All Questions

28
votes
11answers
8k views

Can bitcoins be “sold short”? Or are there “put” options?

Borrowing an asset and "selling it short" facilitates finding the appropriate price for the asset, allowing people to bet that the asset is overpriced (e.g. in a "bubble"). Can bitcoins be sold short?...
19
votes
8answers
7k views

Which Bitcoin escrow services are available - and reliable?

For some transaction, the possibility of generating "chargebacks" might be very useful. For example, when trust cannot be established between both parties. In such cases, a trusted third party may be ...
12
votes
5answers
668 views

Does the bitcoin design make bitcoins suitable as a medium of exchange, a store of value, or both?

Money is often seen as having various functions, such as "medium of exchange" (something useful for conducting transactions, and "store of value" (something valuable as an investment). Was bitcoin ...
17
votes
1answer
2k views

Who is Satoshi Nakamoto?

Who is Satoshi Nakamoto? I have heard about him and read his paper. Why is he no-longer publicly involved in Bitcoin?
21
votes
4answers
932 views

How can I contribute to the open source Bitcoin project?

Generally speaking, how can: A) A programmer contribute to Bitcoin? B) A non-programmer contribute to Bitcoin? Essentially; which areas are in most need of programming work / non-programming work?
24
votes
3answers
5k views

What factors affect the value of a Bitcoin?

Obviously the number of existing Bitcoins affects the value, but what else? What are some of the primary factors for a rise or fall in a Bitcoin's worth?
11
votes
3answers
730 views

Are there alternatives to Bitcoin which take a different approach?

Are there any alternative approaches to decentralized, electronic currencies? Bitcoin was built with certain technical characteristics in mind. I'm hoping to see if there are alternative approaches. ...
12
votes
3answers
1k views

Do wallet stealing viruses exist?

After I install the bitcoin client, what are the risks of browsing the Internet? Can my wallet be stolen? Are there any known viruses/websites etc....?
8
votes
3answers
147 views

Is there a list of news articles related to bitcoin?

What articles if any have been in the mainstream media about bitcoin?
7
votes
2answers
978 views

What is the “silk road” and what does it have to do with bitcoin? [closed]

I have read a lot about the silk road and I am still unsure what it is. I went to http://silkroadmarket.org but it just says that the site is down.
14
votes
3answers
1k views

Eligius pool and 'generated' bitcoins

I mine at Eligius pool and sometimes a new transaction appears in my bitcoin client labeled 'Generated'. Why does this happen? Do I also get these 'Generated' bitcoins if I use an e-wallet's address ...
16
votes
7answers
29k views

Can a bitcoin transaction be reversed?

If I sent bitcoins to someone, but then want to cancel this transaction after it was already made (like a chargeback on a credit card), is this possible with Bitcoin?
38
votes
7answers
23k views

What happens if I mistype the address when making a payment?

I sent bitcoins to an address, but I think I made a typo when I copied it. Where did these bitcoins go. Can I get them back?
40
votes
4answers
42k views

How do I see the IP address of a bitcoin transaction?

How do I see the IP address that someone used to send or receive bitcoins with? Is it stored in the blockchain?
9
votes
2answers
1k views

Is there an easy way to search all the transactions?

Is than an easy way to search the list of all bitcoin transactions? For example to find all the bitcoins sent to or from an address?
23
votes
8answers
2k views

Can I send bitcoins with my mobile phone?

Is it possible to send and receive bitcoins with a mobile phone? If so, are there bitcoin clients for Android or iOS?
64
votes
9answers
80k views

Where do bitcoins come from and what gives them their value?

Where do bitcoins come from? From the WeUseCoins.com video it appears they are just being produced by "miners" and sold to people. So who backs Bitcoin or gives it its value?
54
votes
7answers
42k views

Can bitcoins be counterfeited?

Traditional currencies have anti-counterfeiting features designed to make them hard to copy, but despite this attempt counterfeit money is a real threat. Since bitcoins are digital, it's trivial to ...
17
votes
2answers
709 views

Apart from the official bitcoin client what other clients are there?

Apart from the official client found at the bitcoin.org site what is the list of alternative bitcoin clients? And what OS do they work on?
7
votes
1answer
318 views

How did transaction fees work in the version 0.3.24?

Is there a minimum transaction fee for every transaction? When do I pay a fee over the minimal fee?
15
votes
5answers
1k views

Is there a list of core Bitcoin committers?

Where can I find a list of people that can commit directly to the github project?
21
votes
8answers
3k views

What wallet / e-wallet is the most convenient for new casual Bitcoin users?

I'd like to make small payments for business purposes through Bitcoin, so would like to know what the easiest method of getting setup to accept a Bitcoin payment is for a regular person, so that I can ...
10
votes
3answers
2k views

Why does poclbm acquire 100% CPU?

I recently switched from WinXP32bit to Windows7. While under XP poclbm took about 5% CPU Time of one core, now it uses one core with 100%. Is there a specific reason for that? I now use AMD/ATI ...
11
votes
2answers
763 views

Are the capabilities of Namecoin a strict superset of Bitcoin?

I have read that "while Bitcoin is a currency, Namecoin is not". Isn't the capabilities offered by Namecoin a superset of Bitcoin's capabilities? If everyone in the world agreed to jointly migrate ...
18
votes
4answers
5k views

What is the “blockchain”?

What is the blockchain? I keep hearing about other "blockchain technologies", does this mean other cryptocurrencies or what?
9
votes
1answer
656 views

How to configure the official bitcoin client to conveniently use offline wallets?

