Lets say someone started making real viable quantum computers that were affordable enough that large companies could buy one. And lets say a quantum algorithm was devised to crack the private keys of Bitcoin public […]

Can I use my Bitcoins to buy household commodities just like ordinary money? You see, I’m a newbie and have yet to learn the basics including all the facts about Bitcoins. However, I want to […]

I want to fetch transactions for an address from the following api: https://blockchain.info/address/$btc_address?format=json The thing is understanding the json returned from the api, I don’t understand which of them are the transaction and the time […]

I am wondering if I can use node.js and levelup to access a copy of the blockchain database directly. But from what I can see, I need to know the name of the key(s) before […]

The following link contains details on how to reverse the ECDSA signature if given two identical “R” values. http://www.nilsschneider.net/2013/01/28/recovering-Bitcoin-private-keys.html I have read over this and there’s one part I don’t understand; how he got the […]

So, after much struggling and a few reinstallations, I got my nVidia Geforce 8400 GS mining by installing the correct drivers, nvidia-cuda-toolkit, openssl, automake/autoconf, and cudaminer. The trouble is, while mining I can do hardly […]

I’m trying to use the python-bitcoinlib in my Bitcoin project. I now understand how I can send a payment, but I can’t find anything similar to the getreceivedbyaddress() command I normally used. Isn’t it present […]

I would like to know where can I post What I think and have a discussion on Bitcoin issues rather than ask/answer questions, or is this just an ask and answer area?

Do they write wrappers around bitcoind or is there a better solution out there? Some exchanges handle dozens of digital currencies, does this mean they are running bitcoind, litecoind, dogecoind, etc concurrently?

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 […]