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4
votes
1answer
905 views

What is the “unit of account” in terms of Bitcoin?

Traditional economics depend on a "unit of account". Can anyone explain how a "unit of account" would be manifested in Bitcoin if so desired?
0
votes
1answer
1k views

Linux poclbm error

I'm running on linux, just installed PyOpenCL, but when I run poclbm I get this error: 03/01/2013 16:49:12, Ignored invalid server entry: username:password@host:port Traceback (most recent call last)...
12
votes
4answers
5k views

Why are companies selling mining hardware instead of using it themselves?

I'm not (yet) using Bitcoin, and I'm just approaching this world as of now. I stumbled upon some merchants that sell mining hardware (with some GH/s). But I've yet to understand what they gain, apart ...
3
votes
1answer
342 views

What Income Could I Expect as an OTC BitCoin Trader

How long is a piece of string? Given "typical" UK market conditions, if I wanted to trade BitCoins as an OTC trader (via LocalBitCoins, IRC etc) - what income could I expect? £10/day? £100/day? £1000/...
0
votes
1answer
158 views

Various questions regarding wallet and mining

Ok so I downloaded the bitcoin program and started it up. And the program started downloading thousands of blocks. I haven't clicked anything or signed up anywhere, I have tried and i think succeeded ...
5
votes
1answer
2k views

How Does trading on the Exchanges Work?

Pardon my Ignorance but can somebody explain the basics Of how trading (Bid Buy/Bid Sell) works of the common exchanges www.mtgox.com www.btc-e.com Aslo some of the common ways people or ...
1
vote
1answer
3k views

What does it mean by Public Key on the Vanitygen Pool?

When I wanted to request a vanity address from https://vanitypool.appspot.com/ it asked me for my public key. I tried my main address, but it said it was too short. What should I put there?
2
votes
1answer
129 views

Can the outputs of a transaction change over time?

I would like to know if the outputs of any given transaction can change over time. For example, suppose I send a payment to three different addresses creating an unconfirmed transaction with several ...
4
votes
0answers
61 views

When should I increment the sequence number vs creating a brand new Tx? [duplicate]

Possible Duplicate: What is TxIn’s sequence? What are the logical conditions that would require me to change a sequence number? Suppose there is this transaction txid: abcdefghi... sequence:...
3
votes
1answer
218 views

How do I read a script? How does the processor separate “data” from “commands”?

I'm trying to understand how a script works but am having trouble reading a script (the output of one Tx... and the input of a second Tx) and figuring out how the computer (bitcoin-qt) knows which ...
3
votes
1answer
399 views

How should a Bitcoin Oracle verify a transaction prior to signing?

What are the specific parts of a transaction(s) that need to be signed in the "inheritance scripting sample". Specifically, can someone provide more detail on what exactly is signed of the ...
21
votes
3answers
5k views

Why does Bitcoin support both compressed and uncompressed keys/addresses?

My question is about the difference between compressed keys and addresses, and i know it was addressed in another question but my question is less about the theory and more about how the keys are used ...
7
votes
3answers
3k views

Can I send message inside the transactions script?

I would like to send transactions with messages as described in the wiki. In Transaction with slightly changed script is never relayed, someone answered that non-standard transactions are not relaid ...
3
votes
1answer
378 views

Vanity Mining Error?

Well after getting a new graphics card (7770) I can mine bitcoins at around 120 - 180 Mhash/s Depending if I run it at full power or not. Now I thought I would try and mine myself an address using it ...
3
votes
1answer
273 views

Double spending from “green addresses” & mitigation

Suppose a user pays for a service (service1) using a "green address" (0 confirmations required) and service1 needs to immediately respend it using it's own green address How many blocks should the ...
36
votes
2answers
47k views

How do I import a private key into Bitcoin-Core?

How do I import a private key into Bitcoin-Qt? bitcoind is nowhere to be found, and pywallet says it requires "bsddb" when I run it, which is also nowhere to be found. I generated some vanity ...
3
votes
2answers
788 views

blockchain.info JSON API problem

I'm trying to get the time series for a specific period from Blockchain but the JSON seems to not be there anymore. Does anyone know if the JSON API is not available anymore or it is a temporary issue?...
6
votes
2answers
3k views

Why are fiat Currencies inflationary and Bitcoin deflationary?

