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Questions tagged [altcoin]

Questions about alternative cryptocurrencies are off topic unless they are applicable to Bitcoin.

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2
votes
1answer
465 views

Are there any services offering blockchain.info-like API for multiple currencies?

I am wondering whether there are any services that offer some API like blockchain.info does but for multiple currencies at the same time. I know there are a lot of block explorers out there, but they ...
1
vote
2answers
1k views

How to connect nodes globally?

I am running two altcoin clients on different network, connected by VPN. The addnode command works fine, and nodes connects. But what to do if I want others to connect to my network? The ip addresses ...
3
votes
1answer
172 views

Altcoins: Determine how many confirmations to require to deposit

For Bitcoin it is common knowledge that 6 confirmations suffices. For the hundred of Alt Coins however, I'm not sure what the best practise to be protected enough from double-spents and the likes is. ...
1
vote
1answer
573 views

Altcoin does not create .altcoin folder and debug.log

I changed the source code of bitcoin and I ran it. However, it gives the following error: chainparams.cpp:140: CMainParams::CMainParams(): Assertion `hashGenesisBlock == uint256("0xxx")' failed. ...
0
votes
1answer
97 views

Any guidance to built Simple and Basic trade engine?

I want to know how the trade engine works, sites likes cryptsy seems to have trade engine to automate the trade process, At first coin-swap seems to have option for "Accept Trade", but now this also ...
3
votes
2answers
12k views

Isracoin: What hashrate should I be getting with intel core i5?

I'm only getting 13 kh/s using minerd with intel i5 and the lowfeemining.org pool. Shouldn't I be getting a better hashrate?
2
votes
1answer
94 views

Cryptographic “Central Bank” [duplicate]

Is it possible to create a bitcoin-like system that has a central authority? I know that the reason that many people like bitcoin is that it is completely unregulated, but I was thinking that a "...
4
votes
1answer
164 views

How do altcoins tell each other apart?

So there are hundreds of live and even thriving altcoins today. They are all basically a clone of Bitcoin and operate basically the same. But when you run the mining client for any given coin, how ...
0
votes
1answer
110 views

How can I limit the mining to specifics miners authentified by private key or something like that?

I know how to code in C++, but I don't know really how all mining system works. I have my altcoin, and I would like to block reward blocks to miners which are not authentified (something by private ...
0
votes
1answer
621 views

Creating An Altcoin: How to Lower or Increase Confirmation Times?

When Creating an Altcoin for fun, what variable/attribute do I change in main.cpp file to increase/lower the time it takes for confirmations to take place? Also can the confirmation times be changed ...
2
votes
1answer
383 views

Dealing with forks

It seems with a lot of alternate cryptocurrencies that forks are a serious problem. Due to attacks or multi-coin pools throwing insane amounts of hash power I have noticed a few of my coins regularly ...
1
vote
1answer
90 views

In what line of what file does the block reward depend on?

I want to make an altcoin and since I am new, I wanted to know what sets the reward of a block after being mined.
-2
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2answers
872 views

How is it possible to modify bitcoin source to change behavior of a newly-created altcoin? [closed]

In creating a new SHA-256 based coin, I have a few basic questions that I hope someone can offer some help with (I do not have development background): Is bitcoin-0.6.3-linux.tar the latest and ...
-1
votes
2answers
107 views

DollarTrackerCoin - Would it be possible to create an alt coin that tracks a Fiat currency? [duplicate]

By baking into the algorithm dynamically adjusting the 'difficultly' so that if it is more expensive than the fiat currency then more coins can be created, and visa-versa- causing the currency to ...
2
votes
0answers
35 views

mining pcie 16x and 1x together caused rejects [closed]

I have 5 msi radeon R9 290 cards and this board https://www.asus.com/Motherboards/Z87PLUS/specifications/ . With 3 pcie 16x everything runs smooth but, as soon as I add the first 1x into the equation, ...
11
votes
2answers
4k views

How is a side-chain merging back to Bitcoin chain protected against double-spend? Where are the side-chain mining fees?

