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8
votes
3answers
4k views

Why do I get `bitcoind: command not found` in Ubuntu?

I have built the bitcoin source on my Ubuntu desktop, and have installed the proper libraries via apt-get and building some. When I do: cd src bitcoind -daemon I get the error: bitcoind: command ...
19
votes
2answers
13k views

Why can't I get over 8 connections on my client?

How do I make my client acquire more than 8 connections? What settings in firewall and operating system, or flags at execution do I need to use to allow it?
23
votes
4answers
2k views

What is the difference between BitCoin, Bitcoin, and bitcoin?

I've seen several capitalizations of the term "bitcoin". What do all these mean?
11
votes
2answers
592 views

What are the problems with naive pool sharing mechanisms?

@David's comment on this answer suggests that naive approaches to mining pool management don't work. What attacks are possible on such naive approaches, such as every miner gets a share proportional ...
8
votes
4answers
494 views

Is there a Drupal shopping cart interface for Bitcoin?

Is there any Drupal SCI for Bitcoin available? Either tied into Ubercart or, more preferably, Drupal Commerce.
48
votes
7answers
10k views

Is there any way to track an individual bitcoin (or satoshi)?

For example, if I wanted to "collect" important bitcoins is there any way to track a coin rather than a series of transactions? If I wanted one of the bitcoins from the infamous "Bitcoin pizza" ...
28
votes
2answers
7k views

Is there some way to merge two wallets or to import/export addresses?

I've got one wallet.dat from my laptop and another on my desktop, each containing various (different) receiving addresses that I use pretty often. I'd like to merge them into a single wallet.dat so I ...
25
votes
1answer
27k views

How can I start my own mining pool?

Is there some relatively simple (and preferably free/open-source) solution for starting my own mining pool? How close to "turnkey" would such a solution be and with pool operators mostly running at 0% ...
17
votes
1answer
466 views

IPv6 support status

What is the current status of IPv6 support? From what I gathered reading the Wiki, protocol specifications support IPv6, but the original client does not. However, I also came across the description ...
37
votes
5answers
6k views

How can one remain relatively anonymous while using Bitcoin?

Bitcoin transactions are pseudo-anonymous. What can an individual that uses Bitcoin do in order to remain as anonymous as possible?
10
votes
3answers
707 views

How can I find out the address my payment will come from?

Can I find out the address I am going send from before making a payment? And could this be useful for merchants that want to identify my transaction?
-3
votes
4answers
1k views

If I convert my US Dollars to Bitcoins, will its value likely depreciate? [closed]

Is it worth converting 'normal' currency into Bitcoins with the hope of making a profit later, by converting the Bitcoins back into 'normal' currency? In other words, could it be seen in a similar ...
19
votes
6answers
1k views

Does flattr complement or compete with bitcoin?

I realise that the underlying technologies for Bitcoin and flattr are different, but do they serve the same purpose? For example: if I set up a webapp that uses micropayments for revenue (like github ...
21
votes
4answers
1k views

Are there any fundamental security vulnerabilities in Bitcoin?

Although Bitcoin does its best to prevent double-spending, could it still happen in practice? Is it just very unlikely that fraud could happen, or is there a mathematical proof that it could never ...
14
votes
4answers
4k views

Is there empirical data about a relationship between bitcoin price and difficulty?

There have been claims that Bitcoin price and difficulty correspond. Is there empirical data to support or refute this?
11
votes
1answer
5k views

How do I build Bitcoin from source in Linux?

I am running an Ubuntu Virtualbox, how do I build Bitcoin from source and run it in this environment? I'm using the build notes from the bitcoin core github and I get the following errors when trying ...
87
votes
15answers
21k views

Does hoarding really hurt Bitcoin?

Some people believe that hoarding hurts the Bitcoin economy. But are they really right? As long as corresponding goods vendors and services will be here to stay and reinforce people's faith in ...
6
votes
1answer
977 views

What are some of the risks of speculating on bitcoin value?

