I am going to develop an exchange website in PHP something like http://coinbase.com, Now, I have setup the http://bitcoindevkit.com/ for it and its running fine generating new addresses in the same wallet, but now I […]

I did these things but Bitcoin still says 0 connections. What’s the problem? Windows 7 32bit. Installed bitcoin-qt Installed Tor Browser bundle I allowed all local outbound connections in my firwall (remote connections allowed only […]

I’ve seen the term “dust” used to describe small transactions that might be considered as spam by the Bitcoin network. Is there is a generally accepted definition of this term?

where in the Bitcoin Protocol is SHA256(SHA256(x)) performed and why?

I’m trying to understand how a partial fill would / should happen at an exchange and how that would occur For example, if the BTC rate was $10/BTC and Someone wanted to buy 100 BTC […]

The blockchain.info API allows for querying information about a particular Transaction by its ID. But if you want to follow the coins to the next transaction, I’m not seeing what the next query should be. […]

I am using BitcoinJ for my java application which fetches the test network’s genesis block. I referred to the basics mentioned at JavaWorld and BitcoinJ’s Google Code wiki. I am able to get it running […]

In the situation that you want no individual to have the complete private key, but you do want to share the complete key between 3 individuals, of which any 2 can construct the complete key, […]

I’d like to extract the most performance possible from oclvanitygen. Can anyone tell me what the best practices are with this tool? Examples may include: Use operating system X, or video card Y Ensure that […]

I’m toying with the idea of starting to mine, and was wondering how to calculate how many hashes on average must be tried before one will “hit” a valid block? I’m talking about a single […]