Bitcoin is a decentralized digital currency based on the open source protocol created by a pseudonymous developer named Satoshi Nakamoto.

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11
votes
1answer
16k views

How do I use the Bitcoin GUI app to mine bitcoins?

I'm new to Bitcoin. I installed and ran the GUI app, checked "Generate Coins" in the Settings menu, and the status bar reads "Generating". How do I know if it's actually working? I'm aware that ...
10
votes
4answers
4k views

Import a Bitcoin account

I have a new computer, and my Bitcoin keys are on my old PC. Is all of my private data in wallet.dat? What is the procedure to make the transfer properly from my old PC to the new one?
9
votes
2answers
14k views

Getting a GPU Bitcoin miner for Linux 64bit

I've just learned about the awesome world of Bitcoins. I've learned that the only way to make a decent amount of bitcoins is to "mine". However, everywhere I look, the miners are for Windows and those ...
5
votes
4answers
296 views

What is Bitcoin? [closed]

Can someone explain what exactly is Bitcoin?
4
votes
2answers
4k views

amd gpu but display on intel integrated graphics

On my Ubuntu 12.04 I connected my monitor to the onboard intel graphics. I'd like to use my ati radeon 6770 for opencl tasks (e.g. bitcoin mining). So far I couldn't figure out how to get the ati ...
4
votes
1answer
294 views

Bitcoin synchronization freezes my computer

I've a fairly decent laptop, with good CPU, 4Go of ram and a SSD harddrive. Nevertheless, when I run the bitcoin client (0.4 or 0.5), the whole computer freezes for several minutes then is usable for ...
3
votes
3answers
6k views

how to install bitcoin-qt wallet on debian 7

WARNING: Complete noob to linux (somewhat noob - if something can be installed w/ a package manager, I'm ok, else completely lost). I loaded debian 7 on a VBox VM (took 2 days to get everything to run ...
3
votes
1answer
11k views

How to generate a litecoin address? [closed]

I've downloaded the litecoin client and am trying to create an address. How do I generate one? Everything I put in results in a message: The entered address "" is not a valid Litecoin address.
2
votes
3answers
15k views

Bitcoin mining with Integrated graphics

I have Intel HD Graphics Family I thought this would be powerful to mine bitcoins really well. Is this even a GPU ? I used different miners (DiabloMiner, OpenCL, cgminer...) which all use just the ...
2
votes
1answer
437 views

Bitcoin wallet backup “0/unconfirmed”

I get an "11dbexception" error saying "not enough space" and some transactions won't show up on the list. I've checked on Google, then erased everything but the current wallet.dat file from my Bitcoin ...
2
votes
1answer
162 views

Do all P2P connections need a server to connect them to each other?

I have questions about the way P2P works - Do all p2p nodes need a server to connect them to each other ? (For example, pptp is a p2p connection but it users a vpn server, while bittorrent is also ...
2
votes
2answers
2k views

Server hijacked / being used as bitcoin miner - how to I stop this?

I'm in a bit of a situation, my server has been hijacked and it appears to be involved in a bitcoin mining operation. I need to know where to start at least, I'm a novice system admin and haven't ...
2
votes
0answers
228 views

How can I use bitcoind from the command line on OS X

Apparently bitcoind should be bundled with Bitcoin-QT which I have installed, but I can't find it?
2
votes
1answer
1k views

Creating my username and password for bitcoin

I'm reading this article for Windows Bitcoin mining Now, it tells me I need to create a Username and Password, but, when I run the batch, it says: Wrong Username or Password How does the ...
2
votes
1answer
2k views

Display with intel integrated graphics, bitcoin mine with Radeon 6950

I'm on Ubuntu Linux 11.04 64 bit. I have an intel i5 with integrated graphics and a Radeon 6950, with one monitor. I would like to run my graphics on the integrated card, and run bitcoin mining on ...
2
votes
0answers
698 views

Is BitCoin a scam (Seeding Initial Wealth)? [closed]

Hopefully You're aware of what BitCoin is (supposed to be)... Seeding Initial Wealth When the federal reserve "prints money", it doesn't just mail million-dollar checks to random Americans. It ...
1
vote
1answer
562 views

How can I buy Bitcoins / Litecoins with Paypal or a credit card? [closed]

I've tried looking for a simple solution for buying Bitcoins or litecoins with Paypal or a credit card but it seems that all of the places around are accepting only wire transfers. Is this logical ? ...
1
vote
1answer
196 views

Is keeping cpu on %100 is dangerous? [duplicate]

I'm a bitcoin miner and my pc unfortunately doesn't support gpu mining (keeps crashing my drivers) so I use cpu mining. However, is keeping my cpu on %100 dangerous? I have a dell inspiron 3542 with ...
1
vote
2answers
148 views

How to store cryptocurrencies safely? [closed]

How paranoid should you be when storing cryptocurrencies? 1. I am currently storing some BTC and LTC at paper wallets, but this does not feel good because what if the paper wallet gets 100 ...
1
vote
1answer
2k views

No such file or directory when file exists

I have a file called bitcoind in /usr/bin/bitcoind: bitcoin@Titan:~$ ll /usr/bin | grep bitcoind -rwxr-xr-x 1 bitcoin bitcoin 7789600 Nov 25 10:39 bitcoind* However, I cannot execute it: bitcoin@...
1
vote
1answer
3k views

How can I install OpenCL on Windows 8 Consumer Preview?

