All Questions
31,063
questions
2
votes
1
answer
14k
views
How do I get my funds from bitstamp into my wallet?
Hi I am using multibit as my bitcoin wallet. I will be using money gram to put money into my account. I dont know how to buy bitcoins for myself.
On multibit it says you can send coins to someone ...
- 31
-1
votes
1
answer
2k
views
How is Bitcoin / Litecoin mining prize awarded when solo mining?
When solo mining and connecting to either the Bitcoin-QT server or Litecoin-QT server. If I actually do find a solution to the block, how is that prize awarded? I have not shared my public key via ...
- 247
2
votes
1
answer
2k
views
I've sent a small low priority transaction with insufficient fee with blockchain.info wallet, what will happen next?
I've sent a transaction which has a <0.01 BTC output, with zero fee using blockchain.info Android client. It is not being relayed (violating memory pool rules of bitcoind). What can I do to recover ...
- 702
5
votes
1
answer
504
views
Law / country specifics to start Ripple Gateway
There is requirement in https://ripple.com/wiki/Gateway_Integration_Manual
Gateways should comply with the BSA, have AML policies and require KYC information.
As i understand this requirements can be ...
- 101
25
votes
3
answers
7k
views
What is the benefit of using a Merkle Root rather than simply hashing all of the transactions in the block?
I understand what the merkle root is and how it is calculated, but I have not been able to figure out what is the actual purpose behind using this kind of hashing solution?
I mean, I know that the ...
- 646
47
votes
2
answers
14k
views
What prevents a pool miner from stealing an entire block?
As I understand it,when mining BTC, and calculating a block, the goal is to find a SHA-256 hash below a certain value (with the previous block, a nonce, and other things as the input). Are pool ...
6
votes
2
answers
551
views
What are the risks of running an online store via a bitcoind connection using less than the minimum of 8 connections?
I have 1GB of memory to work with on my VPS.
I want to run bitcoind as well as a few other crypto currency daemons.
As it stands, number of connections seem to be the only value I can change that ...
- 877
1
vote
2
answers
627
views
What does the is_your_order field mean in a btc-e response?
Their amazing API documentation (https://btc-e.com/api/documentation) shows a field called is_your_order. Not sure what it means and they certainly don't explain it.
Does anyone know?
- 2,849
0
votes
1
answer
971
views
Bitcoin RawTransaction Json - what do all the variables mean
The below is the response we get. could someone please explain what each element is.
type RawTransaction struct { Blockhash string BlockTS uint32 json:"blocktime" Confirmations int ...
- 167
6
votes
3
answers
11k
views
ATI OpenCL V.S. NVidia Cuda Cores
First of all, i would like to say, i really don't want this thread to be some debate about your favorite video card manufacturer. So please just take that elsewhere.
I have heard from a lot of people ...
- 247
1
vote
0
answers
120
views
Placing price bounds on MtGox market depth api request
I'm making an order book for MtGox, but the market depth file is huge and I'm really only interested in values near the inside prices.
Is it possible to place price bounds on the mtgox market depth ...
- 3,050
10
votes
4
answers
2k
views
Do any of the Android-based wallets support cold storage?
Specifically I'm looking for Armory-like functionality where the transaction can be generated on an online system, transported to an offline android tablet or netbook via USB or QR code where it can ...
- 14.4k
5
votes
2
answers
1k
views
What happens when a Trezor is lost?
Trezor is one of the leading implementation of a hardware wallet. Its first generation won't support multisig ... because the Bitcoin network itself doesn't have strong multisig support.
What happens ...
- 26.6k
0
votes
1
answer
396
views
How is the real world value of bitcoins generated? [duplicate]
I do not understand where the value of the bitcoin comes from.
In old times people were trading in gold or silver. They began to deposit the gold coins in banks and started to trade with these ...
- 103
2
votes
1
answer
10k
views
Bitcoin sent to a defunct address - what happens to it?
I got the address for my account on a site and wrote it down. As I had had a huge hassle buying my bitcoin that morning due to problems with the vendor's site (and which they denied was at their end ...
- 21
1
vote
1
answer
311
views
Programming a solution to know when a Bitcoin Address has stored a target amount [duplicate]
Sorry, I'm probably not going to use the correct terms here.
Does anyone know of, or how to use bitcoind (or of an external library) that can look at or even provide event driven mechanisms to ...
- 181
1
vote
0
answers
343
views
Switching from pushpool? [closed]
I have a question.
