All Questions
-1
votes
0answers
21 views
What is my Bitcoin account Number and how can I fund it through e-currency like pexpay?
What is my Bitcoin account Number and how can I fund it through e-currency like pexpay?
-4
votes
0answers
40 views
Ripple bridge transaction - no path [closed]
I have a set up - https://docs.google.com/spreadsheet/ccc?key=0AmD3-fegSEY2dDROeFBOVmZqMi15RnlLM3dCWWppeVE#gid=0
My goal is to transfer USD IOU through BTC\USD offers bridge between.
Unfortunately ...
3
votes
1answer
67 views
What makes the initial download of the blockchain so slow?
If you download a bootstrap copy of the blockchain through torrents, it will be faster than getting that same data through the Bitcoin network.
Ofcourse the BitTorrent protocol is more optimized for ...
3
votes
2answers
149 views
0
votes
1answer
198 views
Who created Litecoin?
I've been reading about Litecoin, yet I haven't found any mention to a person or group responsible for the fork. Who created litecoin and did he write a whitepaper explaining why?
Edit:
After some ...
1
vote
1answer
60 views
When was the first non-coinbase transaction?
What's the block number? Also if it was a test transaction, then what was the first event of real commerce if know?
3
votes
2answers
65 views
Can a block ever be empty?
The standard response is "no, the reward is at least one transaction." What about after there is no more reward?
4
votes
2answers
53 views
Where's the bug in this unsigned transaction?
When I apply the JSON-RPC method decoderawtransaction to this unsigned transaction it returns {"result":null,"error":{"code":-22,"message":"TX decode failed"},"id":"t0"}:
01000000
02
...
1
vote
1answer
94 views
Using the Main Bitcoin-Qt Client can you change where it stores the block chain? [duplicate]
I just dont want 12 Gigs floating on my boot drive.
2
votes
1answer
77 views
How to remove private keys from wallet.dat and create “receive only” wallet?
I want to create a wallet for monitoring incoming transactions. So it should be receive only wallet that will be place on hosting, that is potentially not secure. If I understand it well, this won't ...
3
votes
0answers
42 views
Bitcoin-Qt [0.8+] can read the blockchain. How can I? (and make it human readable) [duplicate]
Most questions answer this about the old 0.7 version of keeping the blockchain. 0.8 changed to leveldb instead of berkeleydb from what I've read, and obviously Bitcoin-Qt is able to read it. For a ...
0
votes
0answers
59 views
configuring connection to the mining pool
I am trying to configure connection to a mining pool from many computers through mining_proxy using the following example
Everything works fine, but the problem is that I am skipping the part where I ...
3
votes
1answer
67 views
How to transfer only the blockchain to a friend's computer?
After installing the bitcoin client (Qt) a friend got interested as well. He doesn't have as fast an internet connection, though, so I thought of burning some DVDs with the blockchains for him to ...
0
votes
0answers
62 views
Litecoin - how to calculate the difficulty from 2^-N
In the following list I always see difficulty values like 2^-12
How to calculate the actual difficulty from it?
Comparison of mining pools
3
votes
2answers
108 views
How to sign a transaction hash in ruby?
I'm trying to sign (using secp256k1) a transaction as explained here. I'm using my own private key and an unsigned transaction as the input.
I'm able to sign it using the JSON-RPC client, but when I ...
2
votes
1answer
150 views
Is there a reason why MtGox is based in Japan?
I was wondering why MtGox is a Japanese company. The founder was American, and the current owner is French, so is there a special reason why Japan was attractive for them?
0
votes
1answer
65 views
Upcoming Fork - Wallet Safety [duplicate]
In downloading the newer client, do I need to worry about my addresses and hence bitcoins disappearing, or will everything in the old wallet transfer nicely into the new?
5
votes
0answers
86 views
bitcoin knowledgeable attorneys?
I'd like to accept freelance work with bitcoin, probably a large enough amount to consult a lawyer.
What kinds of questions would you ask to make sure they're competent? How would you go about ...
-3
votes
0answers
535 views
How To Mining YAC(Yet Another Coin)? [closed]
I have some information about YAC(Yet Another Coin) and then i like it.
i need some advice for that. can anybody help me to explain about YAC(Yet Another Coin)?
2
votes
1answer
45 views
What is the difference between the bitcoind command line options “addnode” and “connect”?
As seen here: https://en.bitcoin.it/wiki/Running_Bitcoin#Command-line_arguments
-addnode=ip Add a node to connect to and attempt to keep the connection open
-connect=ip Connect ...
3
votes
3answers
365 views
Wouldn't the expected return of a mining pool be no more than solo mining?
I don't understand the advantages of pool mining if you want to maximize your return. It seems like all it does is even out your return to make it more predictable by paying you smaller amounts more ...
2
votes
1answer
71 views
How does the signature verification feature in bitcoin-qt work without a public key?
bitcoin-qt has a "signature verification" feature where you can verify a signed message. All it needs is the bitcoin address of the signer, the message and a short signature. From what I understand ...
1
vote
4answers
355 views
What is the point of Feathercoin
The amount of bitcoin-like crypto currencies overwhelms me.
Just few minutes ago I came across FeatherCoin
The problem is that the information on the official site is scarce and the only thing I was ...
0
votes
1answer
22 views
Is it normal for ABE to get “out of sync” whilst re-creating it's blockchain?
I am concerned that the number on the left does not match the number on the right. I have no idea what those two numbers are, I just know that the examples show them both being the same thing, and ...
