A database containing the keypairs associated with a user's Bitcoin addresses, a list of transactions related to those addresses and various user preferences and keys.

learn more… | top users | synonyms

1
vote
0answers
39 views

How I make a portable version of Bitcoin for Ubuntu?

I want to create a bitcoin wallet executable file in Ubuntu with all its dependencies. So when use that file from some other system it will work perfectly. How I make a portable version of Bitcoin ...
0
votes
1answer
17 views

What does it mean to “password protect” your wallet on Multibit?

Isn't my wallet (i.e. my private key) already private? What does it mean to set a password for it? I assumed it encrypted the wallet file, but this answer seems to point otherwise. How can they verify ...
1
vote
1answer
37 views

Check if a user pays another user for bitcoin website

I am creating a bitcoin website. I would rather the bitcoin didn't go through my website to prevent any security issues. What happens is one user pays another user, and when that happens my website ...
0
votes
2answers
29 views

Can coin wallets create their own network/blockchain?

In other words, I want a coin with NO premine and NO mining. Can the wallet, alone, generate the coin(s) and the blockchain, based solely on inter-wallet communication (establishing a wallet ...
0
votes
2answers
46 views

Sending bitcoins to an un-owned, well-formed wallet

This is a follow-up question to: What happens if I mistype the address when making a payment?. Scenario: You're trying to send bitcoins to an address. You type in the wrong address, but the address ...
0
votes
2answers
38 views

Is an unencrypted wallet secure if bitcoind is not accepting RPC calls?

I'm interested in setting up a P2Pool node (which requires running bitcoind) to run a little mining pool for myself. Before you ask, nope I'm not even trying to break even, I know I'll lose money on ...
0
votes
2answers
65 views

Can one wallet send/receive bitcoins from/to multiple sources simultaneously?

Let's say for example I put my public bitcoin address on a website for donations and multiple people for around the world deposit bitcoins simultaneously to that same wallet: Will all deposit ...
0
votes
0answers
45 views

How to generate a private key to create wallet through api in Block chain

I need to pass private key while creating a wallet in blockchain.info through api call which is defined here https://blockchain.info/api/create_wallet I'm using php for creating wallets. Please ...
1
vote
1answer
54 views

Why did my transaction not include the fee?

I've been using Bitcoin for a long time now. I've used all kinds of different wallets and API's. But, last night I moved 0.30 BTC from an android wallet which is a fantastic wallet, I think the best ...
1
vote
1answer
33 views

Is there any open source implementation of Bitcoin wallet encryption in Java?

I intend to establish an efficient and secure scheme for protection of wallets. For this , I need source code that implements wallet ecryption as mentioned in ...
3
votes
1answer
44 views

Android BTC clients that remotely use my Bitcoin Core wallet?

Are there any Android BTC clients that remotely use my Bitcoin Core wallet so I don't have to use another wallet specific for my phone? I am running my own BTC node.
0
votes
1answer
37 views

Why can I only see the balance of my wallet and not the one of each of my receiving addresses? (Multibit)

I have some troubles to understand the logic behing addresses and wallets. I use Multibit to manage my BTC. I have one wallet with 5 receiving addresses. I have transfered from an exchange website ...
0
votes
1answer
45 views

After power hit, wallet won't load

I downloaded Bitcoin core wallet a few days ago. It was all going well, it synced just to about 25 weeks ago or something. One day the power went down and it shutdown the computer. When I started ...
0
votes
1answer
34 views

Move MultiBit from Mac to Windows

I'm an IT consultant in Australia and I'm pretty green when it comes to BitCoin and wallets and the like. I've been contacted by a client with a MacBook Pro that cannot be repaired and he is looking ...
0
votes
0answers
29 views

Blockchain.info Wallet Format

I've noticed that BCI's Wallet version has been updated to version 2 in recent times (and also employs key stretching, amongst other security features). I've referred to BCI's Wallet Support Page and ...
3
votes
1answer
87 views

Mycelium wallet file

I have a fairly straightforward question that's still unanswered after googling for days for a definite answer, I hope you guys can help me out with this one here. Background: I have Mycelium Bitcoin ...
2
votes
1answer
41 views

Error: Wallet backup failed! (code -4) when setting up bitcoin-qt for first time

I downloaded and ran bitcoin-qt to play around with. First thing I did was create a wallet passphrase. The second thing I did was try to create a wallet backup. Then I got this message: Error: ...
0
votes
0answers
43 views

Downloaded electrum, restored an old wallet, now BTC are stuck. How can I get them out?

