0
votes
0answers
6 views

Peercoin proof-of-stake: When a person with large computing power and a person with a large stake both compete to generate a new block who wins?

Will there be a fork in the blockchain in this scenario? If yes, then how does the network decide which chain to accept? I have a fairly good understanding of proof-of-work, and wish to understand ...
0
votes
1answer
12 views

Is it possible to make transaction with 2txin and 2txout?

Question as in the header. If it is possible, then how to sign this transaction? Or do I have to create two separate transactions? 1txin 1txout and 1txin 2txout?
0
votes
1answer
12 views

Multibit is not accepting the correct password any idea or possible bugs that i could fix

just what i said. Multibit simply isn't accepting the password i used this morning to unlock it. i have tried retyping it about a million times in a million different way. does any one have any ...
0
votes
1answer
17 views

List of all currencies which can be mined by Antminer U2

Lot of information over this scattered over the internet, but can someone list complete list of currencies that can be mined by AntMiner U2 apart from bitcoin? especially if it is verified and tried ...
0
votes
1answer
11 views

In P2PKH Multisig Transactions, what is the address?

In P2SH transactions, the address is the hash of the redeemScript. What is it for P2PKH transactions?
0
votes
0answers
23 views

Building an altcoin with gitian

I'm attempting to add Gitian into an altcoin (PiggyCoin, http://www.piggy-coin.com/). Currently, I'm able to get through all of the dependency building, but once I start actually building the ...
0
votes
0answers
8 views

does hardware specialization provide security against 51% attack via on-demand computing?

I've heard it argued that when a mining algorithm is prone to hardware specialization, the centralization that introduces (e.g. one factory producing 25% of all ASICs) is a security risk. I'm ...
0
votes
1answer
13 views

Coin-agnostic API?

Are there any open APIs that connect to different cryptocurrencies, either with built-in capability or flexibility for plugins? Most APIs appear engineered for only one currency, usually just doge or ...
3
votes
1answer
21 views

Why is a minimum transaction fee for 0.01 BTC *sometimes* enforced

I have read Why would Bitcoin-QT attempt to charge a processing fee, when I have my transaction fees set to zero? but I still have a question. I am sending 0.01 BTC from my wallet to my Ethereum ...
0
votes
0answers
8 views

How to connect pool worker to another stratum pool bitcoin

I have own pool server.In that pool server,i have created workers.I need to connect this worker to another pool worker (like stratum pool URL,worker username ,password) Is this possible in ...
-1
votes
0answers
13 views

Cryptonote vs an X11 Coin

Which one is a more desirable feature in an altcoin? The X11 or the Cryptonote? Also why cnt the 2 be implemented together? X11 seems to allow 11 algos to mine the coin, and cryptonote is based on ...
1
vote
2answers
33 views

Ethereum vs NXT vs Mastercoin Comparison Chart?

Where can I find a comparison chart between these crypto 2.0 currencies like NXT, ethereum, and Mastercoin? What are some of the major advantages of each of these coins in relation to one another?
5
votes
1answer
49 views

History behind the scripting language in Bitcoin?

What is the history of the current existing scripting language in Bitcoin? Satoshi's original whitepaper on Bitcoin makes no mention of a stack based scripting language. So who was the first person ...
0
votes
0answers
19 views

How much Ghps should one be able to process to solo mine? [on hold]

At what processing power does it become viable to start solo mining instead of pooled?
0
votes
0answers
7 views

Blockchain Pairing API

Have anyone of you figured out how can we use devices pairing in 3rd party applications? I've found that pairing QRCode looks like this: "1|<blockchain_login>|<some_hash>", where ...
1
vote
1answer
49 views

How does forging work?

I am looking for a technical answer that explains how are validated the forged block. I already looked in the NXT wiki and in their white paper and found no detailed explanation.
1
vote
1answer
59 views

Strongest vs Longest chain and orphaned blocks

Satoshi writes at the bottom of page 3 of his white paper that "If two nodes broadcast different versions of the next block simultaneously, some nodes may receive one or the other first. In that case, ...
1
vote
2answers
27 views

Does BitMinter not use CPU's for mining at all?

