0
votes
0answers
20 views

What is the difference between Ripple and Stellar?

I went through the site but I don't see how it differs from Ripple. I see that there are differences in distribution, everything is made open source from day one and the company is non profit instead ...
1
vote
0answers
7 views

Making an altcoin (for fun, not to use), and after finding MerkleRoot and genesis block, I still get errors

I'm making a PoW/PoS hybrid coin for fun (nobody will actually use it). I already found the Merkle root and mined the genesis block and got the nonce and things like that. I inserted them into the ...
0
votes
0answers
6 views

Where can I find a C or C++ implementation of converting bitcoin privatekey to bitcoin public key and bitcoin address?

There are versions in python and some such things, but I need a C version (or at least C++). I do have the sha256, RMD160 in C already, and those functions are called. Thank you.
1
vote
1answer
9 views

stealth address transaction example on bitcoin's blockchain

I am looking for an example transaction on bitcoin's blockchain using a stealth addressing I am brainstorming how stealth addresses would be used amongst normal addresses in combination (whereas ...
1
vote
1answer
25 views

include checksum in a transaction

is it possible to include a file's checksum in a transaction? Not necessarily in BITCOIN's current blockchain due to the now limited OP_RETURN feature, but just in the blockchain/transaction concept ...
0
votes
0answers
12 views

Ensure Wallet consistency

I have recently migrated machine. I used the Apple Migration Wizard and when it was finished my new machine's copy of Multibit appears to have my BTC within it. My next task is to wipe the old ...
0
votes
3answers
25 views

Difference (if any) between proof-of-work in mining bitcoin vs verifying transaction

I'm trying to understand the proof-of-work idea for verifying a transaction. I think I understand why proof of work is needed to verify transactions (essentially to prevent spoofing/double spending ...
1
vote
0answers
5 views

How do the Peercoin nodes verify a new block found by proof-of-stake?

Is the method for verifying a new block found by proof-of-stake minting the same as if it were found by proof-of-work mining?
1
vote
0answers
4 views

How does a Peercoin node announce a new block found by proof-of-stake?

Is the algorithm the same as it is in the case of proof-of-work?
1
vote
0answers
5 views

What role does stake play in finding a PoS block specifically?

How does staking more PPC increase one's chances of finding a valid PoS block?
1
vote
2answers
21 views

How is the previous transaction hash calculated?

Can anyone provide a clear example on how to calculate a previous transaction hash. Say i want to create a new transaction, i get that the hash is calculated by doubling sha256 a message m, but I'm ...
0
votes
1answer
17 views

How can I do CPU mining on testnet?

I'm trying to do cpu mining on testnet to debug coinbase transactions in my application. Tried running GUI miner, I get the below output: 2014-07-31 11:31:51: Running command: poclbm.exe ...
2
votes
2answers
31 views

What is the maximum number of output addresses I can send to with one bitcoin transaction?

I'm looking to make a faucet website, but was wondering what is the maximum number of output addresses one can send to with one bitcoin transaction?
1
vote
1answer
10 views

Restore wallet.dat on windows 8

How do I use my wallet.dat on my windows 8 bitcoin qt? Someone posted this C:\Documents and Settings\YourUserName\Application data\Bitcoin (XP) C:\Users\YourUserName\Appdata\Roaming\Bitcoin (Vista ...
2
votes
1answer
26 views

How does NXT prevent blockchain bloat since it does so many different things with its blockchain?

How does NXT prevent blockchain bloat since it has a built in message system and other features? Wouldn't the NXT blockchain grow to be really big in the future and pose a problem for people storing ...
0
votes
1answer
39 views

Windows vs Linux for bitcoind (not mining)

What is the best O/S for bitcoind, which serves as a backbone for an online payments processor? Right now it is set up to run under Windows but I'm not sure if this is the best choice if they ...
3
votes
2answers
527 views

Why does Bitcoin store all transaction inputs and outputs, instead of just an “account/balance” ledger?

From what I can tell, the Ethereum blockchain just stores accounts and balances - why did the original Bitcoin developers choose the method of storing all transactions for validation instead of just ...
2
votes
0answers
14 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
19 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
20 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
25 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
19 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
40 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
18 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
28 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
10 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 ...
0
votes
1answer
25 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
48 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?
7
votes
1answer
75 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
21 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
9 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
63 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
30 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
62 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
129 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
80 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
38 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
10 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
175 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
29 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
22 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 ...
2
votes
0answers
26 views
+50

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
48 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
26 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
45 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
21 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
38 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, ...

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