How can I send them or reset password? Everytime I try to send it says invalid password. I tried by a couple different ways without luck. I deleted the wallet. Then I downloaded again and created ...
1
vote
3answers
109 views

pycoin command line transaction

Is there a quick way to do transactions knowing only the private key(secret exponent) and the destination address, preferably from a command line utility such as pycoin? I am using Debian/Ubuntu and ...
10
votes
2answers
1k views

How do wallet developers earn money?

Does anyone know how the Bitcoin wallet developers earn money? Do they live on only donations? Is it possible to survive on only donations? Why would they develop wallets if they don't make any ...
0
votes
1answer
26 views

How do I send money from imported keys to my localbitcoin wallet?

Okay, I imported keys from my desktop to MultiBit, it took a while, now I have got a file on my desktop, when I open it with notepad there is like: "receive, *walletadress", receive walletadress" etc. ...
-5
votes
1answer
37 views

1 bitcoin = usd rate [duplicate]

1 bitcoin = how much us dollar?. And when i'hve minimum 0.00005460 BTC in my ammount than i can sand to my bank.ask td, when I'm sand 0.00005460 BTC,= how much dollar make this bitcoin,i mean ...
2
votes
1answer
58 views

How to recover a deterministic wallet offline?

I know that in the case of electrum there is a gap limit and it will keep generating addresses until it finds a number of consecutive empty addresses equal to the gap limit. What about if I want to ...
2
votes
1answer
177 views

Why does Bitcoin use separate change addresses?

When you create a wallet, it creates one bitcoin address, correct? When I send funds, it sends all my funds; the person I sent it to gets what I sent, and the change from the transaction is sent to a ...
0
votes
0answers
12 views

Can you know if different adress are from the same wallet? [duplicate]

I'm using multibit, and I generated 7 request adresses. If I were to anonymously give 2 adresses to someone (not the same day) would he be able to know that those two adresses point to the same ...
2
votes
1answer
38 views

Address no longer shows up in Bcoiner account

Here is what I did: Downloaded Bcoiner on my iPad. Made an account. Generated a new address, which was 1NEuLDXuBRTYfcbGpzUbpkr4Sg2p7sNLB4. I sent 4.69 bitcoins to this address. I logged back into ...
4
votes
2answers
153 views

How to convert encrypted wallet.dat to decrypted? (Yes, I know the password)

I don't want to spend transaction fee for transferring coins to unencrypted wallet.dat. What should I do?
0
votes
1answer
54 views

How to get a wallet address and set label via RPC?

I'm familiar with the basic RPC commands, but I'm having trouble retrieving/adding an address to a wallet, using purely RPC calls (i.e. bitcoind only, not bitcoin-qt). My understanding is that ...
2
votes
2answers
146 views

any way to recover lost qt bitcoin wallet? [duplicate]

Hi is there any way to recover my Bitcoin-Qt wallet with only an address and the wallet password? Unfortunately my disk was formatted.
1
vote
1answer
164 views

Create addresses in bulk; and check balance

I am new to Bitcoin; our company wants to use bitcoin for payments. We need to create a address for each transaction. so we need to create many public address. First, I need to generate many public ...
1
vote
1answer
28 views

Mastercoin API - what to use?

