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3 votes
2 answers
871 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?...
eu tot eu's user avatar
7 votes
2 answers
4k 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? ...
vi.su.'s user avatar
  • 1,852
6 votes
1 answer
309 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 ...
miracle2k's user avatar
  • 181
0 votes
1 answer
632 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 ...
Peter Bushnell's user avatar
3 votes
2 answers
652 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 ...
Eric Conner's user avatar
3 votes
4 answers
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 ...
Andrew Font's user avatar
10 votes
1 answer
3k 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, ...
halftimepad's user avatar
  • 1,408
-2 votes
1 answer
773 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
Meriç Çelik's user avatar
5 votes
1 answer
459 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 ...
makerofthings7's user avatar
5 votes
2 answers
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 ...
makerofthings7's user avatar
6 votes
1 answer
787 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 ...
makerofthings7's user avatar
8 votes
3 answers
32k 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.
AlexDan's user avatar
  • 181
2 votes
1 answer
207 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 (;;) { ...
makerofthings7's user avatar
0 votes
0 answers
51 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 ...
BitCoin New Guy's user avatar
15 votes
5 answers
70k 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?
Vasuki's user avatar
  • 151
2 votes
1 answer
5k 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 ...
BitCoin New Guy's user avatar
8 votes
1 answer
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? ...
makerofthings7's user avatar
4 votes
1 answer
308 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 ...
makerofthings7's user avatar
9 votes
4 answers
1k 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 ...
makerofthings7's user avatar
-3 votes
1 answer
358 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 ...
SparrowG's user avatar
1 vote
1 answer
277 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 ...
makerofthings7's user avatar
7 votes
3 answers
4k 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 ...
Hyperfocus's user avatar
3 votes
2 answers
1k 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 ...
makerofthings7's user avatar
3 votes
0 answers
115 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 ...
ripper234's user avatar
  • 26.6k
1 vote
1 answer
80 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?
makerofthings7's user avatar
5 votes
2 answers
6k 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....
makerofthings7's user avatar
40 votes
4 answers
61k 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. ...
Salvador Dali's user avatar
0 votes
1 answer
651 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 ...
TripleSpeeder's user avatar
4 votes
1 answer
812 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 ...
David Perry's user avatar
  • 14.4k
4 votes
1 answer
527 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 ...
BitCoin New Guy's user avatar
7 votes
2 answers
6k 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 ...
Ning's user avatar
  • 2,791
9 votes
1 answer
851 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?...
Deniz's user avatar
  • 93
9 votes
6 answers
14k 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 ...
BitCoin New Guy's user avatar
4 votes
1 answer
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. { "...
SparrowG's user avatar
79 votes
3 answers
46k views

How is difficulty calculated?

Can anyone explain me in the plain English how difficulty is calculated. I have a very approximate understanding that it is calculated based on the amount of hash power in all the bitcoin community ...
Salvador Dali's user avatar
4 votes
2 answers
458 views

Is the Testnet stable?

I have been recently playing with the testnet (using bitcoin-qt -testnet). I have been able to mine a few coins and do some test transfers, but I have found some problems: The coins appear sent, but ...
halftimepad's user avatar
  • 1,408
2 votes
1 answer
11k views

Unlocking wallet, recovering password

I want to send bitcoins, but cannot unlock my wallet. The rpc password located in \AppData\Roaming does not work. How can I unlock my wallet? Deleting the wallet.dat erases all my bitcoins, which I ...
Ray's user avatar
  • 21
3 votes
1 answer
6k views

How do I Base58 Checked encode / decode an address in C#? What does "normalize leading zeros" mean?

I am trying to encode and decode a Base58 address in C#. The following function is a start, but it has a few issues: This code does not normalize leading zeros (what does that look like?) If this ...
makerofthings7's user avatar
6 votes
3 answers
4k views

Paying for testnet coins?

If testnet coins are this difficult to get, what's the chance people start throwing in some real money to speed along the process? If only to just have to not wait to test, say if you have an ...
Kinnard Hockenhull's user avatar
4 votes
1 answer
156 views

I'm developing on the Test network. Are there any "rules" or communication methods I should adopt?

I'm testing a C# port of the client on the Test network and need to test for a variety of conditions. Should I communicate to others regarding my actions on the network? If so, what method of ...
makerofthings7's user avatar
2 votes
1 answer
3k views

Bitcoin QT wallet doesn't sync [duplicate]

Possible Duplicate: Bitcoin client won’t connect to the network I'm using an iMac with OSX 10.8. Bitcoin-Qt which never seems to sync. I have withdrawn coins from Mt.Gox to an address generated ...
Jonbg's user avatar
  • 21
1 vote
0 answers
681 views

Stuck in "verifying database integrity" [closed]

I restarted my computer and now bitcoin doesnt go further than "verifying database integrity" and staying in until now (about an hour now) also windows tells me that the program isnt responding. ...
Acaloth's user avatar
  • 19
5 votes
3 answers
460 views

How does ImportPrivateKey get the Address if I don't explicitly send it?

Suppose I just used vanitygen to create this key: Pattern: 1a Address: e1aMGYXuGpUwDGH9gz3ZBs8UH746nRdEk6 Privkey: 5KhCszBi22hEZZixPEQkLAMtUVkxbGaxBFsH7a9iefqrxHmSXgH All I had to do to import this ...
makerofthings7's user avatar
2 votes
0 answers
142 views

What are the preferred UI images for Bitcoin Address & private key and multi-signature key?

How should I visually distinguish between the different types of keys available for the end user? So far the common keys I've come across are Private key (not to be shared) Bitcoin address (to be ...
makerofthings7's user avatar
0 votes
1 answer
240 views

How do we prevent the Test network from being misrepresented as production?

I'm concerned that people new to Bitcoin may not be aware that the test network exists, and the new users will end up "paying" for Bitcoins that are essentially worthless. What protections are in ...
makerofthings7's user avatar
5 votes
2 answers
19k views

How do I call JSON RPC API using C#?

How do I access the JSON RPC API in C# in such a way that I can also read the errors that the interface provides?
makerofthings7's user avatar
3 votes
1 answer
184 views

What happens if you create and lose an Mt. Gox redeemable code?

When you create an Mt. Gox code, you are shown a long textual code, and the amount is immediately deducted from your account. What happens if you lose the code (e.g. your computer accidentally shuts ...
ripper234's user avatar
  • 26.6k
4 votes
2 answers
723 views

Is there a place or tool to monitor all addresses for unmoved coins?

I've been looking for a way to easily monitor all address with a balance, that the balance has not moved/changed for a period of time (based on a criteria such as 1 year). Is there a site/tool already ...
KoKo's user avatar
  • 509
1 vote
1 answer
237 views

ListAccounts JSON array data isn't consistently formatted (compared to ListReceivedByAccount)

When I perform a ListAccounts query I get this: { "result": { "": 0.0, "account": 0.0, "account3": 0.0, "account7": 0.0 }, "error": null, "id": "1" } However ...
makerofthings7's user avatar
3 votes
2 answers
1k views

How does an encrypted wallet persist used keys from "getnewaddress" and the keypool after a restart?

I'm reading this wiki on wallet encryption and am confused on how I can call getnewaddress as described here and where that is being tracked after a restart of bitcoind. When a wallet is encrypted,...
makerofthings7's user avatar

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