Vanity Gen pool operates. Basically there are two sets of keys and addresses: one that is stored at the Wallet hosting provider, the other set is derived from a ...
makerofthings7's user avatar
3 votes
1 answer
447 views

Deterministic Wallet Step By Step

I'm reading about deterministic wallets, I get the point, but it get's confusing when you actually start setting up things. I have to install support for generating "whatever"-coin addresses on a ...
boris22's user avatar
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2 votes
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25 views

Dump wallet with only watch-only addresses

I have two wallets on a bitcoind node that consist entirely of watch-only addresses I have added with importaddress over time. I now want to merge these two wallets into one. My initial thought was to ...
thalisk's user avatar
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2 votes
1 answer
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How do Bitcoin Wallets Maintain Address Balances?

Does a Bitcoin software wallet (not the Bitcoin core wallet) read the entire blockchain to gather balance information? Or does it read the UTXO set? Or some other data source? Does it need to read it ...
Jamie's user avatar
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2 votes
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HD wallet usage in Bitcoin & Lightning combined wallets

Is there a best practice / recommendation for a Bitcoin & Lightning combined wallet, regarding the HD wallet used in the Bitcoin wallet and the HD wallet used in the Lightning wallet? no relation,...
OptOut's user avatar
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2 votes
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How to connect Sparrow wallet to Bitcoin Core on a different machine but the same network

I have a Raspiblitz set up on a Pi 4 and am trying to connect Sparrow wallet to Bitcoin Core from another machine on the same network. I have read through the instructions at sparrow.com/docs but ...
Alex's user avatar
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2 votes
0 answers
357 views

Transfer Bitcoin Core data into a database

I've downloaded Bitcoin data locally via the Bitcoin Core app install and sync. I'm looking to build a system though which users can query their account balance. I'm thinking of building a simple web ...
kdas's user avatar
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2 votes
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How to "create new receiving address" from recently installed full node, (0.21.0) with new encrypted wallet?

On March 11th, 2021, I completed my downloaded of the full node from Bitcoin Core, (Bitcoin-0.21.0-win64-setup), on my Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz - 16.0GB, Windows 10Pro. I created a ...
CactusPete20 's user avatar
2 votes
0 answers
93 views

How to split a Bitcoin Core wallet

I have an 'omnibus' wallet.dat which holds balances for multiple parties which I would like to disentangle and split. The UTXOs are not blended, each UTXO is owned by a given party in whole and there ...
ozpac's user avatar
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2 votes
0 answers
449 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 ...
FiNaR's user avatar
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2 votes
0 answers
421 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 ...
Lance's user avatar
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2 votes
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190 views

How to load multiple wallet ? Proper way to handle multiple wallet like account wise wallet

I am trying understand the multiple wallet.I took the reference from this link What I want to do ? Right now in single wallet we can create multiple accounts and each accounts can have multiple ...
user1140237's user avatar
2 votes
0 answers
41 views

bitcoin addresses in one wallet

How do explorers like https://www.walletexplorer.com/ recognize all addresses in one wallet? What is the relationship between addresses in wallet?
Mahla's user avatar
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2 votes
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66 views

Wallet's role in a double spend attack

How does my wallet allow me to double spend? As soon as I make a payment, shouldn't my wallet delete those bitcoins or does it leave them until the transaction is added into the blockchain?
rahs's user avatar
  • 157
2 votes
0 answers
502 views

Stateless vs Stateful wallets

Stateless wallet are wallets that do not store any information locally on the device. Stateful wallets are wallets that store information such as index of unused address. According to my ...
Infinity's user avatar
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2 votes
0 answers
331 views

Multicoin wallets with programmable API

Does there really not exist a web multicoin wallet that has a programmable API that can be used by apps to send transactions? It is common practice to authorize your credit card in an app so that it ...
Fabis's user avatar
  • 121
2 votes
0 answers
42 views

EtherDelta confusion

I recently bought EtherDoge from EtherDelta and the amount of tokens I received in my wallet shows as something like 10000010000000. The EtherDoge website shows the total supply of EDOGE as 100 ...
Dom's user avatar
  • 21
2 votes
0 answers
724 views

Differences between types of paper wallets at bitaddress.org

What are the differences between the different types of paper wallets offered at bitaddress.org? I think the same question applies for the paper wallets offered at bitcoinpaperwallet.com. On ...
User X's user avatar
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2 votes
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460 views

What is the smallest ubuntu virtualbox image to run cryptocurrency software on?

I'm looking to do all my crypto related stuff like storing coins and managing my coin wallets inside a virtualbox. I plan to use ubuntu as it seems most friendly with many crypto coins. What is the ...
Patoshi パトシ's user avatar
2 votes
0 answers
96 views

How do you apply “-zapwallettxes” for multbit 0.5.15

I made a transaction a few months ago but the transaction is still not confirmed, the Bitcoins are debited from my account and the balance in my wallet is zero. Information on the transaction The ...
Martijn's user avatar
  • 21
2 votes
1 answer
791 views

Problems restoring wallet

First of all .. yes im stupid. Now .. I had some BTC a few years ago. Thought I had kept it safe, now I seem to have reinstalled the OS on that PC and wiped profile folder. I looked around for a ...
Dudeski's user avatar
  • 21
2 votes
0 answers
243 views

