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Questions tagged [altcoin]

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

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1answer
1k views

Iquidus JSON settings for Blockchain Explorer

I did a fork from litecoin into my own altcoin and I am trying to get it on a blockchain explorer to run realtime on a website. I chose an open source blockchain explorer called Iquidus which was ...
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1answer
75 views

Building enviornment, libraries, and compiling… What does that mean? [closed]

I'm an absolute beginner and I am reading the guide on how to build an altcoin (forked from litecoin) here and I am confused on the first steps. I don't want someone else to do it, I want myself to do ...
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1answer
536 views

ERROR: ReadBlockFromDisk: Errors in block header at CBlockDiskPos(nFile=0, nPos=8) in altcoin

I am trying to create altcoin(Abccoin) from bitcoin and change parameters in chainparams.cpp and also generated the genesis block hash and hashMerkleRoot but when I start the daemon with abccoind -...
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1answer
439 views

How to create an altcoin

I'd like to create a Litecoin fork. This is purely for educational purposes. Any tips on how to get started? I've googled for guides online but I can't find any good ones. Info is scattered all over ...
2
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1answer
249 views

How do new Cryptocurrencies prevent a 51% attack?

I've seen similar questions, but not specifically in reference to new altcoins. When a new cryptocurrency is released, the developer(s) have limited amounts of resources. What prevents a group from ...
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1answer
691 views

How to get all time high and low price of bitcoin and other altcoins

I am fetching current price of 500 coins from coinmarketcap.com using their api for some crypto research. I also the all time high and low of these coins to see how much has the value appreciated/ ...
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0answers
95 views

The $20,000 Startup Mining Question [closed]

I am looking to put $CAD 20,000 into a startup mining project at home to learn about the business, assess longer-term viability and of course to have fun. I was wondering what you would recommend to ...
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1answer
50 views

Determining total blocks solved

How do you determine the total blocks solved among all clients in the source code of an Altcoin? Is there a file in the code that can be viewed to see how many blocks have been solved in the meta data?...
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1answer
82 views

Viewing total number of coins mined for an Altcoin

I am a newbie to crypt-currencies so for school, I forked a coin from litecoin to help me understand how it works and so far, I got it to work using a VPS with some other friends mining on it. I am ...
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1answer
66 views

How do websites get prices for a coin? [closed]

There are websites with historical data of coins. How do they get it? Do they get the price from 10 exchanges at the same time, then divide by 10?
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1answer
2k views

Forking PIVX - ERROR: CheckBlockHeader() : proof of work failed

I have forked PIVX and generated new genesis block hash, merkle root and nonce, and changed the rewards parameters. It compiles fine and the daemon starts, I have even got 2 nodes connected, but ...
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1answer
1k views

Compare altcoins in one chart

Is there a website where I can compare several altcoins in one chart? In particular, I am looking for a chart where each coin, that I want to consider, starts with the same value (say a value of 100$)...
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1answer
76 views

I have set blockgeneration time to 15 second but blocks are generated with the speed of 1 block per min(avg)

I have forked Litcoin 0.8v to make my own costomized coin(learning purpose), with some changes in parameters: 1. Total no of coins to be mined = 270,000,000. 2. Block formation time = 15sec. 3. ...
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1answer
106 views

Relation between bitcoin price and other cryptocurrencies prices [closed]

If bitcoin price goes up, Will that increase the value of the other cryptocurrencies? Edit: If yes, then WHY? Seems a mystery for me since I guess every coin has its independent price. Thank you
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1answer
4k views

Build a wallet for Android and iOS for a self-made cryptocurrency

I've built a cryptocurrency of my own using this video guide. I did the first 4 steps out of 6, as the 5th level is about building a wallet for Windows platform. I have started creating this ...
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2answers
1k views

How easy is it to solo-mine new altcoins?

It seems to be pretty clear that CPU/GPU mining is obsolete for the big fellas (Litecoin, Bitcoin, Ethereum, arguably Dogecoin). This is a bummer for beginners like myself cause I'm keen to dive in ...
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2answers
251 views

What happens under the hood when I use BTC to buy an Altcoin on an exchange?

