1
vote
1answer
31 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
35 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} ...
4
votes
1answer
74 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. More concrete: what is the percentage of Bitcoins stored in a multi-sig address over time.
0
votes
1answer
29 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
21 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
21 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
40 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
36 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 ...
-1
votes
1answer
11 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 ...
-2
votes
2answers
40 views

Open source bitcoin wallet [on hold]

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
6 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
30 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
19 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
22 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
10 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
14 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
12 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
29 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 ...
2
votes
1answer
54 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
22 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
40 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
1answer
34 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 ...
0
votes
1answer
35 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 chainstate and ...
1
vote
2answers
45 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
42 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
81 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 [on hold]

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
33 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
2answers
23 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
19 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
43 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
12 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
17 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 ...
1
vote
1answer
57 views

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

Cryptsy, Mintpal and Bittrex have public APIs. How many requests per second or minute can I do to these APIs?
0
votes
1answer
40 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
18 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
235 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
20 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 ...
1
vote
0answers
14 views

Is there someway to determine the current network fee from the bitcoin network/daemon?

Is there some way to programmatically extract the current consensus of the transaction fee from the bitcoin network, either by using the daemon or through some other means?
0
votes
1answer
27 views

Mining calculators and blocks found

Whenever we use an online mining calculator, do these calculator estimate a 100% blocks finding? Shouldn't they be subject to the pool efficiency and how many blocks are found? I mean, if my pool only ...
0
votes
1answer
30 views

How to tax trading in colored coins representing fiat?

Say Kraken and Bitstamp both issue colored coins for USD, called KrakenDollars and BitStampDollars. Then I find an colored coins exchange where I can trade between the two, and deposit some ...
0
votes
1answer
49 views

How best can I use Raspberry pi and ASIC? [duplicate]

I had an old Raspberry pi with a Bitmain Antminer 2GH USB plugged into it. I have joined the bitminter pool and so far have 0.00000094 bitcoins. In other words, I don't expect to get rich. ...
0
votes
0answers
25 views

Calculate X11 algorithm aproximate hash rate from submitted shares

I'm trying to find out the correct way to calculate the approximate hash rate from submitted shares for the X11 hashing algorithm. The only reference I was able to find was X11 | multiplier & ...
1
vote
0answers
86 views

Building Win7 Moneychanger: Where to put OT DLL's, How to fix “&& was unexpected” in jsoncpp?

I want to use Open Transactions libraries in my Windows build of my Qt Widgets application. Moneychanger is a test interface for OT built in Qt. As a step to understanding how the Qt code of ...
0
votes
1answer
24 views

Do NXT aliases expire? And when?

Since NXT aliases are like domain names. Do they expire? Currently alot of people are squatting aliases and was wondering how the NXT community plan on fighting that?
1
vote
1answer
18 views

In the NXT register alias dialog pop up, what is the DEADLINE text field for?

what is the deadline text field for in NXT register alias?
1
vote
1answer
28 views

Error pushing hex of tx, generated with bitcoinjs 1.0, on testnet

I'm new to bitcoin programming and decided to give it a try with the release of bitcoinjs-lib 1.0. Here is how I generate the hex for the transaction var bitcoin = require('bitcoinjs-lib'); var key ...
1
vote
1answer
22 views

Compressed keys default for brainwallet?

I'm somewhat confused re compressed addresses... Assuming I were to make a brainwallet using "correct horse battery staple" as my passphrase gives 1JwSSubhmg6iPtRjtyqhUYYH7bZg3Lfy1T (uncompressed ...
3
votes
2answers
22 views

Is it possible to calculate the difficulty purely by the number of blocks generated in e.g. 3 month and the staring difficulty?

The background of this question is wether the distribution of the block generation does matter? Lets say we have a period of 12 weeks. If the number of blocks created in this time is 6*2016 then the ...
2
votes
1answer
46 views

Are there any tools to visualize where the transactions are coming from and going to?

We spent some time doing the visualization of the transaction flow between bitcoin wallets https://bitviz.visalyze.com and wanted to know if there are any tools that can not only track, but also ...

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