This is a follow up question to "How can I keep my wallet secure?" Is there a portable (at least Win32&64/Linux) to configure the official bitcoin client to use only offline wallets to be ...
13
votes
1answer
1k views

Were all funds stolen from Mt. Gox finally returned to all users?

Mt. Gox was hacked in June 2011, and some funds were stolen. There was a long winded account reclaim process. At the end of this process, were all funds really returned to the satisfaction of all (...
59
votes
7answers
155k views

How many bitcoins will there eventually be?

Since bitcoins are being regularly rewarded to miners, will the number of bitcoins continue to grow indefinitely, or will there be a maximum total number of bitcoins in existence? And if there is ...
3
votes
0answers
140 views

What are the perceived advantages that bitcoin has over other currencies or other ways of sending money? [duplicate]

Possible Duplicate: What are the perceived advantages of bitcoin as a means of exchange? Suppose that the value of Bitcoin in USD magically remained constant from this day forward. What unique ...
10
votes
2answers
981 views

Is there a solid “Bitcoin Bank” yet?

Once MyBitcoin was thought to be a "solid bitcoin bank". Then it was hacked and a lot of people lost a lot of money there. Is there another, secure alternative for storing Bitcoins except storing ...
3
votes
0answers
320 views

Are there really messages in the blockchain? [duplicate]

Possible Duplicate: How can one embed custom data in block headers? Someone told me a hacker put messages in the blockchain. What does this mean? Edit: related asked/answered question How can ...
173
votes
8answers
106k views

What exactly is Mining?

I have heard that mining is for people with ready hardware and blah blah blah... But what exactly is it? Does it operate like real mining? I mean, people talk about it like you are physically mining.
49
votes
2answers
37k views

What are bitcoin “confirmations”?

When I receive bitcoins I see a certain number of "confirmations" in the client. What do these mean? Why do most sites make me wait for 6 "confirmations" before a purchase will go through?
4
votes
6answers
21k views

Where can I find a graph of Bitcoin value vs USD for over 60 days?

Bitcoin Charts seems to only offer graphs of up to 60 days.
25
votes
6answers
4k views

What is the current legal status of Bitcoin around the world?

Has there been any concrete information about the legality of Bitcoin in any country? Since any information can be injected into the blockchain, then if child porn / copyrighted material is injected ...
3
votes
0answers
396 views

How much business has Bitcoin brought Meze Grill up to now? [closed]

(Up and including August 2011) Meze Grill was the first restaurant to accept Bitcoin. Has this option generated revenue for them?
10
votes
3answers
3k views

Where can I find graphs the values of alternative crypto currencies?

Hashrates and value in BTC. Is there one site that can show them all, perhaps even on the same chart?
10
votes
1answer
786 views

When did merged Namecoin-Bitcoin mining start?

(This question was originally asked before merged mining began) When exactly did merged mining of Bitcoin and Namecoin chains start?
14
votes
1answer
3k views

What is a Mining Pool, what is it good for?

What advantages / disadvantages does it offer over solo mining?
72
votes
6answers
18k views

How can I accept bitcoins on my website?

I have an online store and would like to begin accepting bitcoins. How can I go about doing this?
25
votes
1answer
31k views

How to mine in Ubuntu?

How do you mine in Ubuntu 11.04? Are there any GUI miners like poclbm-gui for Ubuntu?
19
votes
7answers
4k views

Will we ever need smaller amounts of Bitcoin than a Satoshi?

Will there ever be a need to create a unit of Bitcoin smaller than a Satoshi? See also: What is a 'Satoshi'?
11
votes
4answers
30k views

Is there an efficient way to exploit arbitrages between the different exchanges?

The Bitcoin ratio vs other currencies is not the same among exchanges. Is there currently a way to exploit this arbitrage and profit?
107
votes
9answers
319k views

How much Bitcoin will I mine right now with hardware X?

Say I have a given piece of hardware (CPU/GPU). Where can I find out how much Bitcoin will I mine per day?
25
votes
5answers
12k views

What happens to my bitcoins if lose my wallet file e.g. I suffer data loss and my computer is unrecoverable?

You run bitcoin as a service on your local computer. What happens if this computer is compromised? A corrupt/failed hard drive or theft leads to the machine being lost and unrecoverable, and my ...
7
votes
2answers
449 views

Is there an easy way to diversify your Bitcoin holding among the other popular forks?

Recently there has been a spread of Bitcoin clones, starting with Namecoin and following with other newer clones. There is a chance these coins will appreciate relative to Bitcoin. Is there an easy ...
148
votes
5answers
240k views

What is a 'Satoshi'?

I am aware that Satoshi Nakamoto is the author of the paper that originated Bitcoin and the creator of the original bitcoin client. However, I often hear the term Satoshi as if it was a monetary unit. ...
25
votes
2answers
5k views

Will all 21 million units be completely mined one day?

It is written that the supply of Bitcoin units is limited to 21 million and that this limit will approximately have been reached around the year 2030. But is there an actual "last Bitcoin" (or "last ...
19
votes
2answers
14k views

What's the difference between an ASIC and an FPGA? Which is better for mining?

I'm a software guy with only the most basic of hardware training/knowledge so while I understand the basic concepts of ASICs and FPGAs the details are beyond me. What are the primary differences and, ...
18
votes
6answers
701 views

Will forks and alternative block chains cause hyper-inflation of decentralized digital money?

Great effort has been put into Bitcoin's concept of money supply and that there will never be more than 21 million units. However, it's relatively easy to fork it and create alternate block chains. ...

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