I just started using BitMinter on several computers. They have decent GPU's that are detected and working fine, but I'd like to be able to use my CPU's also and I can't seem to find any method to ...
0
votes
1answer
61 views

I made this flowchart on bitcoin exchanges. What do you think?

To briefly explain: Pretend a bitcoin user spends a bitcoin to purchase a product at Overstock.com. As BTCs are volatile and not ubiquitous like USD, Overstock.com doesn't want to hold onto them. ...
3
votes
1answer
128 views

Is bitcoin-qt using bitcoind? or bitcoind is already built in the bitcoin-qt wallet?

When using bitcoin-qt wallet, all commands are executed externally with bitcoind? I am asking because I saw an altcoin wallet-QT (DMD) which comes as a single file without any daemon file, does it ...
2
votes
1answer
76 views

How do I get money on and off of harborly?

I signed up for a harborly account but I'm still not quite sure how it works. I would like to buy some bitcoins, but how do I get money onto the site?
1
vote
1answer
37 views

Are specific private keys weaker than others?

I've heard some discussion about how certain private keys can be considered weaker because they were generated using a weak randomness algorithm. I have very little experience in this subject and ...
0
votes
0answers
8 views

How to add bc accepted Shopping cart?

I need to start a website for sell and buy goods with bitcoin. Then I need to know how to add an shopping cart system for it. Are there any CMS plugins or modules like joomla, Drupal, or another? Or ...
0
votes
2answers
171 views

How much hashrate power would I require to surely mine 1 bitcoin block per day

How much hashrate power would I require to surely mine one bitcoin block per day? Thanks.
1
vote
0answers
14 views

p2pool manual difficulty

I'd like to experiment with different minimum difficulty settings for my p2pool miners to see if I can get more shares per block. Does anyone have a formula or any recommendations for a minimum ...
1
vote
1answer
28 views

Where can one trade AuroraCoins for Bitcoin?

I have some AuroraCoins (AUR), minin' them on ghash.io. I want to turn them into BTC and then use BTC (no USD!). Some exchanging site? Trust me, I've been Googling, Binging, DuckDuckGoing and others ...
0
votes
0answers
20 views

Expected Nonce value for given block

I have been playing with the code from https://github.com/progranism/Bitcoin-JavaScript-Miner for a little while, and I was wondering at what nonce the block is solved? The example block given in the ...
1
vote
0answers
21 views

Multi-signature and “pay to script hash” vs “pay to pub key hash”

If I understand correctly, there are two methods to perform a multi-signature transactions in Bitcoin. One is "pay to pub key hash", which is a method commonly used to send standard single signature ...
2
votes
1answer
44 views

PPC (peercoin) obsoleted by NXT?

PeerCoin has a Proof-of-Stake concept (and a small portion of Proof-of-Work), to secure the network. NXT is using only POS, which makes it even more energy efficient. Will NXT render PPC (PeerCoin) ...
2
votes
1answer
25 views

What is Mt. Gox's YubiKeys' “configuration protection access code”?

Does anyone know if Mt. Gox, now that they're bankrupt, has released their YubiKey's "configuration protection access code" (cf. this)? If so, we could reprogram the free YubiKeys they sent us and use ...
4
votes
1answer
44 views

Multibit: Whats the best way to proceed if I have forgotten my password but my wallet is still open

I am running multibit. I have less than half a bitcoin. I realised today that I have totally forgotten my password. My wallet is still open so I can still use it to pay for stuff. Can I create a ...
0
votes
1answer
20 views

Why won't my pool find my miners?

My main devices: 12x U1 AntMiner + Raspberry Pi B 512 MB (Included 32GB SD containing MinePeon) As normal I should: Plug in those miners & Raspberry Pi's micro USB-cable into hubs Connect the ...
0
votes
0answers
36 views

How can I rsync my bitcoin database?