Just like a commodity it is easy to buy and sell bitcoins. Current value is so much higher then it was just a few months ago it seems like a really great investment. Especially when you consider that ...
8
votes
2answers
509 views

Are there any hosted online store solutions (a la Shopify.com) that are compatible with bitcoins?

Are there any hosted online stores that can be set-up easily to take bitcoins?
9
votes
3answers
2k views

Where can I find a graph of the current size of mining pools?

Where can I find a graph of the estimated size of each mining pool relative to the overall hashrate of the entire bitcoin network?
22
votes
2answers
2k views

What percentage of Bitcoin transactions never complete?

Occasionally transactions will be broadcast to the network that will show in a 0/unconfirmed status in the Bitcoin client. It is also the case that from time to time for various reasons those ...
9
votes
2answers
239 views

Do any of the Bitcoin exchanges implement trading curbs?

After the big hack of Mt Gox we all became aware that there is nothing in place to prevent "flash crashes." Most stock, FOREX and other exchanges have features like trading curbs or other market ...
7
votes
3answers
684 views

Which Bitcoin weakness most hinder Bitcoins ability to gain market and mind share? [closed]

Bitcoin has a few weaknesses. Among the well known ones are: Transactions are not instantaneous. Large numbers of transactions would bloat blocks. Transaction fees are needed in some cases. The ...
12
votes
2answers
2k views

Are there any Mining OS to be started from USB?

Considering my PC as a mining rig I don't want to install anything on HD. Setting up a system with full GUI mining capabilites (proprietary drivers, OpenCL, ...) can take some time. An out of the box ...
19
votes
3answers
34k views

What is a good mining pool/payout model for infrequent mining?

I usually mine only, when I do stuff using my PC so it is on anyway. So far I used Slushs Pool but they have a score based reward system, which seem to punish casual mining. If a long round ends >15 ...
55
votes
4answers
7k views

Have any cryptography experts vetted the bitcoin source code?

Theoretically, bitcoin's open source nature makes it more resistant to bugs and exploits. However, due to the specialized nature of the code, even many programmers don't fully understand the ...
50
votes
9answers
5k views

What methods could a government use to shutdown Bitcoin?

Let's say that a government decided to shut down the Bitcoin network. What options would they have to achieve this? Would they need to convince other governments? All governments? Let's set as a ...
36
votes
1answer
34k views

What are the bandwidth requirements of a mining rig?

How much bandwidth consumption can I expect per 900 Mhash/s rig (for instance) for both pooled and solo scenarios? I'm looking for a ballpark number for the on going requirements, after the initial ...
17
votes
5answers
2k views

Are there scientific studies related to the Bitcoin technology?

Besides “Bitcoin: A Peer-to-Peer Electronic Cash System”, which is more like a brief description of the general framework, are there other ‘scientific or research grade’ studies about Bitcoin ...
6
votes
2answers
259 views

Is the authentication system of the Bitcoin <-> SMS service PHONECO.IN adequate?

@osmosis made me aware of PHONECO.IN, which makes it possible to send Bitcoins via SMS. My question is whether their authentication system is adequate. From their website: PhoneCo.in is designed to ...
20
votes
5answers
1k views

Are Bitcoins destined to forever increase in value?

The idea of a currency with a limited number of units seems to me to be fundamentally different to existing currencies. While other currencies are generally based on permanent inflation - more 'units'...
20
votes
6answers
2k views

How can I send Bitcoins via SMS?

I am considering working on giving Africans access to trade using Bitcoins. In many ways, parts of Africa is more developed when it comes to mobile payments than the west. The success of M-PESA ...
16
votes
4answers
1k views

What are the legal processes that someone would have to go through in order to get a Bitcoin exchange operational?

One of the main perceived difficulties in getting started with Bitcoin is obtaining some in the first place. Naturally, for an exchange to be accepted into the mainstream it needs to be a recognised ...
186
votes
21answers
90k views

What is a good way to concisely explain Bitcoin?

