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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1 answer
274 views

I have the phrase words but I donot know which words shall i insert to get my wallet back , what shall I do?

Trust wallet I have my 12 phrase but I am not able to get my trust wallet back
2 votes
1 answer
98 views

What does a wallet do?

What are the actual requirements for a bitcoin transaction? Not the simple inputs, outputs, verification or amounts, but in the technical sense; what does your wallet do? Everything I read says you ...
3 votes
1 answer
1k views

Different address prefixes for different address types / network combinations

I'm working on a bitcoin project, and understand the differences between the wallet address which start with 1, 3, or bc1. I am looking to generate a wallet address that starts with 1. I have seen the ...
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Create a watch only wallet descriptor with bitcoin core

Trying to create a watch only wallet descriptor in bitcoin core client. bitcoin-cli -named createwallet wallet_name=mywallet descriptors=true This just returns an error: method not found. Furthermore ...
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2 answers
101 views

Recover BTC from seed

I wonder if you can help me. I have my 17 word seed (yes 17 words) and my wallet crypto address and I can see my crypto on the blockchain under that address. How do I restore my wallet with the above ...
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1 answer
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wallet.dat corrupt. Try using the wallet tool bitcoin-wallet to salvage or restoring a backup

I'm trying to restore an old wallet, using bitcoin-qt 0.21 but I'm getting the following error on startup: wallet.dat corrupt. Try using the wallet tool bitcoin-wallet to salvage or restoring a backup ...
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1 vote
1 answer
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How to share your wallet key/seed in case you are hit by a bus

This very useful answer says: Share overlapping parts of your private-key or seed phrase with several family members with instructions on what to do if you are hit by a bus this afternoon. This ...
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1 answer
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Transferring bitcoin from old bitcoin core wallet to electrum

I have a 7 year old wallet.dat file that was created by the bitcoin-qt program (https://bitcoin.org/en/bitcoin-core/). Downloading the blockchain takes too long and I experienced that the downloaded ...
1 vote
1 answer
74 views

What a completely-decentralized cryptocurrency might look like

It occurred to me that a more useful cryptocurrency would be one which didn't require a network to validate transactions. It would consist of some kind of (self-mined?) token that can be proven to be ...
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1 answer
136 views

Multisig Setup - Pruned Bitcoin Core on Computer vs. Dedicated Hardware

Are there security implications of running a pruned Bitcoin Core node on a personal computer vs. a full Bitcoin Core node on a dedicated hardware device (i.e. Raspberry Pie with Umbrel, myNode, nodl, ...
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1 answer
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Can someone recognize any two addresses (generated by hardware wallet) come from the same hardware wallet/mnemonic seed?

Can someone recognize any two addresses (generated by hardware wallet) come from the same hardware wallet/mnemonic seed?If I generate multiple cryptocurrency accounts/addresses in ledger live,is it ...
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-2 votes
1 answer
69 views

Multisig Wallet Setup - Security Tradeoffs With Pruned Bitcoin Core Node?

What are the security tradeoffs of running a pruned Bitcoin Core node for a multisig wallet, such as Specter? It seems that using a multisig wallet with a pruned Bitcoin Core node could be a good ...
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1 answer
248 views

Help about BitlyCore

Please I need help. I want to know if anyone knows about BitlyCore.com I have been running the full block for days now and it's just stuck at 87% please I need help.
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1 answer
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I bought bitcoin years ago and now the website that I bought from is unavailable!

I bought bitcoin years ago and now the website that I bought from is unavailable! I only have a key that I don't even know whether it's a public key or a private key or some useless key generated by ...
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1 answer
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Address that can pay "commission"?

There is a use case where person A needs to send person B, .9 BTC. Person C, who set up the transaction, should get .1 BTC as commission. I know this is possible to do with a traditional "...
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Secure Bitcoin Core [duplicate]

For example, take two PC (online, offline) with the last Bitcoin Core. Online PC has only public keys and the updated blockchain. It will use to watching for balance and create and send transactions. ...
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1 vote
2 answers
485 views

How to transfer BTC from desktop wallet to mobile wallet (without fees), say using Electrum or Bitcoin Core

I have both Bitcoin Core & Electrum wallets installed on both my desktop & mobile. How do I transfer BTCs from respective desktop to mobile wallets (& vice-versa) directly (i.e., not thru ...
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1 answer
59 views

