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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12 views

Ensure Wallet consistency

I have recently migrated machine. I used the Apple Migration Wizard and when it was finished my new machine's copy of Multibit appears to have my BTC within it. My next task is to wipe the old ...
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1answer
10 views

Restore wallet.dat on windows 8

How do I use my wallet.dat on my windows 8 bitcoin qt? Someone posted this C:\Documents and Settings\YourUserName\Application data\Bitcoin (XP) C:\Users\YourUserName\Appdata\Roaming\Bitcoin (Vista ...
4
votes
1answer
45 views

Multibit: Whats the best way to proceed if I have forgotten my password but my wallet is still open

I am running multibit. I have less than half a bitcoin. I realised today that I have totally forgotten my password. My wallet is still open so I can still use it to pay for stuff. Can I create a ...
4
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2answers
69 views

What's the point of trading BTC if you're limited in the things you can buy

If you're trying to make a profit by trading BTC... fine, I get it. What other reasons are there to trade BTC?
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1answer
28 views

NXT single address per user vs bitcoin single address per transaction

In bitcoin, the anonymity is ensured by creating a new address for each transaction and by associating this address with a wallet. As far as I understand, with NXT, you use your account (calculated by ...
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1answer
22 views

Bitcoin-qt transaction not initiated by the wallet owner

I was just mining for some Dogecoins with Eobot and parallel I had BGFminer set on solo mining + 4 pools from eclipse. The issue is that the moment the Eobot kicked in (it started on mining Dogecoins ...
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1answer
28 views

Transfer wallet to new server

I have been running a bitcoin app in an old server. I need to move everything to a new server but my question is this: is there a way I can transfer my bitcoin wallet (bitcoin core) to the new server ...
2
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0answers
25 views

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
28 views

debug window of wallets [closed]

For all noobs and cryptocurrencies, is there anywhere a tutorial on how to use the wallet? I've noticed several wallets that are just the same thing with a different name, but so far the only thing i ...
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2answers
36 views

Bitcoin core: why does the wallet file contain transactions?

I really don't understand why the strong coupling here. I mean, whenever I go and make a backup, if there's a new transaction involved, the hash of the backup changes. I wonder why this is. And ...
2
votes
2answers
42 views

How to sweep a bulk wallet?

If I have a bulk wallet with, say 100000 key pairs (address/private key) and I have received payments on any, say 1000 of them, how can I sweep all the coins to a new address? It would be even better ...
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0answers
11 views

Autopayout Setup on a wallet

I am creating an application which will be paying out some amount of BTC every hour to few addresses. Is there a service that allows me to program the transactions or a wallet, which offers a feature ...
1
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1answer
36 views

Multibit application won't open

The app itself won't open. I recently did a system restore to a previous point in time but I'm pretty sure it was not before the point that I installed the multibit application. All the installation ...
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1answer
34 views

Why I obtain this error trying to compile this wallet?

I am not yet a Linux guy and I am going crazy trying to install the MJ Coin wallet compiling it on Ubuntu 14.04. This are the only provided instruction to install it: Debian First, make sure ...
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1answer
23 views

Which is the official site to download the NXT (nxtcoin) wallet app?

Where is the official site to download the NXT wallet app?
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1answer
44 views

How can I find out which wallet belongs to which cryptocoin? [duplicate]

I have multiple decrypted wallets in the same folder. How can I find out which wallet belongs to which cryptocoin? All wallets are named wallet_x.dat, so the name gives no hint. UPDATE: I have no ...
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0answers
34 views

How can I fix a low miner fee due to errors?

I made a transaction a while back not thinking at the time give a very low miners fee (1 satoshi) and it's been a while since I sent it and it's still not confirmed and I started looking around. I ...
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2answers
45 views

What does it mean to have -1 confirmations?

I have -1 confirmations for an inbound transaction on my Electrum wallet. What does is it mean to have -1 confirmations?
3
votes
1answer
241 views

How do wallet-sites generate large numbers of Bitcoin addresses?

How do online Bitcoin wallet sites work? How can they have thousands of addresses laying around, or do they create them on the fly? What sort of software is used to create all those Bitcoin ...
2
votes
1answer
46 views

Are there any tools to visualize where the transactions are coming from and going to?

We spent some time doing the visualization of the transaction flow between bitcoin wallets https://bitviz.visalyze.com and wanted to know if there are any tools that can not only track, but also ...
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3answers
44 views

In NXT, what is the difference from Account ID and Account Numeric ID?

For NXT, why are there 2 different ways of identifying your NXT account? There is a Account ID and Account Numeric ID. What was the differences and why was it done like this? What are ...
1
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0answers
23 views

Qt wallet not compiling - Altcoin

After rewriting litecoin to use the whirlpool algorithm, I'm having issues compiling the qt wallet. Daemon compiles perfectly, yet when I try to compile the qt wallet (linux at this stage) i get this ...
1
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0answers
10 views

Import Armory Wallet to BitcoinD

I was wondering how I can import a wallet from an armory backup (A view only wallet) into bitcoind running on a server. Thanks, Marty
0
votes
1answer
30 views

Import android mobile wallet to desktop

I have an android wallet (The Andreas Schildbach one). Is it possible to import this wallet into my desktop wallet? I would like to be able to manage my funds using my mobile or my desktop - both ...
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2answers
40 views

Error compiling altcoin-qt for Windows, getting a GCC internal compiler error

I think I managed to get all my dependencies and libraries right (fingers crossed), but now when trying to build blackcoin-qt, the QTSdk compiler gives me this error while building qtipcserver.o: In ...
1
vote
1answer
97 views

Is this a safe method for cold storage?

