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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3answers
994 views

Is there a limit to how long a wallet can be offline?

I have a wallet file I backed up June 2011, and has been offline for over a year now. When I copied it back into where the files are stored with the official client, it says my balance is 0, with no ...
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3answers
49k views

Is it safe to store all my coins on Coinbase?

Is it safe to store my coins (BTC & ETH) on the Coinbase platform or is it safer to download a wallet to keep them in?
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8answers
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How do I extract my private keys from a protobuf wallet?

Recent changes to Andreas Schildbach's Bitcoin client for Android have removed the option to export private keys. This has been replaced by an option to back up the entire wallet. Unfortunately, the ...
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1answer
2k views

Wallet balance zero after restoring wallet.dat

I recently restored my wallet.dat file from another machine. The wallet.dat came from a Linux machine (debian), and was restored to a Windows bitcoin install. After restoring I can see the correct ...
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3answers
53k views

I can't find my bitcoin address and my bitcoin core is out of sync by 3 years

Hey guys I am a newbie at Bitcoin just recently found out about it. I downloaded Bitcoin core; I encrypted the wallet; I created a backup folder, but it is out of sync by 3 years 4 weeks and i can't ...
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2answers
1k views

Are private keys published to the blockchain after spending coins from a wallet?

Always I spend coins the final balance of the address that is used for transaction will go to zero. The remaining coins comes back as a change to a new address. Will this indicate that the private key ...
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2answers
567 views

How can importprivkey compromise wallet security when importing a publicly known private key?

A question was asked on reddit over here which I gave a reply: https://www.reddit.com/r/Bitcoin/comments/3khrvm/how_do_i_use_private_keys_to_receive_bitcoin/ However, luke-jr replies with: Don't ...
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6answers
13k views

Export wallet from Multibit to Electrum

So, MultiBit is not updating the transactions in my wallet, I can see the transactions in the blockchain etc, so the money is there but its just not quite working... I'm hoping to load that wallet ...
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3answers
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At what point is a new wallet known by the Bitcoin network?

I was just showing a deterministic wallet to a friend who asked "At what point is the wallet known to the network?" and I could only guess by saying that it is known only when a transaction is ...
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2answers
8k views

What exactly happens when a new wallet is created?

I am asking for what is being created when there is a new wallet created. And the second part of my question is considering public key. Is the public key the same thing as the address? I read that ...
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3answers
4k views

What is the best way to recover from an accidental double-spend?

Came across an issue where I was given the message: "Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of ...
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2answers
2k views

How many addresses can be handled reliable in one wallet?

I am working on a project which may end up generating a few hundred (or even more) bitcoin addresses a day. From my understanding in theory there is no limit on the number of bitcoin addresses in a ...
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Claim Bitcoin cash from android bitcoin app

I have some bitcoin stored in the bitcoin wallet android app I want to transfer my inherited Bitcoin Cash (BCC) to an exchange. The android app doesn't care about BCC. I tried to decode a backup of ...
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2answers
281 views

How can I use bitcoins on deposit?

I had received bitcoins before my wallet was fully synchronized and it took several days for it to finish the process, so I decided to deposit the bitcoins in another wallet. Now I can see they are "...
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2answers
58k views

Transferring Bitcoins from Wallet to Wallet

Say I buy a Bitcoin from a specific market, like BTC-e, and it goes into my wallet. Is it possible for me to transfer that Bitcoin from its current wallet (BTC-e) into a wallet that I have on another ...
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4answers
4k views

Secure way to store BTC over a long time - and its risks?

What are the most secure way to store a huge amount of BTC over a long time and its (detailed) risks? A other assumption is that the owner does not have a very technical background, thus it will not ...
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3answers
3k views

Can a wallet allow you to receive Bitcoins from the same wallet you send them from?

Can a wallet allow you to receive Bitcoins from the same wallet you send them from, and if so, why would there be some reason why this shouldn't be done.
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2answers
4k views

Can wallets be shared by different machines?

I have a bitcoin client installed on machine one. Let's say it has 5 coins in there. I then have another machine, with another client on it. Can both machines see the same wallet? Do I have to have a ...
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3answers
636 views

How does restoring an HD wallet work?

I was trying to learn working of bitcoin and trying to understand the working of bitcoin wallet. I can see the behavior of how an HD wallet starts with an address and adds additional addresses later ...
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2answers
1k views

Retrieving all the funds from BIP32 derived wallets

An ecommerce site is using BIP32 wallets for receiving order payments from a tree of child keys where each leaf node is unique to one purchase transaction. Is it common for the site to immediately ...
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1answer
1k views

Do I need to backup a wallet every time I generate a new address?

This question concerns the Armory client. Since Armory has deterministic wallets, do I only need to back up a wallet one time (after creation), or do I need to back it up each time I create a new ...
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3answers
5k views

Best way to mix bitcoins? mixer, coin join (shared send), dark wallet, stealth addresses?

When you want to anonymize a few hundred BTC, what would be the best (safest) way? I can think of these alternatives: Deposit to and withdraw from exchange (like Kraken, Bitstamp, etc)Pros: ...
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1answer
1k views

Confirmations on sent/receive transactions, still have 0 balance

I've tried to transfer Bitcoins from one address to another address, both of which I own. I bought a new computer, so I downloaded the Bitcoin client for OS X, and transfered from the old computer to ...
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3answers
916 views

(Why) is it difficult to merge and split wallet.dat?

It is a common question, how to sync a wallet across different devices. As far as I understand, a wallet is just a collection of private keys. Each private key can be uniquely identified using the ...
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4answers
8k views

Check password for ethereum wallet

I have ethereum wallet and wish to check if some password was used to create it. How this could be done?
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4answers
47k views

What are QR codes and How do you use them as request payment from Wallet?