I am struggling to understand the concept of "side-chains" that's discussed a lot lately, but never trully explained. How I understand "side-chain": it's an altcoin, with a separate blockchain, with ...
9
votes
1answer
156 views

Heartbleed bug and Altcoins

Bitcoin recently released V 0.9.1 patching vulnerabilities from the Heartbleed bug, however I have not seen anything from any alt coin. What are the possible security risks associated with using these ...
2
votes
1answer
57 views

Is it possible to create a system for 'shared wallets' on top of bitcoin?

Is it possible to build a system on top of bitcoin, where: Random people will deposit money in a wallet X. Nobody has access to that wallet. After a few months, those users will vote in other wallets ...
2
votes
3answers
294 views

Which altcoins have testnets?

Bitcoin can be run on a public testnet (by using a different port than the real Bitcoin network). This is very useful for development, because you can test software handling Bitcoin without handling ...
5
votes
5answers
2k views

What advantages do “alt-coins” have over bitcoin?

I'm struggling to see the importance of alt-coins. It seems to me that one of the major selling points of the various alt-coins is their quicker confirmation times. The common argument is: this is ...
1
vote
4answers
364 views

Do all Bitcoin alternatives need to have a coin limit?

In the Netherlands, it was just in the news the e-gulden was launched. Before we got the Euro (€) we had that currency in our country. An E-gulden (EFL) is currently 50 EFL = €1,50 But is there for ...
1
vote
3answers
798 views

Is it theoretically possible to limit the hash rate?

I am thinking of developing an altcoin that is truly asic/pool proof. I haven't tried yet (or even downloaded the source code), but I was wondering if it is possible for the network to behave in such ...
1
vote
1answer
834 views

How to calculate velocity of Bitcoin?

So determining the value of bitcoin is not the question at stake here. Suppose there's a new bitcoin with a production algorithm that's tied to the feedback rule proposed by McCallum and adjusts ...
5
votes
3answers
2k views

What are the pros and cons of premined altcoins?

When starting an altcoin from scratch, how would distributing premined coins to a certain community affect the currency?
5
votes
1answer
740 views

Can Darkcoin's Darksend be implemented on top of Bitcoin?

Can Darkcoin's Darksend (I think this is called coinjoin, but I am unsure) be implemented on any cryptocurrency (without a fork), or must the feature be present when the coin is first released?
0
votes
2answers
329 views

Is there any altcoin with improvements in blockchain download time?

Let me introduce my idea. Given: sizeof( Blockchain ) = 16Gb Downloading of one avi film 16GB from the pirate bay ( 5mb/s ) = 2-3 hours Downloading of bitcoin's blockchain ( 5mb/s ) = 2-3 days One ...
1
vote
1answer
749 views

Do all Crypto Coins use the same Wallet Format?

There are many crypto currencies now, BTC, LTC, MTC, Potcoin and so on. Each of these have their own wallet.dat files used by the client software. My question is: Do all these crypto currencies make ...
1
vote
1answer
52 views

Small altcoin usage effects

So I'm working on an altcoin for me and my friends to use. None of them are familiar with mining. If my computer is the only one mining, how much would that affect the economy? Also, how many ...
0
votes
1answer
285 views

No submitblock in altcoin?

I'm trying to figure out how I'd submit a block in many alt-coins. I originally found this issue in bbqcoin but have since found it in many others. I have bbqcoin (and others) installed from gihub ...
0
votes
1answer
845 views

0 hashes per second in Qt for new altcoin

Lately I have become interested in the way crytocurrency works. So I decided to make my own cryptocurrency to learn it's internal workings. I used a clone of SmallChange and followed this guide. ...
1
vote
0answers
109 views

Number of transactions and transaction history don't match in XenCoinQt

I am solo mining XenCoin using XenCoin QT v0.6.3.3-g069d718-beta. The number of transactions shown on the overview tab is 9, yet there are 7 transactions listed in the transaction history. Also, ...
3
votes
3answers
218 views

What if the execution time for an alt coin script exceeds the block time?

I don't know when and how often a script is executed, but it seems to me that there would be a problem if a single script (or a sum of all scripts in a block) exceeds the time it takes to be included ...
3
votes
3answers
885 views

How can Auroracoin be the 4th crypto-coin by market cap if it's unreleased yet?