Why are all fiat currencies inflationary, and lose value with time? Could governments make them deflationary? What are the advantages of inflationary currency compared with deflationary currency? ...
6
votes
1answer
292 views

How to configure a bitcoind instance solely designed to contribute to the network?

I'd like to run a headless bitcoind instance on a server, in order to contribute to the network. Are there any specific configuration options that are recommended for that purpose? My intention was ...
0
votes
1answer
596 views

Check block reward

So this is an exercise for fun as we know the block reward already. But how would you get the bitcoind to show the block reward for the next block? There is no bitcoind getblockreward but is there a ...
3
votes
2answers
523 views

Where do the majority of Bitcoin transactions take place?

I'm new to Bitcoin and am trying to wrap my head around where and when bitcoins are used. I understand that Bitcoin is accepted by a lot of legitimate websites (now reddit, wordpress, etc) for ...
3
votes
4answers
6k views

How do i install bitcoind on my redhat linux server?

I have recently created an api that runs the bitcoind commands. I had it running on another server, but it was setup by someone else. I have been searching for sensible instructions on how to install ...
7
votes
1answer
2k views

How is locktime enforced in the standard client?

I am trying to study the locktime feature of transactions ( https://en.bitcoin.it/wiki/Protocol_specification#tx ). I have created some raw transactions in the testnet with different locktimes, but, ...
-2
votes
1answer
766 views

The bitcoin miner lags my cpu 99% and how i will earn bitcoins

Bitcoin Miner program uses my CPU 99% can you just little make it no laggy and how do i earn bitcoins? in the internet sites and forums they dont sya anything about earning bitcoins
5
votes
1answer
440 views

What is the schema of the data stores used by the reference client?

I'm interested in seeing the schema (layout and indexes) that is used in the reference client. Namely wallet.dat, the bk** files and also the in-memory uncommitted tx. Does this exist anywhere for ...
5
votes
2answers
14k views

Is CPU mining worthwhile for Litecoin? FPGA? GPU?

I'm interested in solo mining on Litecoin. Where can I learn about (or what math is required) two tell if this is feasible/profitable? Currently I have 30+ CPUs running as solo miners for 40 hours ...
6
votes
1answer
479 views

Where can I learn more about BIP30; namely the exploit and the background discussion?

I'm having trouble understanding the bug that was fixed in BIP030, and how it would be exploited. Is the premise of this attack that there would have to be a netsplit and the chain was forked, then ...
7
votes
3answers
25k views

Is there a command line Bitcoin CPU miner for Windows?

Is there a Bitcoin miner that I can run using the command line on Windows? I want a CPU miner, not a GPU miner.
1
vote
1answer
161 views

Can someone explain this [outdated] BIP12 OP_EVAL exploit?

I understand that BIP12 was withdrawn, and probably because of this exploit below. Can someone explain how this attack would have worked and the effect it would have on the network? for (;;) { ...
0
votes
0answers
50 views

How Long for a transaction? [duplicate]

Possible Duplicate: How to debug a long “0/unconfirmed” status in the bitcoin client? I have sent a transaction to btc-e and 3 Hours later still no love I thought there was 6 new blocks per ...
15
votes
5answers
68k views

How can I convert bitcoins to Indian rupees and vice-versa?

How can I convert bitcoins into Indian rupees (INR) and get them in paper rupee notes?
2
votes
1answer
4k views

I lost my Bitcoin wallet passhrase. Are my Bitcoins lost?

After reading about all the hacks I created a passphrase that I cant remember. Are Coins lost forever in the blockchain? There must be a lot of coins in this state… Is there any way to see what coins ...
8
votes
1answer
6k views

How is a Transaction ID generated & when does it change? (with a new sequence ID?)

I'm creating a non-mainstream client that processes and validates Bitcoin transactions and need to track transactions in my database. How is the TxID generated and when does it change? ...
3
votes
1answer
269 views

Are all the *coin networks consistent in which script actions are permitted and disabled?