I am interested in communicating with the Mastercoin network through an API to control various assets. In Bitcoin, I would run the Bitcoin daemon and use the documented API. For Mastercoin, I'm ...
0
votes
0answers
86 views

Forgot password multibit

this is two weeks I am trying to crack my MultiBit portfolio, I do not remember my password recorded in July; I have no old file save my wallet, the word must be no more than 15 characters and must ...
1
vote
1answer
26 views

Funds and Wallets

If I load bitcoins to my wallet and the funds are there, and I go back to load more Bitcoins with a new address for my wallet are the funds from my first wallet going to merge with the newly added ...
0
votes
0answers
13 views

How do I buy Bitcoins for my android wallet? [duplicate]

I have just downloaded the Bitcoin Wallet app by the bitcoin.org developers. How can I add bitcoin to it? I had the idea that I could just buy coins from an exchange online and then put them into ...
1
vote
1answer
62 views

Matching KeyPath in application with Wallet32 Keypath for Bip44 wallets

I have an application where I create an HD wallet with a passphrase and save the public master key to the database for the user. Then, I want the user to be able to back up the wallet to their own ...
2
votes
0answers
45 views

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 ...
1
vote
2answers
117 views

How do I spend my Bitcoins without waiting for Bitcoin-Qt to sync?

I purchased $50 from ExpressCoins and now it's transferred to the address, but I hadn't realized that to use your program, I have to download 20 gigs of information. Is there a way to access my coins ...
0
votes
1answer
41 views

Why am I not getting payments on my bitcoind on an amazon ec2 instance?

I have an amazon ec2 instance running a web server, MySQL server, and bitcoin daemon on ubuntu 14.04, and I ran ./bitcoind getnewaddress and the output was an address. I sent a few cents worth of ...
2
votes
2answers
87 views

Unable to open Backup binary file Linux

I recently reinstalled Linux mint; I backed up my wallet, and I am unable to import the backup created from the original wallet (Qt version 4.8.6.) to the newly installed wallet(Qt version 4.8.6.) I ...
1
vote
1answer
99 views

Do you need to be connected to the internet to send someone bitcoin?

Say I walk into a store that accepts bitcoin. I decide to buy something and go to the counter. I get my smartphone out to pay the bitcoin. Does my smartphone need to have an internet connection to ...
0
votes
3answers
211 views

How can I recover my coins?

I'm using an alt coin. The wallet would not sync so I deleted the blkindex.dat file to restart the download. I restarted the wallet client and it downloaded all the blocks, but all my coins are gone. ...
1
vote
2answers
2k 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 ...
2
votes
1answer
50 views

Limit wallet to sending funds to a list of addresses

Imagine a scenario. There are 3 parties: Party A, Party B and a mediator party C. A and B transfer each 1 BTC to a newly created wallet W owned by C. The function of C is to distribute the entire 2 ...
2
votes
1answer
90 views

How can Bitcoins be sent without Blockchain.info knowing your private key?

Blockchain.info is a hybrid bitcoin wallet with client-side javascript encryption. I understand that the wallet.aes.json where the private keys are stored is encrypted (client-side). But how can ...
2
votes
0answers
41 views

Calculating Account Balance [duplicate]

Is anyone familiar with how the standard Bitcoin client gathers account balances from the blockchain? I understand that the software will look through the blockchain to calculate the balance, but I ...
1
vote
1answer
265 views

How can I install a bitcoin wallet on Kali Linux?

I got Kali Linux installed on my laptop and I want to install a good bitcoin wallet to store my bitcoins offline.As I know,top 5 best bitcoin wallets would be Bitcoin Core (the first offline ...
2
votes
1answer
114 views

Could somebody be traced in a situation like this?

I'm fairly new to bitcoins and wanted to know if somebody could be traced easily in a situation like this: Somebody buys btc with his/her own name Btc are sent to an address, an offline wallet, ...
0
votes
0answers
40 views

Infinitecoin (IFC) transaction delay

A few weeks ago, I made a transaction from an online wallet (coins-e) to my personal (infinitecoin-qt) wallet. Initially I looked for the transaction ID using exploretheblocks for Infinitecoin's ...
3
votes
2answers
755 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: ...
-2
votes
1answer
96 views

How to integrate a Bitcoin wallet service in my website [closed]

I'm a new web programmer and I'm building a website if a Member sign-up he get a wallet, and I want to make this website like a bank .... so when he registers a wallet he can send bitcoin to the ...