Shared crypto hardware wallet

We were all newbs at the beginning, and did things the wrong way. My partner and I bought crypto separately with our own exchange accounts, but transferred our hodl coins to a single shared hardward ...
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0 answers
117 views

Private key of 44 chars? (old Blockchain.info wallet)

I'm trying to sweep some coins from an old (blockchain.info) wallet. I decoded the wallet I have and it gave a private key as a 44 char alphanumeric string starting with 9. This doesn't seem to be a ...
1 vote
0 answers
75 views

Bitcoin Core Wallet - Invalid Transaction [closed]

A few months ago I tried to transfer my bitcoin but the transaction fee was too low which resulted in an Invalid Transaction. After eading about similar problems in this forum it is clear to me that ...
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0 answers
35 views

Unuseful backup

I know wallet.dat needs to do back up every time after I am going a transaction, 'because the backup will become unuseful. After what else cases do I need to do backup again? What cases do my last ...
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1 vote
1 answer
46 views

If I buy crypto on a third party site, such as Coinbase or any other sites, how do I safely transfer my wallet into an external 'cold wallet'?

By cold wallet, I mean any type of encrypted USB etc. If this isn't possible how would I buy crypto and then be able to store it on a USB in the first place? This may be a stupid question but I'm kind ...
0 votes
3 answers
454 views

Signing transactions can not find private key

Please I need help. I have made an transaction online using bitcoin, but the order cancelled and now my bitcoins are stuck. I've been using coinb.in the first time a while ago and was able to do it ...
2 votes
1 answer
677 views

What do the options in Bitcoin Core's wallet creation mean?

I'm a newbie and today I have wanted to create a new wallet and I have confused when Bitcoin Core (v. 0.21) has asked me for additional information. It asks me: Encrypt wallet - Encrypt wallet by a ...
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0 answers
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Recovering Dogecoin and Bitcoin wallets [duplicate]

Back in 2014 I purchased a million Dogecoin and half a Bitcoin. Long story short I dropped my MacBook Pro causing damage to the hard drive. Stupidly I hadn’t backed up the wallets and even more ...
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1 answer
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How do I restore the public key?

Let say, I create wallet and have two public key and one private key. And I remove the first public key from the wallet. Can I restore and use my first key again? Or it's removed at all. Sorry for the ...
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"Sweep failed" message when sweeping a paper wallet into a Bitcoin.com wallet

I have a bunch of coin in BTC cold storage (paper wallets). And for the life of me, I cannot figure out how to sweep them out of there. The best attempt I've had so far was to download the Bitcoin....
2 votes
3 answers
300 views

Is it possible that malicious bitcoin wallet providers provide pre-generated private-keys for users?

We trust wallets like Ledger, Trezor, and etc. We believe the math that the randomly generated private keys are safe. But could it be possible that the private keys you thought are “generated” are ...
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1 vote
2 answers
78 views

Actively display wallet funds on web page - how?

I am working on a project where people can contribute to the project in Bitcoin or Ethereum. For each I need a way to be able to display an active balance in each currency's wallet. Something along ...
0 votes
1 answer
126 views

BTC Treasure Hunt Volume 2

Similar to Whoiszo, I too am helping a friend locate a bitcoin treasure. In a period between 2010 and 2011 my friend owned a blackberry curve 8330. At the time she was into some online gambling and ...
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3 votes
1 answer
135 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 ...
0 votes
1 answer
21 views

generating random pair key has standard?

If a crypto wallet generates all pair key between small range for example between 1-100, the risk and possibility of creating the same key is an increase. Generating random pair keys for ...
0 votes
2 answers
2k views

if the hardware wallet company ledger goes out of business, what will happen to my crypto asset / private keys in ledger?

if the hardware wallet company ledger goes out of business, what will happen to my crypto asset / private keys in ledger? I heard that the hardware wallet ledger is not open-source, so will the ...
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0 votes
1 answer
257 views

I used edge wallet to send my bitcoin from my wallet to my cash app but i used a low fee soo its been unconfirmed for 10 days what can i do? [duplicate]

My transaction 5c8552a6744b3428d3ec4b5c0dd8b378ffeb4efd703b76a2b9d106250234d766 Has been unconfirmed for 10 days is there anything I can do to get it confirmed or do I just have to wait?
0 votes
1 answer
96 views

Are JBOK wallets used at all?

