0
votes
0answers
10 views

Is there a NXT api library where i can query addresses and make transactions to/from?

Is there an external library/site where I can make NXT api calls to retrieve balances and other data? Main reason im asking is because i dont want to install the NXT application on my server just to ...
0
votes
1answer
24 views

Can you assume that all inputs to a Bitcoin transaction are controlled by the same person?

When you are looking at a Bicoin transaction in the block chain and it has inputs from multiple addresses is it safe to assume that those addresses are all controlled by the same ...
0
votes
0answers
7 views

Question about keypool size on the minig pool wallet

I have a lot of 2014-07-11 10:47:37 keypool reserve 4 2014-07-11 10:47:37 keypool return 4 2014-07-11 10:47:42 keypool reserve 4 2014-07-11 10:47:42 keypool return 4 2014-07-11 10:47:47 keypool ...
0
votes
0answers
10 views

Autopayout Setup on a wallet

I am creating an application which will be paying out some amount of BTC every hour to few addresses. Is there a service that allows me to program the transactions or a wallet, which offers a feature ...
0
votes
0answers
25 views

Signatures in Scripts

Most of the standard transaction scripts are using in ScriptSig a signature that prove that the references transaction outputs belong to the claimant. I have read the bitcoin wiki page ...
0
votes
0answers
11 views

Why does vanitygen warns me to update an up-to-date OpenSSL?

I tried to generate an address with vanitygen. Because I'm on a MBP 2010 it took a while onthe CPU (not finished yet, two times up to 20%) and now I am trying to get it working with my GPU (NVidea ...
1
vote
1answer
38 views

How do pool server's handle multiple workers sharing one connection with Stratum protocol

The stratum protocol supports authorizing multiple workers in a single connection. Unfortunately, I didn't find any documentation about how this should be handled by pool server software. If multiple ...
0
votes
0answers
12 views

Cryptsy, reuse of market ID

Cryptsy have a lot of markets. Each market has its own ID. Now markets have ID in the range 1..220 Sometimes old markets deleted. ID of that markets reused or not? Same question for Bittrex, ...
0
votes
1answer
13 views

How to auto deposit bitcoins on btc-e?

BTC-e gives a new address to send to for every time a deposit is to be made. These addressees can be accesses through this url: Bitcoin deposit authentication required I am currently using python to ...
0
votes
0answers
22 views

Вопрос об оплате с биктоин-счёта на сайт bongocams.com [on hold]

Здравствуйте. Скажите, пожалуйста, я пользуюсь сайтом bongocams.com и там присутствует оплата жетонов за биткоины. Но кода я нажимаю там на кнопку- Оплатить через биткоин - открывается вот это окно - ...
1
vote
1answer
22 views

Multibit application won't open

The app itself won't open. I recently did a system restore to a previous point in time but I'm pretty sure it was not before the point that I installed the multibit application. All the installation ...
2
votes
2answers
30 views

Are there examples of scripthash transactions in the blockchain that do not use MultiSig destinations?

BIP 16 uses an example of a one signature required transaction as a scripthash example: scriptSig: [signature] {[pubkey] OP_CHECKSIG} scriptPubKey: OP_HASH160 [20-byte-hash of {[pubkey] OP_CHECKSIG} ...
2
votes
1answer
53 views

What percentage of Bitcoins stored in a multi sign address?

I am looking for a statistic of the usage of multi-sig addresses over time.
0
votes
1answer
11 views

Why I obtain this error trying to compile this wallet?

I am not yet a Linux guy and I am going crazy trying to install the MJ Coin wallet compiling it on Ubuntu 14.04. This are the only provided instruction to install it: Debian First, make sure ...
0
votes
0answers
16 views

How can I get the uncompressed public key from the compressed public key in openssl?

Given a private key, I can get the uncompressed or compressed version of the public key like so. EC_KEY* pKey = EC_KEY_new_by_curve_name(NID_secp256k1); std::vector<unsigned char> ...
1
vote
1answer
16 views

Restarting Vanitygen

I want to create a bitcoin address which starts with a certain passphrase (1mathias, case insensitive). That idea came from this question, and I quite liked it. After some trouble making the file on ...
2
votes
0answers
28 views

GPU mining strategies (algorithm)

I am currently in the process of creating a fairly simple bitcoin miner for CPU and GPU (for demonstration purposes not for money earning). However I am having a little troubling understanding how ...
1
vote
1answer
33 views

bitcoind synced more blocks than in the blockchain?