Right no I'm running litecoind + pushpoold + mmcFE (as the front-end), it's a smal sized pool with peaks at around 3000kh/s so far, but we're growing rapidly.
However, some users ...
- 271
2
votes
1
answer
6k
views
How do I import to MultiBit from Blockchain.info?
I have a single password and a yubikey on my account at blockchain.info.
When I try to import the wallet.aes.json file nothing happens.
When I select the import file, MultiBit never displays the '...
- 121
3
votes
1
answer
435
views
added security/safety to multiple blockchain.info wallets
If I want to store a substantial number of Bitcoins, would there be any add security or safety to doing this in multiple blockchain.info hybrid ewallets, in stead of all in one?
- 371
-1
votes
1
answer
693
views
Does it make sense to hoard on ripples like bitcoins? [closed]
Total number of bitcoins that will ever exist are 21 million and are deflated.
Ripples are pre-mined 100 billion. Would hoarding 30000 XRP now will get me a profit in the future from a speculation ...
- 592
4
votes
1
answer
682
views
How does BTC, LTC, TRC ,etc Wallet implementations differ?
If there are tools such as BitcoinSharp, to allow me to code up functionality such as a bitcoin wallet, how do i do the same for other coins?
As alot of the newer curruencies are based of litecoin, ...
- 149
5
votes
2
answers
5k
views
What is the difference in hashing algorithm between bitcoin and litecoin?
I am having trouble finding litecoin mining specifications. I would first of all require something like this:
https://en.bitcoin.it/wiki/Block_hashing_algorithm
Except for litecoins. I need to know ...
2
votes
1
answer
1k
views
How to utilise more cores when I am cpu mining?
This is purely an experiment for fun. This is for litecoins but can bitcoin people help me too :)
I am using litecoinqt to solo cpu mine, on my windows machine. Threads set between 4 and 10, scantime ...
- 113
2
votes
1
answer
302
views
Buying Bitcoins using Guyana Dollars
Does anyone know what is required to establish an exchange that accepts Guyana $ as payment for Bitcoins?
- 21
1
vote
1
answer
73
views
Where is the best information about the contents of bitcoind 0.8.2?
There seem to be a few interesting changes in this version, possibly affecting the protocol itself (de facto).
Where can I find the most relevant, concise yet detailed information about this version?
- 26.6k
3
votes
2
answers
976
views
What's the difference between MtGox streaming API hosts?
I'm trying to find out what the difference is between websocket.mtgox.com and socketio.mtgox.com for the MtGox streaming API. Looking at the Connecting section it looks like there are several ...
- 141
6
votes
1
answer
980
views
Recovering the last few digits of a Litecoin private key
Is it possible to recover the last few lost digits (10) of my Litecoin wallet private key? Are there any recovery tools available? Or will I have to try and roll my own? Crucially, what crypto ...
- 161
3
votes
3
answers
2k
views
Alt currencys blockchain viewer
I know we have blockchain.info for bitcoin
I am trying to track a missing FTC transaction going to btc-e (seems a very common thing money going missing with these jokers)
Are there any similar ...
- 888
2
votes
2
answers
8k
views
Solo mining litecoin on OSX
I would like to do some solo mining of litecoin on OSX. I realize the probability is low that i will hit it. but i like the idea of the lottery. I have a miner setup (cgminer) and i have ...
- 247
0
votes
2
answers
195
views
(Ripple + wire transfer) x Banking (loans) multiplicator = 2x debt crisis?
if Ripple users would use % loans uncontrolled way?
For example:
system (gateway) have 100 bitcoins, the quantity is limited, bitcoin holders have issued 100 loans for 1 bitcoin each with 10% rate (...
- 101
2
votes
1
answer
835
views
block hash and list since block?
I am writing transaction monitoring service but I am having some problems with listing since block hash. I have bitcoind daemon and when I execute listTransactions some transactions have same block ...
- 145
2
votes
0
answers
511
views
attempting to decipher a cgminer share.log
Here is 1 entry from a share processed in a feathercoin mine pool:
1367788723,accept,ffffffffffffffffffffffffffffffffffffffffffffffffffffffffff070000,http://mining-foreman.org:11341,GPU1,1,...
- 121
6
votes
2
answers
5k
views
Ripple XRP in circulation [duplicate]
From the 100 billion of total XRP, 20 billion went to the founders and 30 billion to OpenCoin to fund development. The 50 billion remaining are supposed to be given away to promote Ripple.
Is there ...