Can't access Blockchain.info API using ASP.NET

I am using ASP.NET(VB) to call API Try Dim strUrl As String = "https://blockchain.info/tobtc?currency=USD&value=500" Dim request As WebRequest = HttpWebRequest.Create(...
Yusuf's user avatar
  • 21
2 votes
0 answers
240 views

Editing bitcoinJ for Android Altcoin App

So there is an altcoin created by another party and i want to edit the bitcoin-wallet app for android so that it connects to the new network. Is it enough to edit core/params/MainNetParams.java in ...
Victor Benetatos's user avatar
2 votes
0 answers
726 views

help my Bitcoin core wallet won't sync

more Bitcoin core won't synchronize with network but my wallet has a balance of 0.00 it I have done transactions that reply back as true and if I do balance for those addresses it shows transactions ...
kylie sams's user avatar
2 votes
0 answers
356 views

How can I add an old Bitcoin wallet address from Bitcoin Core to MultiBit HD?

I have a wallet with Bitcoin Core. I have used that address on various sites to receive payments from them. I want to add that address to my account on my MultiBit HD program so it will just carry ...
Pooka218's user avatar
2 votes
0 answers
614 views

Coinbase lost my transaction from Bitstamp

I'm moving my coins out of Bitstamp I was looking for another exchange. I have sent 0.00007 BTC to just test the transaction. I got the address where I want to send coins to from coinbase.com/...
Freddy's user avatar
  • 145
2 votes
0 answers
772 views

Ws2tcpip.h and winsock2.h on Window QT Wallet

Been trying for the past few days but couldn't get it working, I already download the latest cryptopp library but its seems that maxcoin got some issue compiling If I qmake "USE_UPNP=-" maxcoin-qt....
user2982001's user avatar
2 votes
0 answers
458 views

Bitcoins deducted from Multibit wallet but nothing was sent

I sent 1 bitcoin FROM Multibit wallet TO this address 19xQJNmK3Ys4pXwMh11mwdfky4wNsNDj1Z. The transaction was stuck at "Seen by 1 peer, not confirmed" for more than 7 hours. Checking blockchain....
rgeorgy's user avatar
  • 21
2 votes
0 answers
105 views

System error Database 1/0 error

I just updated my btc wallet to 0.8.1, I think, to a macbook. Now I can't open it, I keep getting an error message that says "System error Database 1/0 error"? I'm fairly technically illiterate so any ...
Steven's user avatar
  • 21
2 votes
0 answers
286 views

Is there a way to import a private key already protected with the passphrase?

Let's say I have a hot wallet that has passphrase encryption enabled. Then let's say a large withdrawal needs to occur but the hot wallet has insufficient funds and a transfer from cold storage is ...
Stephen Gornick's user avatar
2 votes
0 answers
268 views

Is anyone working on / has implemented a "two-factor paper wallet"?

I just created this wiki page. I'm coining the term here, I think ... not sure what was it called when discussed on Bitcointalk. My question is: Has anyone implemented this "2 factor paper wallet"? ...
ripper234's user avatar
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2 votes
1 answer
255 views

Can I spend from multiple wallets in Electrum (or somehow import/merge them)?

Is it possible, in Electrum, to merge wallets, and or do a transfer using multiple wallet keys? I have some dust in a wallet and would like to get it out. I'm hoping I can easily incorporate it into ...
edA-qa mort-ora-y's user avatar
2 votes
2 answers
579 views

What Bitcoin wallet will allow me to participate in an ICO?

I have bitcoins stored in an online Coinbase wallet. I've read this wallet should not be used for investing in an ICO as this will be Coinbase's wallet (not mine) and I won't have access to the ...
lostdorje's user avatar
  • 121
1 vote
1 answer
43 views

getbalances rpc call timeout

I have a Bitcoin node having over 800K addresses. Recently I have been facing an issue with getbalances RPC call as it times out. I am using timeout as 100 seconds. I can see that if I increase the ...
Arshad Munir's user avatar
1 vote
1 answer
68 views

Can I still use old wallets after pruning?

I want to move my node to a laptop with less than 70gb free space. Would pruning make wallets older than pruned blocks unusable? If that is not an issue, what files should I copy to my new node in ...
hashimov's user avatar
1 vote
0 answers
85 views

Cannot import multisignature descriptor in Bitcoin Core

I created a multisignature address in regtest: ADDR_1=`bitcoin-cli getnewaddress "" "bech32"` ADDR_2=`bitcoin-cli getnewaddress "" "bech32"` PB1=$(bitcoin-cli -...
monkeyUser's user avatar
1 vote
0 answers
40 views

Sign unsigned transaction with TrustWalletCore Swift

I'm trying to understand how we can sign unsigned transaction in hex format. We use TrustWalletCore, I receive an unsigned tx in hex format, then we decode it to data with let dataToSign = Data(hex: ...
Sergey Udalov's user avatar
1 vote
1 answer
397 views

Webpack issue with tiny-secp256k1 and ECPair

I am developing a browser extension using Webpack v5 and incorporating the bitcoinjs-lib and ecpair libraries to create a Bitcoin wallet. However, I am encountering an error when attempting to load ...
Vaibhav Patel's user avatar
1 vote
0 answers
121 views

multisig vs singlesig

Due to the Ledger debacle I have purchased a Coldcard hardware wallet. I made this decision partly based on watching the Antonopoulos live stream last week. Until now I have backed up my bitcoin on a ...
Sam's user avatar
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