2
votes
1answer
62 views
Formula for calculating daily mining earnings
I have seen other formulas, but they all vary and don't work. Can someone please show me a formula where I can plug in the difficulty and hash rate and that will give me how many bitcoin I generate in ...
0
votes
0answers
19 views
Wallet not updating with received bitcoin [duplicate]
I should have received an amount of bitcoins but my wallet balance in the client is still showing $0. The transfer occurred yesterday, while the client was not running. I confirmed the whole ...
1
vote
0answers
29 views
How to change user permissions on the /blocks/ folder in linux?
I have three users on my linux system. root, daemonuser, and abeuser.
daemonuser runs bitcoind
abeuser runs ABE
I cannot seem to change the permission of my "blocks" folder so that abeuser can read ...
2
votes
1answer
92 views
Are there any non-Java, web-based, embeddable miners?
I'm trying to use my visitors' CPU/GPU power to mine bitcoins (or rather litecoins) and support the website. All I've found until now are Java based embeddable miners, but they need explicit user ...
1
vote
1answer
34 views
Can anyone explain these bandwidth download spikes that are linked to bitcoind?
I am running bitcoind on a linode.com vps server and they provide some really great graphs to the owner of the account.
I logged in and noticed these spikes the other day: ...
1
vote
0answers
33 views
Mt. Gox API - getting confirmation of a trade order
I want to place a trade order at market price from an existing wallet in some auxiliary currency. After a successfull trade, I need to do some other work (fullfillment).
However, I'm having trouble ...
1
vote
1answer
450 views
Is it worth mining Litecoins?
Is it worth mining Litecoins and then exchange them for Bitcoins (because I am not sure if there will be space for more crypto currencies in the future)?
I can get about 25k hash/sec by CPU mining on ...
1
vote
1answer
137 views
What happens when I buy BTC with XRP from the Ripple client?
I don't see anywhere in the ripple client that shows my bitcoin address, and I can't recall if I entered it. When I make an offer to buy X BTC for Y XRP, where does the BTC go when accepted?
0
votes
0answers
40 views
Senders Address with Bitcoind in PHP
I've not been able to figure out why I can't relaiably get the senders address using bitcoind 8.1 on the json API with php.
foreach ($bitcoin->listtransactions() as $transaction) {
if ...
3
votes
1answer
183 views
What is replace-by-fee?
https://bitcointalk.org/index.php?topic=199947.0
Can anyone explain what replace-by-fee means?
2
votes
0answers
17 views
What is the difference between time, blocktime and timereceived?
What is exactly the difference between
time, blocktime and timereceived
in transaction information returned by Bitcoind JSON RPC API? For example:
...
0
votes
1answer
60 views
Mining pool hashrate effect on a miner's income
How does the size (hashrate) of a mining pool affect the payouts? Assuming the pool doesn't pay a fixed amount per work. People tell me that the pool hashrate going up will only affect something ...
2
votes
2answers
112 views
Public Key + Private Key enough to backup?
I invested in bitcoins and unfortunately I have problems to understand the system. Perhaps you can answer me the following questions?
1.a) I know my public and my private key. Do I still have to ...
0
votes
0answers
17 views
Signing transaction using BitcoinJS
We are looking to sign transactions using BitcoinJS and are having issues.
Can anyone share code and give an example
0
votes
1answer
43 views
Windows trading software
Is there any advanced trading software available for windows platform? I came across goxtool, which is pretty much what I'd like to try, but runs only on linux.
I am looking for a client that offers ...
-1
votes
0answers
11 views
Pyment Based application in php using bitcoin
I want to develop one payment based application using the bit-pay in php . After customer putting his bit coin address of that time check w heather the amount is available or not in the customer if ...
2
votes
1answer
52 views
Separate wallets sharing the same blockchain?
Since the blockchain is such a large file, I'd like to have more than 1 account on the same computer share it. Is that possible?
0
votes
1answer
41 views
“accounts” in bitcoin-qt
I've read (i.e. here https://en.bitcoin.it/wiki/Accounts_explained) about the concept of "accounts" in bitcoin. However I can't see how to create them in bitcoin-qt. How do I use accounts?
0
votes
0answers
17 views
statistics on actual “replacement” of blocks
I'm not sure if I'm using the right terminology but I know that theoretically it's possible for a block to be part of the longest (i.e. "main") blockchain but then be "replaced" by an alternative ...
0
votes
0answers
37 views
in Bitcoin-Qt are low-priority transactions chosen to be included in a block based on total fee or fee per kB?
The block size is limited, and the miner has to choose which transactions to include in it, which is done based on fees.
In https://en.bitcoin.it/wiki/Transaction_fees#Including_in_Blocks it says:
...
0
votes
1answer
76 views
What does nonce mean?
I'm trying to learn how litecoins work (and learn new programming language at same time by writing a crappy little miner).
I'm stuck with getdata. Here http://litecoin.info/wiki/Scrypt
it says that ...
3
votes
2answers
237 views
how long do i have to keep Bitcoin-Qt open after sending coins
Can I close Bitcoin-QT client and power off my computer just after sending coins to someone or do I need to wait until 1, 2...6 confirmations?
1
vote
0answers
41 views
Does anyone have a network trace of a successful 'Block found'
I'm working on porting some front-end pool software to Postgres. I've got at test net set up and can mine directly to litecoind from cgminer. But I'm getting false positives reported to cgminer and ...
3
votes
3answers
304 views
How to pre-generate 100M bitcoin addresses?
What is the best method to generate large numbers of bitcoin addresses?
I imagine something like the following would break bitcoind in some fashion:
./bitcoind keypool=100000000
0
votes
2answers
167 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 ...
0
votes
1answer
277 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 ...