- 294
1
vote
1
answer
1k
views
Bitcoin-Qt Command line - adding private key - Mac OSX
I recently created a custom Public key (with vanitygen) and i would like to add the corresponding private key to my bitcoin-Qt wallet client. I have started bitcoin-Qt in server mode using:
$ open ...
- 247
2
votes
1
answer
2k
views
What's wrong with this getrawtransaction JSON-RPC call?
This is a very simple question. I'm trying implement a client for Bitcoind JSON API and I'm stuck on this getrawtransaction call:
{"id":"getrawtransaction",
"param":["...
- 754
3
votes
2
answers
328
views
A Proof of Concept for P2P Bitcoin Exchange?
Has anyone proposed or developed a proof of concept for a P2P bitcoin exchange?
Edit:
Let me add some layers here. How would trust work in a P2P exchange? How would one actually get the money they ...
- 1,104
3
votes
1
answer
124
views
How is the previous transaction found efficiently?
When a new block is being created, all the transactions must be verified. In order to do that, the outputs of the previous transaction must be found in the blockchain.
But the new transaction only ...
- 2,539
2
votes
3
answers
5k
views
Simplest way of obtaining MtGox exchange rate via an API?
I want to do a simple app that refreshes every minute to tell me the current exchange rate by Mtgox but I have a problem interpreting the JSON that some APIs return:
Mtgox's fast ticker returns this ...
- 1,784
4
votes
1
answer
616
views
Do you need XRP reserves to receive trust lines?
As far as I understand, you need to keep some XRP in reserve for each trust line and for each open offer.
Does that apply only for outgoing trust, or for incoming trust too?
In the latter case, what ...
- 5,240
1
vote
0
answers
115
views
How do I use multisig transactions? [duplicate]
I want to create an joint "address", made of 3 individual ordinary addresses, such that any combination of 2 addresses can move the bitcoins stored at the joint address.
What is the way to do this ...
- 26.6k
3
votes
2
answers
504
views
How does blockchain.info access my wallet in MyWallet
I made a wallet at blockchain.info and enabled two-step authentication using Google Authenticator.
As I understand it, the operator of blockchain.info cannot access your wallet (unlike e.g. MtGox). ...
- 371
-9
votes
2
answers
3k
views
It is possible to buy litecoins without paying commission?
I can see that I can buy litecoins from btc-e, but they charge a fee. My question is, how are they buying litecoins, i.e. I am assuming they are buying litecoins without paying a fee, and would like ...
- 185
1
vote
1
answer
2k
views
Can I change the bitcoin block-data directory from /home/user/.bitcoin/blocks to something else? [duplicate]
I have two users on my Linux system, daemonuser, which runs bitcoind and abeuser, which runs Abe.
Whenever I start Abe, I am told:
Skipping datadir /home/daemonuser/.bitcoin/blocks: [Errno 13]
...
- 877
5
votes
3
answers
6k
views
Which mining pools do not require account creation?
I know Eligius doesn't have a lengthly setup process, you just use your payout address as the username.
Which other pools are this easy to start with?
-1
votes
1
answer
65
views
problem with bitcoin software [duplicate]
My following bitcoin comes up with errors which are saying "Wallet (out of sync) and also Recent Transactions (out of sync)"
Is this consistent throughout and will go away or is there a problem?
The ...
- 1
1
vote
0
answers
96
views
Are we anonymous against governments? [duplicate]
If all transactions are public knowledge and coins are identifiable and thus traceable. With the power of subpoena can't a government uncover who bought the coin(s) from an exchange. It might be ...
- 309
2
votes
1
answer
388
views
Blockchain receive payments API Network propagation
I'm using the Blockchain API to generate an address to receive payments. I received a payment to a generated address, then Blockchain sends the received amount to the address I defined but that ...
- 121
3
votes
1
answer
125
views
What actions trigger the need to obtain a new backup with Blockchain.info/wallet?
Other clients, including Bitcoin-Qt, use a key pool so that a backup is still valid for a while.
Blockchain.info/wallet doesn't use a key pool.
After a backup of the wallet is obtained and archived, ...
- 27k
3
votes
1
answer
4k
views
How do I move money from one address to another on the same wallet? [duplicate]
My wallet have 3 addresses. I want to consolidate payment into one.
What should I do in bitcoin-qt.
Notice on the SAME wallet. I know how to do this if the addresses are on different wallet.
I just ...
- 1,188
3
votes
1
answer
218
views
Using Ripple for assets accounting, loans, deposits, stock exchange, etc
If Ripple can handle money as exchanger, is it possible to use it for other financial operations like assets accounting, loans, deposits, stock exchange etc.?
- 101