The reference Bitcoin client disables several script commands (the programming within a transaction) due to possible implementation issues in the network. I think it's possible that a forked client ...
8
votes
3answers
993 views

Is there a listing of strange or unusual scripts found in transactions?

I'm studying scripts and am looking for strange or unusual scripts that have appeared in any of the *coin networks..(outside the standard ones listed on this page) Is any one person, or website ...
-3
votes
1answer
332 views

Can a new wallet receive money that was sent to it before the wallet was created? [duplicate]

Possible Duplicate: What would happen if two public keys had the same Base58 hash? A follow up from What happens if I mistype the address when making a payment? Suppose I accidentally (or ...
1
vote
1answer
232 views

In a given contract, should the “LockTime” timestamp include an extra hour for confirmations to prevent a double spend?

Anytime a transaction has a timestamp attached to it, and there are signed but not submitted transactions at play, shouldn't the holder of the non-submitted tx have to take into account the ...
7
votes
3answers
3k views

How can I recover from a corrupted blkindex.dat on Ubuntu 12.10?

I've installed Bitcoin-Qt after a clean WUBI install, and installed Bitcoin-Qt directly. Now it suddenly says "Error loading blkindex.dat". I assume my blkindex.dat file is corrupted, and I tried ...
3
votes
2answers
871 views

Is it possible for a valid block to be added to an invalid one, and have it accepted by another client?

This wiki page says invalid blocks aren't counted towards determining chain length and that make me want understand how invalid blocks are treated. Can an valid block be added to an invalid one.. and ...
3
votes
0answers
112 views

Is there an asset tracking software that supports Bitcoin? (Better than GnuCash) [duplicate]

Possible Duplicate: Any multi-currency accounting ledger that lets me use BTC? I'm looking for a way to manage all of my assets. I have various assets in multiple currencies & investment ...
1
vote
1answer
66 views

What development tests should I do when creating a Base58Checked parser? [closed]

Are there any special tests (test data) I should run against my code if I've written a Base58Checked encoder/decoder?
5
votes
2answers
5k views

Is this the proper way to use Bouncy Castle to generate a Bitcoin compatible key?

I'd like to use Bouncy Castle to generate the keypair for use with all *coin variants. Is this the correct implementation to get the correct ECC curve that the *coin variants use? Org....
31
votes
4answers
54k views

What are orphaned and stale blocks?

If I understand it right, a stale block is a block for which an earlier confirmation has been found and was accepted by majority of people. This block is considered invalid and is later never used. ...
0
votes
1answer
576 views

How can i effectively split large outputs into smaller ones?

I have a wallet that pays lots of small amounts in the range of 0.x to 5 BTC. I filled the wallet with one transaction of 50 BTC, so there is only one large input contained. Now when i transfer 0.5 ...
4
votes
1answer
743 views

ECDSA transaction signing on a smartcard?

I know that the underlying digitial signing method Bitcoin uses for transactions is ECDSA (sep256k1 if memory serves). I've also read a few papers about performing ECDSA signing on certain kinds of ...
4
votes
1answer
514 views

Eloipool only public Server avaiable

Maybe a simple answer From what I can research so far Is Eloipool the only public Server avaiable that is not parked or deprecated and that has support for the ASIC chips using stratum ? Is there ...
6
votes
2answers
2k views

How to deal with the wallets with very small amount of Bitcoins?

The scenario is: You have a wallet with only 0.0001 BTC or less. The amount is less than the transaction fee. You want to transfer the coins to another wallet in order to reduce the wallet size. How ...
9
votes
1answer
818 views

Does the synced blockchain always grow in size?

Every time the Bitcoin-Qt is launched, the blockchain syncs to update to its latest state. Does this mean the data stored locally will always grow continously, eating up all available space eventually?...
9
votes
6answers
10k views

Are there any C# Bitcoin libraries and/or mining pool software packages?

I was keen to write/launch a .Net pooled mining server as an exercise of getting into the Bitcoin universe. Are there any C# ports of the libraries needed to achieve this? If not Are there any ...
4
votes
1answer
3k views

bitcoind getmininginfo says hashespersec is 0

I started mining yesterday on a low-end system, trying to figure out how it works. I used the bincoind build from Debian. When I try bitcoind getmininginfo today, I get the following output. { "...

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