What are QR codes ? How do you use the QR code for payment function on the wallet ? When would you use it ?
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2answers
620 views

Will fees be charged when importing a key to my wallet?

When the option to import/export keys is implemented, will fees be charged in this kind of transaction? My friend exports a key from their wallet with 2 BTC. My friend sends me this exported key by ...
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2answers
3k views

Sharing a wallet with a friend

How can I share my bitcoin wallet with my family members? Such that if my grandmother spends one btc one day, I see that reflected on my computer, etc. This is also a great safety mechanism, in case ...
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3answers
1k views

What wallets currently support RBF?

What wallets currently support RBF? Is there some workaround if they don't?
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1answer
410 views

Could Neutrino technically as side-effect, incentivize centralization of the bitcoin network?

TWO questions on Neutrino:: 1) Could Neutrino technically as side-effect, incentivize centralization of the bitcoin network? Or other formulation: ...hinder higher degree of decentralization? Why ...
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2answers
9k views

What if duplicate wallet addresses are created? [duplicate]

I'm a newbie to Bitcoin, so I apologize if this seems like a "noob" question. So, from what I've read: anyone can create a new Bitcoin wallet. Upon creation, a wallet address is automatically ...
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2answers
2k views

Storing my bitcoins on an offline computer

I have a mac that I never use, would storing my bitcoins on a wallet on that laptop and then only connecting it to the internet when I am ready to transfer money be safe? Is there any reason not to do ...
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1answer
1k views

Self-hosted Bitcoin wallet for Linux with API?

I'm looking for some Bitcoin wallet software I can host locally on my Linux server that provides either an API or webhooks for detecting when Bitcoin transactions have completed. I also need a way to ...
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3answers
2k views

Using the bitcoin wallet PKI for message encryption

Is it possible for a message sender to encrypt a message string with a receiver's public wallet address, email this ciphertext to the receiver and then have the receiver decrypt the message using ...
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6answers
9k views

What is the chance of someone (randomly) finding the private key for an existing Bitcoin address?

Say I have created a paper wallet with one bitcoin address in a vault. What are chances that someone else will find the private key for this wallet? Related: what are the chances of vanitygen address ...
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2answers
7k views

How do I transfer BTC in cold storage?

I understand how to send BTC to cold storage or offline wallets, but I can't seem to find information on how to send BTC from cold storage to, let's say, a wallet on my computer, or a website, or a ...
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1answer
533 views

Does using deterministic wallets reduce our anonymity?

Is it possible to figure out that certain addresses belong to the same wallet? Say I have 2 or 3 addresses that I know were created by a deterministic wallet like Armory. Is there a way to find all ...
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2answers
2k views

Transfer blockchain from PC to Mac

I have a bitcoin wallet on my PC but I just recently downloaded the MAC version of it. I would like to initialize it with the blockchain from my PC so that I don't have to download it all over again....
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1answer
5k views

How to import a private key to an encrypted wallet (on standard client)

I have a standard client (QT client on OSX) with an encrypted wallet. I've tried to import keys with pywallet, but while it claimed to be importing them, when I ran again the bitcoin client, it said ...
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3answers
3k views

How do I read the contents of wallet.dat in C#

I'd like to be able to add, remove, export etc. keypairs from my wallet.dat file. Looking over the source code of pywallet it doesn't look like such a tough task, but of course it's not as simple as ...
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1answer
7k views

In case of the Bitcoin split - when holding BTC on blockchain.info - will I receive coins on both forks?

Everyone says: If you do not hold private key to your BTC, you do not own BTC. Technically speaking I do not hold the private key, but I do have the 12 words backup phrase. I would like to know ...
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2answers
8k views

Electrum: “restoring” a wallet from a seed

Suppose I set up a wallet with a deterministic seed passphrase. I then use it, moving bitcoins around, sending some change to change addresses. Electrum will apparently create more addresses when ...
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1answer
11k views

Forgot wallet encryption password, are any brute force tools available? [duplicate]

I have an idea of what my password should be, but am missing something. Are there any tools or bash scripts to brute force my wallet passwords? If a dictionary is required, I can pre seed it as ...
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1answer
7k views

How do I move a client/wallet to a different machine?

I have a client/wallet on a work machine of which I cannot control the proxy and allow the client to synchronise properly. Before I knew this however, I sent coins to the wallet. How do migrate this ...
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2answers
1k views

Interoperability of Bitcoin clients

Is it possible to operate on the same wallet from multiple devices? If I run, for example Android on a device, and Windows/Linux on another, how do I share the same private key(s) of my wallet between ...
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2answers
2k views

Why don't addresses in an (unencrypted) wallet.dat file seem to match addresses that would be generated by the private keys in the wallet?

I've been messing around with an empty wallet file using the 'pywallet' utility, and have come across something I can't understand. A dump of the unencrypted wallet readily reveals a list containing ...
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1answer
493 views

How should centralized wallets handle user accounts?

I tried to generalize this question from one I asked on the BitcoinJ development list. I'm working on a project that requires a centralized wallet. From what I gather, these types of services ...
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4answers
25k 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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2answers
6k views

Sending bitcoins from wallet without downloading the blockchain or giving up control

I can generate a bitcoin wallet at bitaddress.org, and I can verify that I have received payments at blockchain.info. But if I want to send bitcoins from my wallet, I know only of 2 ways: Use ...
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2answers
652 views

Can I find out on which website I got my Litoshi address?

I can't remember where I got my Litoshi address. Is there a way I can find it because boxlit transferred my litoshis already? I saw the transaction through block.io. I don't think I got it there (...

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