Here is the method I plan to use for creating a cold storage, I am very new to all this, and have never used bitcoin before, I am not very technical either, anyway, here it is: 1) create a live-cd ...
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0answers
22 views

Questions about Electrum [closed]

I recently just installed the Electrum client and I have a couple questions. Is a new address generated in the receiving addresses each time a transaction is made? It sounds like that in the ...
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1answer
44 views

Bitcoin wallet? [closed]

How can I spot,find my bitcoin wallet?I have a bitcoin address and I collect btcs daily but I can't recall the website which is the source of my wallet and account.What can I do?
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0answers
78 views

Coinbase lost my transaction from Bitstamp

I'm moving my coins out of Bitstamp I was looking for another exchange. I have sent 0.00007 BTC to just test the transaction. I got the address where I want to send coins to from ...
2
votes
1answer
22 views

On multibit how do I update my sending address? [closed]

I have bitcoin in my transactions but it does not appear in my wallet. It says updates stopped
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votes
1answer
40 views

How Merge two wallets.dat by php

I know about pywallet, about this mod for bitcoind, but which is the simple way to the merge two wallets or export one/list of private keys with addresses of all of wallets from litecoin, dogecoin, ...
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vote
1answer
40 views

Purpose of a BlockChain in local wallet application

I have installed the BitCoin wallet application on my PC, so that I can cold store my BitCoin. It's "Synchronizing with the network" and has 272 weeks of BC left to download (painfully slow!!) What I ...
1
vote
1answer
54 views

moving money without fees

what's the best way to move money within your own wallet between your own accounts and/or addresses without incurring fees? setaccount Sets the account associated with the given address. ...
0
votes
0answers
10 views

How to change my cash into BTC [duplicate]

Ok so say I want to pay someone and they only accept bitcoins. Well my BTC mining scheme didn't work out a while back and so I only have USD. Well how do I go about converting my paper money into BTC ...
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0answers
24 views

Can't get armory to work

When I try running armory, it seems to download the block change and actually gets to 0 blocks, but then all of the sudden, armory disappears. Anyone know why this is happening? In the log file, I ...
2
votes
2answers
61 views

How and where to establish a wallet

When a create a wallet, lets say with blockchain, do I have to check my wallet always with blockchain, or can I also check my wallet with different providern of wallets, where I did not established my ...
1
vote
1answer
30 views

Wallet programming, search transactions by address

This may be a silly question, but I keep running in circles. Using either bitcoind or JSON-RPC is there a way to search all transactions involving a address hash? I understand every wallet and most ...
2
votes
1answer
53 views

A clarification about Wallet and Addresses (In Armory)

I've just a dumb (Probably) question about bitcoin wallet and addresses (in Armory): If I've understood correctly (Correct me If I'm wrong), a wallet works as a "container" where you can store ...
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0answers
18 views

multiple wallets in bitcoinj ?

Is there a possibility of using multiple Wallets, that are running synchronous in Bitcoinj? I've alredy tried to use several WalletAppKits but this does not work.
2
votes
1answer
144 views

Deterministic Wallet Step By Step

I'm reading about deterministic wallets, I get the point, but it get's confusing when you actually start setting up things. I have to install support for generating "whatever"-coin addresses on a ...
-1
votes
1answer
67 views

How to generate wallet address? And how to get that connected with internet for transactions? [closed]

I would like to know how a wallet address can be generated? One site suggested me to create a script for that, that is 1 option, I would like if any other there. Mainly I am willing to know is how ...
2
votes
2answers
57 views

How do I recover newly created bitcoin addresses from an older wallet.dat?

I had a bitcoin wallet and several other coins' wallets on my laptop and did a backup for my wallets several months before the laptop died. Between that time, I had created several new bitcoin ...
-1
votes
1answer
45 views

How to Create a Light Wallet and Light Bitcoin Node, and run it on Mobile? [duplicate]

For example, instead of using my laptop to run bitcoind...how can I run bitcoind on a smartphone to create a light bitcoin wallet? I understand hashing may drain battery, but is this possible? If so ...
3
votes
1answer
72 views

What made the old versions of the bitcoin wallet insecure?

According to the downloads for the Bitcoin client, versions older than ~0.3.0 were "insecure". Since they are not available for download (and the lack of security is the given reason) no one can ...
1
vote
0answers
54 views

My Multibit wallet stops updating and says another program has changed files. How can I solve this?

I am running Multibit on Windows 7. When I open it, the synchronization will initially start, but then stop after a while due to "another program attempting to change files". I didn't move any files ...
1
vote
1answer
48 views

what is the difference between eatch coins wallet address,what is the coin public id/salt?

i looked at the link: http://brainwallet.org/ witch generate offline wallets for all major coins, i noticed that the same Passphrase generate different [Private Key&Address] pairs for eatch coin ...
0
votes
1answer
45 views

What was the first official BTC miner software?

I know that the first and official wallet is bitcoin-qt. This wallet has code here: https://github.com/bitcoin/bitcoin What was the first official miner software? I understand that bitcoin-qt never ...
2
votes
1answer
91 views

Running Bitcoin Core for first time

I was using the official Bitcoin client some time ago. It was version 0.5 I think. Then my computer crashed and didn't use Bitcoin for a long time. I was lucky because I had a backup of the wallet. ...
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votes
2answers
119 views

How to import old wallet to Multibit?

I had 2 Bitcoins on my old PC and got a virus so did a format. But I also did a backup of my bitcoin wallet. Now I want to sell these bitcoins but when I went to the site, the official client was ...
9
votes
2answers
198 views

How to minimize risk when accepting zero confirmation payments?

I'm trying to setup a way of accepting Bitcoin payments in real life situations, where waiting for confirmations is typically not an option. I understand this is never 100% risk free (especially with ...