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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0
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1answer
22 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
20 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
19 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
2answers
50 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 ...
9
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
15 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
33 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 ...
1
vote
1answer
29 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
38 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
11 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 ...
-1
votes
0answers
13 views

Dollar Balance in wallet blank but shows correct BTC [duplicate]

A few days ago I opened my Multibit wallet and where the CDN Dollar Balance usually shows in wallet is totally blank, but wallet still shows 0.2097 BTC. The box at the top called "LAST" which used to ...
2
votes
1answer
35 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
106 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
34 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
116 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
93 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
27 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
40 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
25 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
44 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
35 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
91 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
29 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
68 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
77 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
206 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
529 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
46 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
77 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
40 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
142 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
102 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
31 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 ...
2
votes
1answer
416 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
60 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 ...
1
vote
0answers
50 views

Bitcoin Escrow API [closed]

I have an e-commerce website. In my website there are two types of registered users: Seller (They place an advertisement to sell there product [example:house]) Buyer (Want to buy house of seller ...
4
votes
1answer
82 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 ...
1
vote
0answers
47 views

Sending Bitcoins with Armory doesn't work

I have a few Bitcoins that I manage with Armory. It shows the correct amount of money in my wallet under the correct address. I now want to send the Bitcoins to somebody else. When I open my wallet ...
1
vote
0answers
64 views

Bitcoin Core and Armory working together? [duplicate]

I am confused, totally new to Bitcoin and not really a digital expert, so forgive me if the following is stupid. I downloaded Armory two weeks ago and it asked me to also install Bitcoin QT which I ...
0
votes
1answer
66 views

PHP Checking privatekeys

I am setting up my site on a hosting (not a server, just a hosting) where i will accept payments of bitcoins and maybe other cryptos later, after a week or so, i want to "sweep" my wallets. In short: ...
1
vote
2answers
106 views

Should a casino manage its own Bitcoin wallet?

Let's say I wanted to start an online casino that accepts Bitcoins. Would it make sense to manage my own Bitcoin wallet for this site? Or would it make sense to just use a third-party service that ...
2
votes
1answer
184 views

Official or default Bitcoin wallet for Android

I'm new to cryptocurrencies, and I noticed that both Litecoin and Dogecoin have official wallet apps for Android. Does Bitcoin similarly have an official Android wallet app? If not, is there a ...
0
votes
1answer
65 views

chain.com Bitcoin API: Does not provide “making wallet” feature?

chain.com's Bitcoin API is super easy to implement Bitcoin function into my iOS App. Checking the balance of a specific bitcoin address and retrieving transactions are very convenient. However, unlike ...
0
votes
2answers
66 views

How to tell which account an unspent output is in?

When I go to send coins, I want the transaction to ignore the unspent coins in a certain account. I think I can do this in wallet.cpp, but I'm not sure how. Maybe in the AvailableCoins() function? ...
0
votes
1answer
38 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?
6
votes
4answers
379 views

How to find a specific bitcoin address from all the addresses?

Recently, I found a site that show all the addresses in a huge list, divided in 904625697166532776746648320380374280100293470930272690489102837043110636675 pages. The site's link is ...
0
votes
1answer
168 views

Unconfirmed Transaction using Blockchain.info wallet [duplicate]

I sent 0.08 BTC yesterday using the blockchain.info wallet on the iPhone. It's been 24 hours and my money is still unsent; I really don't know what to do. It still says unconfirmed. Why is this? ...
1
vote
1answer
69 views

If I import/restore a deterministic wallet into Bitcoin Armory, how far into the dynamic addresses does it look for transactions?

I see that in Armory, I can click on "receive bitcoins" any number of times, and it generates a new as-yet unused address every time. So I could potentially send coins to address 1000, and have 999 ...
1
vote
0answers
40 views

How do coinjoin and sharedcoin work? How to make it make it hard to pinpoint bitcoin sender wallet

I would like to implement a way for bitcoin transactions to be untraceable. EX. user1 on my site wants to send bitcoins to user2. How would I go about mixing the coins so user2 doesn't get user1's ...