JBOK (just a bunch of keys) wallets generate the keys independently from each other. In contrast, HD wallets are hierarchical and deterministic: They need a seed (e.g. a couple of words) and can ...
0 votes
1 answer
277 views

Bitcoin Core Wallet doesn't accept my passphrase

I am using Bitcoin Core Wallet .21 and have encrypted my wallet. When I try to send some coins it asks for the passphrase, which it says is incorrect. I have only ever used one of two passphrases and ...
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0 votes
1 answer
105 views

Found Bitcoin Core Wallet with unconfirmed Transactions, anything to salvage? [duplicate]

I am currently looking through old .dat files and found a wallet with two "Received with" transactions that are unconfirmed. When I enter the address from the Label on blockchain.info the ...
0 votes
1 answer
53 views

I can not find a clear mathematical proof method with details and example for "near to zero chance of generating the same pair key wallet"

A mathematical proof method with details for "near to zero chance of generating the same pair key wallet" I can not find a clear mathematical proof for the top sentence with example
1 vote
2 answers
42 views

Migration of wallet accounts to labels

I have multiple accounts on older bitcoin core version (0.16.3) but in order to move to newer releases I must migrate accounts to new label format with additional database which hold each account ...
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0 votes
1 answer
50 views

How is wallet balance from unspent transactions in cryptography terms?

There is already a good almost complete answer here (but missing the cryptography explanation): How is a wallet's balance computed? Is a bitcoin wallets balance calculated on the client computer ...
1 vote
4 answers
250 views

If the computer that stores the bitcoin is destroyed, how does someone access their bitcoin?

I have seen people say that you just need the private key and "some software" to recover your bitcoin. What does this actually mean in the real world? Can someone give an example? Also, if ...
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0 votes
1 answer
257 views

Error compile bitcoin mac OS

I have straggle to compile bitcoin core on mac OS machine. it has an error as the following: /usr/local/include/QtCore/qglobal.h:667:65: error: expected '>' typename = std::enable_if_t<...
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0 votes
1 answer
214 views

Create wallets on website PHP

I am trying to create a website that allows the deposit of cryptocurrencies (BTC / ETH / LTC) in the account, consequently I need to create a wallet at the personal registration for each of these 3 ...
-1 votes
1 answer
56 views

BTC on blockchain

I see my Wallet address on the Blockchain but it says spent and what does that mean? It did not arrive to the wallet i sent it too! I need it to be located and returned or sent to the wallet i gave.
1 vote
1 answer
88 views

Is it actually possible to secure your coins while also allowing access to "near and dear" when you die?

I have my wallet.dat files encrypted, stored on a computer which in turn is encrypted. All storage devices where the files are backed up to are also encrypted. I strongly doubt that any human could ...
0 votes
1 answer
160 views

Is it possible to send Bitcoin without the passphrase to the wallet?

I’ve been getting back into cryptocurrency lately, and I’ve found one of my old wallet.dat files with a very small amount of BTC. Unfortunately, I created a random password of characters and put it ...
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0 votes
1 answer
301 views

Address reuse, cold storage and private keys [duplicate]

I was going through some old posts regarding address reuse and came across a few remarks I wasn't aware of, and want to make sure I understood correctly. I knew address reuse wasn't the best for ...
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0 votes
1 answer
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How to 'buy the dip' without constantly incurring network fees?

I'm a newby to the crypto world and one thing that I have seen a lot of is people saying to 'buy the dip!'. Fair enough, I like that idea. However, I have limited funds, and so thought that the best ...
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1 answer
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Can i still use the old address to recieve Bitcoin with Bitcoin.com Wallet

I tried Cloud Minning recently And I use Bitcoin.com Wallet to register bitcoinonlinepool.com, today I accidentally press the change address button, will my account still able to recieve Bitcoin? Btw, ...
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0 answers
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Sent money from Bitcoin Core to mobile Electrum and for 3 days can`t recieve it

3 days ago I made transaction from my Bitcoin Core to my mobile Electrum but I didn't receive any money yet. I can't see this transaction in Electrum and on Blockain,Tradeblock either, however, ...

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