What happens under the hood when I use BTC to buy an Altcoin on an exchange? I recently used Binance to buy an Altcoin using BTC. After making the trade I was expecting to obtain a transaction ...
2
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1answer
1k views

What is Delegated Proof of Stake (DPoS)?

I know that it is a consensus algorithm that is different from Proof of Work (PoW) and Proof of Stake (PoS) which is used in a few blockchains including but not limited to STEEM, BitShares and ARK, ...
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4answers
191 views

What is the advantage of a market-specific cryptocurrency?

Reading this article, http://nakamotoinstitute.org/mempool/the-coming-demise-of-altcoins/, I wonder why there would be a separate coin for each market, like a coin just for buying bananas, marijuana, ...
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2answers
134 views

Why do altcoins vary so along with bitcoins?

Today bitcoin has dropped by 20%, so I looked for alternative cryptocoins with better performance. But, hey! Litecoin, Iota, Ripple, Ethereum, all of that has the roughly the same graph along time in ...
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1answer
428 views

Can Circulating supply decrease?

Looking at the historical data of Loopring, I noticed something strange. On Jan 4, Market cap was $163,805,000 and closed price was $0.65. That means, circulating supply was around 252M. On Jan 5, ...
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2answers
480 views

Payments without private key/address in wallet [OWN COIN]

currently I am creating/sharing an own crypto currency. Details about it are that it is a Scrypt Coin with Proof-Of-Work. But that's not really the question. I will build a website around the coin ...
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1answer
94 views

What can you do in case the number of blocks becomes greater than the maximal number of files that can be stored in a file system (ext4, FAT, etc.)?

In this case (which has actually happened to me), if I sync all blocks, they fill up the whole file system table of the volume. What is the best way to solve it? Using one directory that is split ...
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2answers
1k views

Where to find last x hour/minute trading volume for a given coin

Coinmarketcap shows trading volume for the last 24 hour. Where can I find trading volume for the last x hour/minute? Or How can I calculate it myself programmatically?
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2answers
86 views

Crypto Exchange Price based on BTC

I can't seem to find a solid answer for this but looking at a chart that I have linked below, this altcoin (altcoin X) has a price that is based on BTC from an exchange that is only a crypto exchange. ...
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1answer
814 views

Stratum proxy on Windows

I am looking to do solo mining on a SHA-256 altcoin by purchasing hashrate from NiceHash. I have the client set up on a Windows Server 2016 VPS and the blockchain is synced. For NiceHash to point the ...
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2answers
165 views

Is there a chance to return all of the lost money invested when the chart goes back up? [closed]

Let say, for example, I invested $3 to buy 21 TRX (Tron Tokens), usually a token under Ethereum platform but still working the same as other altcoins when the value goes high, where the price is ...
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1answer
88 views

Do any altcoins use a DHT for connecting to peers?

Bitcoin doesn't use a DHT for connecting to peers. Are there any altcoins that do?
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2answers
156 views

How difficult is it to invent a new cryptocurrency? (In regards to time, money, technical knowledge, etc.)

Although I initially believed there were only a couple cryptocurrencies available on the market, after some research, I've discovered that there are well over a thousand different cryptocurrencies!......
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1answer
62 views

Spreading reward of a block over the miners proceeding it

Say I want to implement a rewarding scheme that spreads the reward of a block over its own miner and the miners that build on top of it. Is it possible? More concretely, say each of my blocks bring ...
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1answer
4k views

Current transaction fees for various cryptocurrencies

Is there a place that lists current transaction fees for various cryptocurrencies like Bitcoin, Litecoin, Ripple, Ethereum, Bitcoin Cash etc.? The best would be fees converted to some fiat (USD, EUR) ...
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2answers
53 views

Is there any relationship between Altcoin domain name and its validity? [closed]

We are seeing many new alcoins coming to the market. However a lot of them have very weird websites. io, org etc. But yesterdayi noticed a new altcoin GAME https://coinmarketcap.com/currencies/game/ ...
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1answer
126 views

Digibyte Wallet Hash

I recently invested in digibyte. As someone of IT-security field, I'd love to know how the passphrase is stored in digibytes wallet.dat. The Bitcoin2John doesn't work on it and hashcat, too, has no ...
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1answer
2k views