Auroracoin has become the 4th biggest crypto-currency measured in market capitalization. How can an as-yet unreleased coin have market value if it's not available for exchange (either for fiat or for ...
3
votes
2answers
6k views

How to create a bootstrap.dat file? [duplicate]

I want to create a new bootstrap.dat file for a Dogecoin. How do this kind of files are created and how can I create one? What tools should I use? any answers/links/references are appreciated. I have ...
2
votes
1answer
923 views

digitalcoin wallet won't sync

I've had my digitalcoin wallet open for a few days now, hoping it would eventually sync back up but it's seemingly stuck, not necessarily at a specific block, but around 3 days back, whichever block ...
0
votes
1answer
702 views

How to fix CoinBase pay too much error [duplicate]

ERROR: ConnectBlock() : coinbase pays too much (actual=20000000 vs limit=20000000) I got this error at my debug.log anyone know how to fix this issue? I am coding a new coin, changing its rewards, ...
1
vote
0answers
578 views

CreateNewBlock : ConnectBlock Fail [closed]

Error Message at server 2 / 3 (peers trying to connect to main server) root@ubuntu:~/dogequark/src# cat ~/.dogequark/dogequark.cterminate called after throwing an instance of 'std::runtime_error' ...
1
vote
2answers
1k views

How to start multiple altcoin rpc daemons at once?

I'm building an ecommerce website where I want to do my own payment processing in seven different ctyptocurrencies. I want use the separate versions of bitcoind for each currency, because I feel like ...
0
votes
2answers
49 views

Fees/Taxes on Each Block Found

Haven't found a clear answer to this, but I have heard that various coins charge a sort of "developer tax". I've looked through a bunch of various crypto's sourcecode, but I haven't found any hints as ...
2
votes
2answers
111 views

Are Bitcoin signatures currency specific?

I am wondering whether signatures for Bitcoin-like currencies are currency specific, or given one program that can sign a Bitcoin raw/JSON transaction one can create valid signatures for other coins ...
6
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4answers
16k views

Coins with memory-intensive mining

Are there coins that demand system memory rather than computing power? Which coin brings me the most mining profit if I have a lot of system DDR3 RAM (say 64 GB or more) in my personal computer?
-1
votes
1answer
42 views

Where can I find information on how many PenniesCENT have already been mined?

I saw a request to add CENT on coinmarketcap. Where can I find out the total of PenniesCENT mined so far?
4
votes
2answers
5k views

Is Vertcoin really ASIC resistant?

Vertcoin comes with Adaptive-N-factor, which means the scrypt algorithm PBKDF parameter N will be changed according to the announced time table. Litecoin has N=10, while Vertcoin starts with N=11. And ...
1
vote
2answers
967 views

Would it be possible to have an ARM hashing based Cryptocurrency?

This was something that popped into my mind while I was thinking about CPU Only Alt-coins. Would it be possible to have an ARM-based coin? That is, a coin that could only be mined on ARM devices (...
4
votes
3answers
2k views

Are there any cryptocurrencies with no mining beyond participation?

I mean something where just participation in the decentralized network gives you coins somehow and you cannot do anything beyond (excluding more participation, of course, by having multiple PCs and ...
4
votes
2answers
4k views

Is ASIC Bitcoin Mining Profitable? [closed]

I’m pretty well versed in Bitcoin trading but am really new to Bitcoin mining. I hear a lot of conflicting views regarding the profitability you can achieve with Bitcoin mining. I was wondering if I’m ...
3
votes
2answers
448 views

Altcoin confirmations and safety - wait ~6 confirmations, or ~1 hour?

The general consensus in the Bitcoin network is to wait for 6 confirmations or 1 hour on a transaction before it can be considered completely irreversible. However, when it comes to altcoins that use ...
5
votes
2answers
894 views

Can the bitcoin network hashrate be used for a 51% attack on other coins?

Please correct me if I am wrong. The difficulty constantly changes according to the current hash rate. It changes to ensure that a block is mined every 10 minutes. If the hash rate was 1000 TH/s and ...
2
votes
3answers
2k views

Why is Bitcoin better than other cryptocurrency? [duplicate]

If there too many types of such kind of currency, will them be very cheap? I have 4 BTC and since the current BTC price waves a lot, I am wondering this. Thanks,
4
votes
1answer
153 views

Is there a website that compares the features of different cryptocoins?

Is there any website where I can find a comparison of different altcoins by features? I'm not interested in hashrate, price, difficulty, but rather in implemented features such as: Used difficulty ...