A client is any application which allows a user to connect to the Bitcoin (or alternate) network. Alternately, "client" may refer to a non-standard user interface which interacts with the Bitcoin network through a standard client.

learn more… | top users | synonyms (1)

0
votes
1answer
34 views

RPC server with bitcoin-qt and bitcoind has a different set of commands?

When running bitcoin-qt -server, I am able to run the getbalance command, and the help command shows many items: ~ > bitcoin-qt -regtest -server # Running in another shell ~ > bitcoin-cli ...
1
vote
1answer
31 views

Is Bitcoin full decentralized network or how client connect to the network?

I read that Bitcoin is full decetralized network, but I don't understand how Bitcoin's client can connect to the network. I think that client must use some server for this action like other P2P ...
1
vote
1answer
17 views

Is it possible to create a system for 'shared wallets' on top of bitcoin?

Is it possible to build a system on top of bitcoin, where: Random people will deposit money in a wallet X. Nobody has access to that wallet. After a few months, those users will vote in other ...
1
vote
1answer
78 views

How can I create a new wallet on Bitcoin Core?

How can I create a new wallet on Bitcoin Core (Bitcoin QT)? I forgot my old password, so I can't create transactions using the old wallet. I don't have money on my old wallet, I just need to create ...
1
vote
1answer
31 views

Options for a Client Only C# application

If I want to create a client only, C# desktop application, what are my options for working with Bitcoin? I could try to port BitcoinJ, which seems like a lot of overhead in terms of initial effort ...
2
votes
2answers
50 views

How to create a SPV client?

What are the steps a SPV client takes in order to sync? Connect to a peer Set bloom filter for wallet addresses Download all block-headers since latest checkpoint Request every block again with ...
1
vote
0answers
50 views

Ws2tcpip.h and winsock2.h on Window QT Wallet

Been trying for the past few days but couldn't get it working, I already download the latest cryptopp library but its seems that maxcoin got some issue compiling If I qmake "USE_UPNP=-" ...
1
vote
1answer
29 views

Help with missing transaction

I'm trying to learn how to programmatically interact with the Bitcoin protocol. I've, seemingly, successfully generated a private key, WIF, and public address with code. I used Coinbase to send .001 ...
2
votes
2answers
109 views

I think my bitcoin wallet was hacked. What to do?

I opened bitcoin-qt after not mining for a couple months and found that I suddenly have no more bitcoins! And I see that there were 2 transactions that I did not authorize sending my coins to other ...
0
votes
1answer
41 views

Where is the code that receives blocks that miners have just solved

I was just looking through the Bitcoin code but since I am relatively new to C++ I was wondering, if anybody could tell me where the code responsible for receiving blocks that have just been mined by ...
2
votes
0answers
35 views

Historical prices via API for major alts (not BTC)

I am trying to build a small project of mine using historical prices for major alternative currencies such as LTC, DGC, MOON, TIPS, etc and so far I managed to collect only current prices of cryptsy ...
0
votes
1answer
60 views

Recover a bitcoin wallet in Hive

I've recently reformatted my Mac, and reinstalled Hive. I have a back up to Dropbox option enabled in Hive, and my old bitcoin wallet file is there. But I cannot find any way to recover my old ...
0
votes
2answers
71 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 ...
0
votes
1answer
29 views

Test failure for Multibit on Windows

I am trying to compile Multibit on Windows: Windows 7, IDEA 13.0.2, Maven 3.0, Multibit 0.5.16. I am able to compile, but when I try to test there are always 2 failures: Running ...
1
vote
0answers
49 views

How does the satoshi client handle endianness?

I'm looking through the source code of the satoshi client, particularly into how transactions are serialized and sent through the network or stored to the disk. The CTransaction class has this block: ...
0
votes
0answers
18 views

Decentralized storage of funds for a BTC app

We are making an app similar to the raffle system but using BTC. At some point we need to store the funds of the participants. But we do not want to do this. We would want commitment from the ...
0
votes
1answer
33 views

Is it possible to use a litecoin account, setted up at a local computer, in different devices?

I just installed a litecoin client to my computer and started to mine as well. I assume I will earn some LTC from the pooling site and they will pay it to my LTC account defined payment address ...
1
vote
0answers
32 views

How can I tell Bitcoin to only spend confirmed inputs and self created outputs

I want to make sure that the transactions I create with the original client are always using confirmed inputs and self created outputs. Bitcoin used one of the transactions that I describe here in ...
2
votes
4answers
229 views

I am new to Bitcoin, how can I get started? [closed]

I am new to both here and to the new online currency called Bitcoin. I understand what Bitcoin is and how it works, but I was wondering how do you actually get started with Bitcoin? I have read some ...
0
votes
0answers
39 views

Do mining clients affect efficiency of mining?

Excuse my ignorance. I'm new to this. When trying to start mining, does it matter which client I choose to do the mining? If so, to what end?
0
votes
1answer
130 views

Miners don't detect ASIC Devices

When I try to add devices to BFGMiner and BitMinter, Only 3/4 devices will be detected, When I go to Devices and Printers (In Windows 7) it shows all of my ASIC Miners. Here is the error: 2014.02.26 ...
1
vote
1answer
561 views

Is there a wallet like Multibit for Litecoin?

Is there a lightweight client like Multibit available for Litecoin? If not, is one in development?
1
vote
2answers
117 views

How do I test my wallet backup?

I follow the instructions for wallet backup and save them digitally. What's a convenient way to occasionally test my wallet backup. I want to make sure that I'm not doing something stupid & my ...
0
votes
0answers
31 views

Which clients offer a way to replace unconfirmed transactions?