I have an Intel Core i3 540. It's got integrated graphics, as far as I know. I'm running the Windows 8 Consumer Preview. I've wanted to start mining bitcoins for fun, but I've been disappointed with ...
1
vote
1answer
49 views

Bitcoin core GUI setup, and test server

I have set up the program and the sync is almost over, I opened ports and wanted to test Full node capabilities, I tried the test on this site https://getaddr.bitnodes.io/ , sometimes it is green, and ...
1
vote
1answer
624 views

calling json-rpc via curl

I'am running Bitcoin-qt 0.8.6.1-beta on Qt 4.8.3 on windows 7 64. below is my .conf content in %appdata%/bitcoin folder rpcuser=bitcoinrpc rpcpassword=ahything rpcallowip=127.0.0.1 rpcallowip=192....
1
vote
1answer
61 views

Send Bitcoin Pool Information to another system for solving

I have a rig that I'd like to use for Bitcoin Mining. The rig has no access to the internet, but has the capability to SSH in to the machine. Unfortunetly there's no way I can fix this, so I'm looking ...
0
votes
1answer
425 views

Why is GPU used for mining bitcoins? [closed]

Something that I have not really grasped is the idea of bitcoins. Especially since everybody can mine for it using a powerful GPU. I wonder why is GPU used for this purpose? Is the work done by GPU ...
0
votes
1answer
3k views

Why does minerd.exe*32 process run in my windows 7 machine?

I have noticed now suddenly that a process called minerd.exe*32 runs in my system along with process update.exe*32. These processes eat of a lot of CPU cycles. I googled minerd.exe. I came to know ...
0
votes
0answers
7 views

Privacy: what if I run my Bitcoin Core for a first time without configuring it to use tor?

I'm very new to bitcoin. Sorry for maybe silly or paranoid questions, but: Do I compromise myself in any ways when I first time run the official Bitcoin Core client for downloading all transactions ...
0
votes
1answer
390 views

Downloaded Bitcoin core from Github, getting configure error: (configure: error: libdb_cxx headers missing)

I'm following along with Andreas Antonopoulos Bitcoin book Mastering Bitcoin Chapter 3 (The Bitcoin client) I'm on a Mac and used homebrew to install the dependancies: brew install autoconf automake ...
0
votes
1answer
186 views

How to check CPU temperature on BAMT (Debian)

How can I check CPU temperature on BAMT? BAMT is Debian based bitcoin/litecoin mining distribution (kernel is 2.6.32-41 32 bit version). I've tried with lm-sensors, every time I'm using, I'm ...
0
votes
2answers
3k views

Using PCIe risers, how many GPUs can fit on one motherboard and what power supply would it require? [duplicate]

I'm going to make my own mining rig for bitcoins. I have a friend who's going to build me a custom casing for it so it will be open air. Now what I want to know is how many GPUs can be crammed onto ...
0
votes
1answer
245 views

How can I add a Bitcoin donation link to my website? [closed]

I figure something like a hyperlink + QR code would do the job, but I don't want to accidentally upload my private key. Is there a Bitcoin service that makes this easy to manage?
0
votes
3answers
2k views

Bitcoin daemon consuming over 581Mb of memory with 35 connections

With 35 connections, my bitcoind consumes 581Mb of memory which is over half of my total memory in VPS (1024 total) and I need memory also for other services such as apache2 and mysql on my server. ...
-1
votes
1answer
52 views

Bitcoin faucets show “Server Error 500” on my network, but on others works fine

I am a bitcoin enthusiast, and i use faucets to increase my balance. Before this network i have now, i had a free wifi that is unfortunately closed now. So now i got a router (TP-LINK TL-WR740N), ...
-4
votes
1answer
63 views

How many Bitcoins could I mine per month [closed]

I was curious about Bitcoin mining, and I was wondering how many Bitcoins I could mine in a month with a 50 GTX 980 TI. If anyone has any good links on where to start off in terms of research that ...
-4
votes
3answers
73 views

Extract text from every three lines using Windows

I have a HUGE text file with details of my site users. (11GB+). It's built like that: Email: example@gmail.com Address: 1blahblahblahblah (Bitcoin Address). Password: blahblahblah Each of the ...