I would like to use the bitcoind daemon but I don't want the high CPU footprint related to validating blocks every time new blocks come in. There is a better equipped computer that I can rsync with, ...
0
votes
1answer
12 views

Get last price from Comkort exchange PHP-JSON

Maybe Anybody can tell me why i got no output on my Browser with $mystring ? http://pastebin.com/W0G4Sy4e Shell Output : php test.php 0.01341011 0.01341011 I love using PHP! Browser Output : I ...
0
votes
0answers
18 views

How to solve Block Stuck on mycoin?

i have developed a coin with KGW algorithm and it stuck at 4900 block on multipool.i know the problem is from KGW algorithm and i decide to change it to digishield but i do not know how can i solve ...
-1
votes
1answer
28 views

How desirable are features like Cryptonote in an altcoin?

How desirable are features like Cryptonote in an altcoin? DO you guys think, this is a feature you guys would prefer over an X11 or X13 algorihm?
0
votes
2answers
28 views

Why could UpdateTip be taking so long?

It has been 10 days since I ran bitcoind. When I opened it yesterday, I waited for about 40 minutes during which I could do not much except for waiting because my computer became so slow (high CPU ...
1
vote
1answer
98 views

Frequency of earning a bitcoin transaction

I'm running bitcoinQT on a dedicated server with a good connection ( although, only a modest cpu ). Assuming I have bitcoinQT running 24/7 how often would I expect to earn bitcoin transaction fees ( ...
0
votes
0answers
15 views

Gitian Build Issue - Windows

Got a little issue when compiling Windows QT using Gitian. BTW Im using a Ubuntu 12.04 64bit VPS. So I am using the instructions here : ...
3
votes
2answers
64 views

What's the point of trading BTC if you're limited in the things you can buy

If you're trying to make a profit by trading BTC... fine, I get it. What other reasons are there to trade BTC?
0
votes
0answers
28 views

Is there an API that provides this functionality?

Sorry I couldn't make my title more descriptive, but it might be a little long winded. What I need is the following, and preferably an API that can support the popular crypto currencies, not just ...
2
votes
0answers
22 views

Building from Source on MAC OSX 10.9 Error

Hi i'm building Bitcoin from source and am having some problems. Curious if anyone would be able to help me. When I try to make I get: In file included from ./json/json_spirit_reader_template.h:9: ...
1
vote
1answer
26 views

NXT single address per user vs bitcoin single address per transaction

In bitcoin, the anonymity is ensured by creating a new address for each transaction and by associating this address with a wallet. As far as I understand, with NXT, you use your account (calculated by ...
0
votes
1answer
22 views

Building Bitcoin from Source on MAC OSX 10.9

so I'm trying to get bitcoind running on my Mac and I cloned the source code from github. What I tried doing: brew install autoconf automake berkeley-db4 boost miniupnpc openssl pkg-config protobuf ...
0
votes
0answers
10 views

Are there any BitAuth OpenSource plugins for Chrome, Firefox, or other browsers?

I'm interested in using BitAuth to sign into websites. Are there any plugins for browsers? I'm only interested in FOSS / Open Source implementations...
1
vote
1answer
39 views

Why does re-signing a message in bitcoin-qt produce a different hash

I just noticed that if you repeatedly sign the same message in bitcoin-qt, the signature changes. Why is this?
-1
votes
1answer
52 views

Why is there a need for different exchanges?

In laymen's terms, why is there a need for different bitcoin exchanges? Is it currently the wild west and eventually these exchanges will consolidate. Or can exchanges actually provide different value ...
-4
votes
1answer
49 views

what IS Bitcoin's pourpse and what do they need me to do and why do they need me to do it and what is said thing for? [duplicate]

this program is advertiseing btcoins but not eplaining what they want to pay me to do and why dos it need to be done? its running algorithms but what is it doing that for? is it trying to protect ...
0
votes
1answer
49 views

Is it possible that someone forks the chain?

I'm not sure I understood everything but all the clients always keep the longest chain, ok. So, what happen if an evil person inject bad transactions in a block and successfully mine it (given the ...
1
vote
1answer
32 views

colored coin possible with ring signatures and stealth addresses?

It is understood that colored coin is possible with stealth addresses, but what about ring signatures such as how they are used in the cryptonote protocol (Monero, Bytecoin)? I feel like coloring the ...

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