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1500 questions
29
votes
8 answers
What hash rate can a Raspberry Pi achieve? Can the GPU be used?
A Raspberry Pi is a credit card sized $25 (or $45, for the deluxe option) computer, designed for educational use. Has anyone tried running mining software on it? If so, what's the hashrate like? (apparently the CPU is approximately equivalent to a…
Highly Irregular
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29
votes
9 answers
How can I generate a vanity Bitcoin address?
I once found a program that was capable of creating Bitcoin addresses with specific words in them, but can't find it now. Is there a trusted program, in the Ubuntu repositories for example, that can generate these 'vanity' addresses?
user893
29
votes
1 answer
What is a bid wall?
On the bitcointalk forums I hear a lot of talk about "bid walls". I have never heard of these in other types of financial markets. It seems that people use them as a way to support the price of a bitcoin.
I think i read the forums too much that I…
Kevin
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29
votes
2 answers
Are there any studies into the size of the blockchain scaling over time?
After watching some of one of the 28c3 talks, It got me thinking about just how scalable Bitcoin really is.
With the size of the blockchain currently, given the number of transactions/users, will the size of the blockchain be manageable as Bitcoin…
Sean Chapman
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29
votes
10 answers
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? Where and how?
Update (from Serith's answer):…
nealmcb
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29
votes
3 answers
Can I use Bitcoin mining as a data furnace to heat my home?
One of the waste products from Bitcoin mining is the heat that is given off by the GPUs. On cold days could this excess heat be used to warm a home, essentially creating a data furnace? When it gets warmer then the rig can be optionally shut…
Gary
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29
votes
3 answers
Where can I access the original, Satoshi written Bitcoin code?
The articles of https://bitcointalk.org/index.php?topic=41718.0 seem to be annotated walkthroughs, and I'd like to see the raw code, as it was originally written in the first release.
erasmortg
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29
votes
3 answers
When will the last Bitcoin be mined?
Estimates have been thrown around a lot recently as to the year in which the last Bitcoin will be mined- where are these estimates coming from? Could someone send me to the relevant code?
Jason Dreyzehner
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29
votes
10 answers
What open source miner applications are there?
What open source miner applications are there? Especially to see how the mining process works.
ilhan
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28
votes
1 answer
What is proof-of-stake?
As we know one of the important mechanisms of Bitcoin is proof-of-work.
How does the concept of proof-of-stake work? How does it differ from proof-of-work?
Dr.Haribo
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28
votes
3 answers
What is "difficulty" and how it relates to "target"?
I don't understand what "difficulty" means and how it really relates to "target".
I understand what "target" is - it tells the miners, how small the resulting hash should be. (Basically, how many zeroes are there at the beginning, altough not…
Karel Bílek
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28
votes
2 answers
What does the term "Longest chain" mean?
What does the term "Longest chain" mean, as there is only one 'right' blockchain exists? How another longer chain would make the 'right' chain invalid?
vi.su.
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28
votes
2 answers
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 can see all my balances in one place.
If there…
David Perry
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28
votes
1 answer
How big is the UTXO database?
Is there a query that will return the size of the UTXO database? Specifically, the total number of unspent outputs.
pinhead
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28
votes
4 answers
What are the downsides of proof of stake?
I am very skeptical about the security of the proof of stake system. Is it really that secure? Are there no disadvantages?
Felipe
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