I just installed bitcoind on a fresh Ubuntu server and synced. However, it seemingly have synced more blocks than there are in the blockchain! $ bitcoind getblockcount 309905 $ curl ...
0
votes
0answers
4 views

P2pool Crashing after a few minutes

This start today I have reboot the server etc. but doesn't seem to have helped. Basically it will work for a while then I get a long list of request parent share items. then the process crashes ...
-1
votes
1answer
23 views

Open source bitcoin wallet

Can anyone recommend any open source code for bitcoin wallet or any bitcoin applications or clients? please posts links or samples of it. thank you
0
votes
0answers
30 views

I want to start coding a bitcoin software [on hold]

Where should I start and how should i learn to code Bitcoin wallets or exchanges? I really need help. I'm an intermediate coder but i have no clue how to start to code Bitcoin clients and softares ...
0
votes
0answers
5 views

I want to generate a BIP32 version number for Namecoin and other altcoins

I want to make a BIP32 wallet for Namecoin and other alt coins. I just need to figure out how to generate a a public and private version number so that the BIP32 extended key prefix is something that ...
0
votes
2answers
22 views

Escrow outputs show incorrect destination addresses in Blockchain.info

I'm interested in the following multisig transaction 3a0c283c8574205c2cc95cea0e603bfff9087af2ab0360ebd2e98740a3193a18 If I query bitcoind for information about it using the following command ...
0
votes
1answer
15 views

Where can i find instructions on how to install a NXT wallet app on my Ubuntu server so I can access it via the web?

I want to install a NXT wallet client/server on my ubuntu server so i can access it from my website. Where can i find instructions for this? And is there a way to change the port # for nxt? currently ...
0
votes
1answer
20 views

Which is the official site to download the NXT (nxtcoin) wallet app?

Where is the official site to download the NXT wallet app?
0
votes
0answers
9 views

Bitcoin Value in Relation to US dollars and other Currencies [duplicate]

What affects the value of bitcoins in relation to the US dollar and other currencies?
0
votes
0answers
8 views

How would the OpenBazaar or NXT Decentralized Marketplace / eBay / Craigslist work?

Since NXT & openbazaar is building a decentralized marketplace. How would this work since there is no middle party to mediate if an issue arises? What are some proposed solutions to a ...
0
votes
0answers
11 views

How to do p2pool math

currency users! I running p2pool with multiple currencies and I would like to know how to calculate minimum hash rate needed per worker to solve share. Cause some miners not gathering predicted ...
1
vote
1answer
28 views

What are the biggest motivations for common people to adopt crypto currencies?

So far I've seen only two sets of people using crypto currencies: 1. Who does illegal things (like black money/drug trading etc) 2. Who sees them as shortcut to become rich But what are the other ...
1
vote
1answer
41 views

What are some counter arguments for NXT (nxtcoin) “premine” or initial distribution setup?

Whenever someone brings up NXT (nxtcoin) as a topic, many people's first reaction is the initial distribution of how nxt was setup. Many consider this a "premine" event and see it as a potential ...
0
votes
1answer
20 views

How can my NXT client/server send to multiple addresses paying one 1 transaction fee?

I know bitcoind lets you have multiple outputs (sending to multiple address) via the command line. Does NXT support this feature? I want to create a faucet application where I can send to multiple ...
0
votes
1answer
34 views

How can I find out which wallet belongs to which cryptocoin? [duplicate]

I have multiple decrypted wallets in the same folder. How can I find out which wallet belongs to which cryptocoin? All wallets are named wallet_x.dat, so the name gives no hint. UPDATE: I have no ...
0
votes
0answers
22 views

How long should I expect to wait for payout on p2pool

Basically, I have 20 GH/s running on p2pool I've had no pay out for about 4 days which seems a long time. The time to share is also 110 hours and stays at 110 hours. It never drops and so am getting ...
-1
votes
0answers
19 views

Converting bitcoin back to fiat currency [on hold]

I want to use bitcoin to sent some money internationally. However I want then to convert it back to my currency as fast as possible. How do I go about this? Am i likely to lose money in the ...
0
votes
0answers
10 views

What is current size of various databases in Bitcoin Core as of July 2014?