On this site, we see a lot of questions from people who have sent a transaction which isn't being confirmed, often because they have neglected to include an adequate fee. The Satoshi client doesn't ...
0
votes
1answer
66 views

how to transfer coin using bitcoin rest API

I've been googling for quite some time now, but I was unable to locate any complete example, with the request & the POST/GET parameters to the Bitcoin JSON-RPC. How to use the JSON-RPC ? How to ...
1
vote
1answer
63 views

Trying to import a private key into bitcoind

I am in a special situation where I need to import my private key credentials and basically restore a wallet to bitcoind. bitcoind is running and I do have an rpc user/pass and server=1 in the ...
0
votes
1answer
31 views

how to get clients sync status via API

I try to use the build in API by bitcoin client and I wonder how to get the sync status via API of a runing client.
0
votes
2answers
45 views

Compiled Bitcoin Client as Testnet with bitcoin.conf

I'm quite new to bitcoin. I've been compiling the client from github and I want to run on a server as testnet and make some API requests. As I see in the documentation I should create a bitcoin.conf ...
1
vote
1answer
37 views

Does the Bitcoin client not record original signature data per connection?

I just read the malleability page. Can someone confirm that this While transactions are signed, the signature does not currently cover all the data in a transaction that is hashed to create the ...
-2
votes
1answer
52 views

Apple Removes Blockchain Bitcoin Wallet Apps from its App Stores [closed]

That Apple removed last wallet from their app store. Just wrong.... Guess more people will move to Android. Apple Removes Blockchain Bitcoin Wallet Apps from its App Stores ...
0
votes
0answers
7 views

How can I make repeating transactions over a given interval? (time, blocks, or times replayed?)

I want to make a recurring payment that is enforced by the blockchain and the scripting engine. If I have the following fixed source address, funded with 100 BTC 16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM ...
0
votes
0answers
113 views

My Scrypt altcoin has no mainnet hashrate [closed]

I created a Scrypt altcoin, and I can mine it fine in testnet with the commandline client. However, when I try to mine it in the main net the commandline client gives me no hashrate. I have set ...
1
vote
1answer
114 views

What is the difference between a wallet and paired keys? [duplicate]

So I've read that a wallet is basically a public address key paired with a private key. But is it more than that? Does the physical wallet file contain transaction and balance information as well ...
0
votes
0answers
91 views

why is slush's pool not displaying my miner as active?

My miner is not active. I am using rpc miner and here is what I am typing in but I just can't get it to work. rpcminer-cpu.exe -url=http://api.bitcoin.cz:8332 -user={My miner user} -password={my ...
0
votes
3answers
248 views

Should you protect your Bitcoin address like your credit card number?

Today, I recieved this scam email: We have reached the biggest milestone in our history – over a million wallets. https://[removed] will celebrate with some big prizes. In October 2013, ...
1
vote
1answer
126 views

Who wrote the actual bitcoin software?

Who wrote (and owns) the actual bit coin mining code? If the origins is not crystal clear, it will be very difficult to explain its use to ordinary everyday people.
0
votes
1answer
75 views

How is the wallet balance split across keys?

I suppose it's advisable to use a new key frequently for bitcoin receive address for anonymity. If each received amount goes to a new key, will my wallet size become unmanageable if I receive a number ...
0
votes
2answers
154 views
0
votes
1answer
66 views

Why doesn't a change address just point back to the address that sent the transaction? [duplicate]

Why over complicate things with additional private and public keys that are hidden from the user and make it possible for backed up wallets to go out of date? Why can't the change address just be the ...
0
votes
1answer
138 views

Can I write my own pool software by using bitcoin API?

Theoretically speaking, if I know programming (C,C++,C# etc.) can I write my own mining pool software/server using only Bitcoin API or I need more information than that? ...
7
votes
2answers
201 views

Satoshi's bitcoind implementation bugs

I have seen referred in a couple of locations (bitcd and bitcoinj) that fully verifying clients should match the satoshi bitcoind client implementation, including its bugs, presumably to prevent ...
0
votes
1answer
144 views

Why on bitcoin client sender address is 'undefined'

Despite the fact that bockexplorer allows to navigate through transaction details and discover the sender address, why via bitcoin client the sender address remains 'undefined'. Is it possible to ...
3
votes
1answer
303 views

What's the difference between a bitcoin client and wallet?

I would like to know what is the difference between a client and wallet.
0
votes
1answer
89 views

How to keep Bitcions when reinstalling OS from fresh

I have the official Bitcoin wallet and I would like to do a fresh install of everything on the computer. How can I save my Bitcoins (and hopefully block chain)?
-1
votes
4answers
74 views

Where can I create a bitcoin address?

I wish to start mining but I could not since I do not have a bitcoin address. Where can I create this address?
0
votes
1answer
432 views

bitcoin-qt keeps on quitting with “failed to read block”

I just wanted to install bitcoin-qt on another machine (all others are working fine) but I cannot seem to retrieve the block chain using bitcoin-qt 0.8.6-beta (as downloaded from ...
-10
votes
1answer
82 views

Open source doesnt mean transparency [closed]

Code released by the XRP businessmen for both the client and server...is totally controlled by the XRP owners. Preprinting(easier than premining) is dishonest, and against fundamental principles of ...
2
votes
2answers
156 views

How to send bitcoin with a message attached

Is it possible to send bitcoins with an attached message with the transaction? If yes how to do it?
6
votes
4answers
313 views

Does the original Bitcoin client scale to contain millions of addresses?

We use the standard client in our business. The wallet already contains about 25k addresses. Will the wallet remain stable after the number reaches 100k or a million addresses? I was told that all ...
4
votes
1answer
325 views

Searching for the comprehensive guide to creating Crypto Currency

A few months ago I came across (by accident) a very detailed and well written guide on how to create your own crypto-currency from the bitcoin source code. I skimmed through it and "Stared" in ...