ERROR: ReadBlockFromDisk: Errors in block header at CBlockDiskPos(nFile=0, nPos=8)

For study and fun I try to create my own altcoin. I forked Litecoin, removed checkpoints, changed nTime, *pszTimestamp, noNce and hashed new hashes for genesis block in main net, testnet and ...
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2answers
276 views

C++ error building a fork of Bitcoin-ABC

I'm creating a Bitcoin-ABC based altcoin, everything was fine when I compiled dynamically for my Ubuntu machine, but when I try making a static release build I get: CXXLD libbitcoinconsensus.la ....
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1answer
675 views

In altcoins, why is it that sometimes the volume increases when the price stays relatively stable or even goes gown? [closed]

Naturally, if the volume of a market increases, then I would interpret that as increasing demand of that market and expect the price to go up. But it seems that this is not always the case. I've ...
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0answers
2k views

How do I send my coins from my Verge paper wallet? [closed]

I have created a paper wallet and send some coins from my account on binance.com to it ... How can I send them back to binance from the wallet?
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3answers
71 views

What are the chances that Bitcoin changes its proof-concept one day?

Is it realistic/possible that the bitcoin core team make a new Bitcoin Improvement Proposal (BIP) on day in which they propose to change Proof of Work (POW) with something else (proof of stake for ...
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1answer
160 views

Which exchanges are good for altcoins?

To trade Altcoins nowadays, which exchanges are good to use? Bittrex and Bitfinex are both out of option due to their temporary block on new accounts.
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1answer
2k views

Tronix cryptocurrency

How can I create a tronix (trx) cold wallet? I see no info on the Internet. Both a link to a key generator script and website with wallet creation would be ok. Thanks.
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1answer
2k views

How to setup Antminer D3 to solo mine to CANN wallet

I am trying to solo-mine CANN using my Antminer D3 directly to the full node wallet. I would really like to start adding decentralization to small coins just for the heck of it, but I am having some ...
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0answers
222 views

Altcoin based on Litecoin [closed]

I've compiled the Litecoin source using a custom genesis block to create a simple Altcoin for fun. I just have some questions about Bitcoin/Litecoin Qt. When I mine a block using the generate ...
7
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2answers
252 views

How is IOTA's Tangle different than classical blockchains?

How is IOTA's Tangle different than classical blockchains? What are the main differences and how do they translate to real world usage? What are the strengths and weaknesses of the Tangle?
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1answer
355 views

Buy alt coin with bitcoin and both go up 300%, so did I even make any money?

Seems that my poor and rich bitcoin holding friends don't seem to even know the answer to this :/ Say I used coinbase and transfer BTC to an exchange like bittrex and exchanged BTC for some alt ...
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1answer
455 views

How do I implement bitcoin-seeder for an altcoin?

I am creating an altcoin, following a tutorial. The tutor skipped explaining setting up the DNS seeder. How can I implement this code https://github.com/sipa/bitcoin-seeder ? Currently when I run ./...
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3answers
148 views

Cancelling transactions

I know it is currently not possible to cancel transactions in the Bitcoin. However, say someone wants to implement such mechanism in an altcoin. Is it theoretically possible without damaging the open ...
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1answer
1k views

Altcoin (Litecoin fork) creation. No synchronisation

i m trying to create an altcoin from the current Litecoin master branch on github. Its Litecoin in the version of 0.15.1. By editing some parameter in chainparams.cpp i m able to create my genesis ...
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1answer
2k views

Cryptocompare Api - understanding API return values

I have come across the API from cryptocompare.com which fetches data from various exchanges. I do not understand the some values returned from the API call https://min-api.cryptocompare.com/data/...
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3answers
430 views

Which currency (crypto & fiat) to use to measure profits?

Lets say you have added enough USD to trade with so you pick BTC to trade altcoins with. You buy Altcoin X for let's say order total 0.5 BTC BTC goes up in value but Altcoin X in USD has jumped big ...
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0answers
329 views

How important is Graphics Ram for hashing [closed]

Some altcoins are designed to be "memory intensive" to avoid use of ASICs to mine them. Does the RAM refered to here, mean the RAM of the computer or the RAM on the GFX card itself. When looking at ...