Often I'm asked to explain Bitcoin to someone and occasionally I come up with something stellar that really nails it, but most times it's a rambling incoherent mess. What I would like to see is a ...
97
votes
12answers
9k views

Is there a way to set up proof-of-work systems so they would be even more useful?

One of the arguments made against Bitcoin's design choices is that it wastes resources authenticating transactions. In particular, finding small hashes is completely useless for the world. Are there ...
12
votes
4answers
3k views

How do I safely accept bitcoins without waiting for confirmations?

Are there any arbitrators that would guarantee the bitcoin transaction such that no one has to wait ten minutes to confirm the transfer of the said bitcoins?
39
votes
5answers
2k views

How do I accept bitcoin payments at a real world store?

From what I understand, there are some requirements for using bitcoins at a physical store: Both the store owner and the client must have Internet access The client must have a cellphone or a laptop ...
32
votes
1answer
51k views

How can I restore my wallet?

I just purchased a new laptop and I want to decommission my old one. I have a back-up of my wallet.dat file copied to my new PC. What do I need to do to restore it to my Bitcoin (Windows) client? ...
1
vote
3answers
906 views

Why is DiabloMiner using so much CPU now?

DiabloMiner uses about one 50% of CPU on my system (distributed among 2 cores). I could have sworn that it used almost no CPU (1-2% max) in older versions, but I'm not really sure if I should report ...
12
votes
1answer
2k views

What was the last life sign of Satoshi Nakamoto?

I heard that the name may be a pseudonym and that very little is known about the initiator of bitcoin. Also it seems that he has stopped working on the main client. When was his last verifiable life ...
31
votes
2answers
2k views

Do mining pools centralize the Bitcoin network and make it less secure?

A mining pool with a significant percentage of the hash rate could allow double spend attacks by the pool manager. There are a number of pools that approach this level. However, most people say that a ...
9
votes
4answers
367 views

Are there any feasible methods of maliciously reversing transactions?

How can transactions be maliciously reversed? What resources are required?
18
votes
1answer
16k views

What are the perceived advantages of bitcoin as a means of exchange?

There are lots of ways to send money - western union, paypal, bank wire, etc that are more established and fairly quick. What are the advantages of using bitcoin from a bitcoin-proponent's point of ...
20
votes
5answers
967 views

Is there an easy way to give people a Bitcoin address?

I see that Bitcoin addresses have built in checksums that helps prevent typos (ie. it is highly unlikely that you can mistype a Bitcoin address and have it still be valid). However, I still think the ...
58
votes
3answers
13k views

Should I leave the Bitcoin client open?

Some people recommended that I leave my Bitcoin client open because it helps the network. Apart from the security implications, why should I do this? I thought that miners were the ones responsible ...
10
votes
2answers
462 views

Decentralized transactions between two decentralized currencies

Currently, bitcoins and namecoins are implemented using the Bitcoin protocol. And there might be several reason for new block chains to appear, but this is not the subject here. As far as I know, ...
15
votes
2answers
2k views

What happens if hash rate decreases rapidly?

Since difficulty is only adjusted every 2016 blocks, what would happen if hash rate was to decrease rapidly? Wouldn't this cause blocks to be created less frequently and also making the time until ...
14
votes
11answers
4k views

Where can I find people willing to pay me in bitcoin for services?

For those of us unable or unwilling to spend our native currencies on bitcoin, but willing to work for them. Where are the bitcoin-jobs(or micro-jobs) to be found?
0
votes
1answer
377 views

Could Bitcoin work as a world currency? [closed]

We've seen the issues taking place with the Eurozone, notably that countries who share monetary union seem to ultimately need to share economic union, which tends to lead to political union. Is there ...
0
votes
2answers
282 views

Are there any bitcoin banks (online services) and what are the benefits and pitfalls of using them? [duplicate]

Possible Duplicate: Is there a solid "Bitcoin Bank" yet? Say that I wish to control my bitcoins from a (for me) single point and I don't have the technical resources to have a single ...

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