This question is related to question: What is the database for? What is size in MB of: - blockchain itsef - blocks/blk*.dat - blocks/index/* - chainstate/* - blocks/rev*.dat Is the size of ...
1
vote
2answers
38 views

NXT uses transparent forging to detect who will solve the blocks. How can DDOS be prevented?

Since NXT does transparent forging and it select a node to be the main one to solve blocks. How does it prevent a DDOS attack? And if a ddos was sucessful on the node during forging, what happens ...
1
vote
1answer
29 views

What is the block / confirmation time for NXT coin?

what is the block time to get my transaction confirmation? Do i still have to wait 10+ minutes to make sure a double spend didnt happen?
1
vote
1answer
67 views

How will bitcoin stay decentralized when mining becomes extremely expensive?

My understanding of bitcoin is that the miners are the ones keeping bitcoin decentralized. What happens when only the richest of people can afford mining?
-1
votes
0answers
11 views

Questions About a Bitcoin Service

I have been considering shipping off my machines to one of those full-service Bitcoin hosting facilities. Basically, they charge a rate per kW of power and run your machines in their facilities. The ...
0
votes
0answers
27 views

How can I fix a low miner fee due to errors?

I made a transaction a while back not thinking at the time give a very low miners fee (1 satoshi) and it's been a while since I sent it and it's still not confirmed and I started looking around. I ...
0
votes
0answers
10 views

enable bitcoin SSL error

I want to enable SSL on windows.So I download a shining light openssl binary,and then I create server.pem and server.cert using the following commands: openssl genrsa -out server.pem 2048 openssl ...
0
votes
1answer
15 views

Where does the litecoin wallet store coins?

I recently installed the official LiteCoin wallet on Ubuntu. I accidentally deleted it about 80% of the way through the synch, and reinstalled it, expecting it to resynch. It resumed. My address ...
0
votes
2answers
36 views

What does it mean to have -1 confirmations?

I have -1 confirmations for an inbound transaction on my Electrum wallet. What does is it mean to have -1 confirmations?
0
votes
1answer
8 views

Can a Ripple Transaction Sequence have gaps?

I am wondering whether a Ripple Transaction with a Sequence number that ships over a few numbers from the previous Sequence number be accepted as a valid transaction in the Ripple Network? For ...
-2
votes
0answers
13 views

10 weeks behind on bitcoin-qt and it just stopped working, keeps going back to saying “synchronizing with network”

I left bitcoin-qt running all night. When I woke up this morning, I was 10 weeks behind, but it went back to saying "synchronizing with network". I tried restarting bitcoin-qt and it said "importing ...
0
votes
1answer
26 views

Cryptsy, Mintpal, Bittrex API - how many requests can I do?

Cryptsy, Mintpal and Bittrex have public APIs How many requests per second/per minute can I do to these APIs?
0
votes
1answer
29 views

Coinbase Security

Does anybody know how cold is the Coinbase cold storage? I'm not really into Coinbase but when I read about their cold storage I become a little bit skeptical: for example, how do they process ...
0
votes
1answer
14 views

Stratum and Load Balancer

Does the Stratum protocol works well with the stratum servers behind a load balancer? My impression is that each request from the client may hit a different stratum server and eventaully ends up ...
3
votes
1answer
233 views

How do wallet-sites generate large numbers of Bitcoin addresses?

How do online Bitcoin wallet sites work? How can they have thousands of addresses laying around, or do they create them on the fly? What sort of software is used to create all those Bitcoin ...
0
votes
0answers
16 views

What is an account label, and how do I use getaccountaddress?

I'm having a hard time finding documentation on how getaccountaddress works. Am I supposed to pass it a bitcoin address, or a text label? If a label, where is this label stored? If someone could give ...

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