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.

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4
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1answer
51 views

Is mainline Bitcoin planning on switching to deterministic wallets?

Deterministic wallets enable reliable backups but the mainline client doesn't use them. I was told that bitcoind and Bitcoin-QT are planning on switching to deterministic wallets by default, is this ...
0
votes
1answer
44 views

Would a service for automated repurchasing of Bitcoins encourage spending?

We launched Reload, an online service that binds your bitcoin wallet to your bitcoin exchange account (16 supported so far): whenever you spend bitcoins from your wallet, Reload will use your exchange ...
0
votes
0answers
20 views

Online wallet for betting / customer profile?

I am looking for a system that provides users with the option to deposit and withdraw BTC to a generated address. Basically something that works like https://primedice.com/play and ...
0
votes
0answers
32 views

I just restored my Mac from a time machine backup, but no coin wallets got backed up?

Every other file seems to have been backed up and restored except I don't see any coin folders in the application support folder in the library. Did I do something wrong? Are these files ...
0
votes
1answer
23 views

Private keys importing in format got by dumpprivkey

I backed up my private keys this way: Opened my peerunity wallet (bitcoin-qt fork), opened Debug window, issued dumpprivkey and I got my private key. Then, I wrote it on a piece of paper (!). Now, I ...
0
votes
1answer
38 views

Bitcoins stuck in phone based wallet

So here is my situattion: A while back I have purchased as and experiment some cloud mining, I ended up getting about $70 out of it. Anyway I use the official Android bitcoin app: ...
0
votes
0answers
9 views

Can I place QUARK and DOGECOIN, from disappearing Coinmkt.com, in the same wallet?

Last year I purchased 15000 QUARK and 100 DOGECOIN at Coinmkt.com. They are being acquired by ANX and are not cooperative in helping me move my cryptocurrencies. They suggested I find another wallet ...
0
votes
1answer
29 views

Create a wallet generator?

Is it possible to generate private and public keys using only a calculator? If not how many lines of code would it take to write a wallet generator, and how difficult would it be? How would you do ...
0
votes
1answer
21 views

Creating a virtual wallet to display balance in a store

I have a store that uses bitcoin as a payement. I want to make users deposit to their balance in the site, as I saw in many sites, a bitcoin address is generated for each user to deposit funds to ...
0
votes
1answer
24 views

Hybrid e-wallets

I am quite confused regarding working of hybrid e-wallets..If private keys are stored on user's browser, then what is the purpose of involving a hosted web service... Can someone please answer my ...
0
votes
0answers
21 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.
0
votes
1answer
35 views

Unable to receive/preview funds due to un-synced wallet [duplicate]

I bought bitcoins and sent them to the wallet, however the wallet is not synchronized and as a result I cannot see my bitcoins. Will I be able to see them as soon as the synchronization process ...
1
vote
0answers
61 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
28 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
45 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
39 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
60 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
50 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
78 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
81 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
61 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
52 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
51 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
50 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
72 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
37 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 ...
1
vote
1answer
69 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
125 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
46 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
47 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
134 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
2answers
43 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
41 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
78 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
180 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
40 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
210 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
63 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
172 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
181 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
34 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
115 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
27 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
73 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
48 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
130 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
42 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 ...