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-3 votes
1 answer
102 views

Reset or backup from a blockchain possible? [closed]

i have a coin for my own interests. With this i will learn how works all. So i have install the daemon on a vps All works fine. Mining works. And the first 300 blocks i have created. Now i will ...
Mark's user avatar
  • 7
-1 votes
1 answer
3k views

ERROR: AcceptBlock: high-hash, proof of work failed (code 16)

I followed this medium link to create a coin just like bitcoin . https://medium.com/@jordan.baczuk/how-to-fork-bitcoin-c39139506443 Based on this tutorial i update DEFAULT_MAX_TIP_AGE to int64_t ...
Novice Programmer's user avatar
1 vote
1 answer
804 views

How can I simulate ProofOfStake (PoS) for a testnet (clone of Pivx)? [closed]

After the end of PoW blocks, I am unable to mine using PoS. Here is my setup. 1) Server with the following config file. server=1 daemon=1 listen=1 rpcuser=user rpcpassword=password 2) Two clients ...
Harish Kumar B P's user avatar
1 vote
1 answer
1k views

Premine coins from genesis block are gone after one transaction from account/wallet

Please check the whole question once before giving negative marking or Mark as duplicate of Why can’t the genesis block coinbase be spent? Why I cannot get transaction from genesis block [duplicate]...
user1140237's user avatar
0 votes
1 answer
162 views

Unwanted peers connecting to Altcoin

I am building an altcoin using the litecoin source code. I have removed all of the Emplace Seed calls in chainparams.cpp for DNS seeding, changed my default node communication port to port 421 and ...
apt-getschwifty's user avatar
0 votes
1 answer
190 views

Altcoin: Send/receive transactions between nodes have high failure rate

I've noticed that an unusually high number of my attempted send transactions between my nodes (which is currently only 6 at most, but never less than 4) will not broadcast regardless of the amount of ...
apt-getschwifty's user avatar
1 vote
1 answer
763 views

Altcoin - genesis block - TypeError: __init__() takes exactly 2 arguments (3 given)

I'm trying to use the genesis script from innova to generate a genesis block of Xevan_hash https://github.com/innovacoin/GenesisH0/blob/master/genesis.py I'm using these parameters: python genesis....
Marco's user avatar
  • 111
1 vote
2 answers
398 views

How to create a simple lightweight wallet (without mining) for an Altcoin [closed]

I am trying to create a wallet using electrum for an altcoin that uses the Scrypt algorithm. I am looking around for tutorials that can show a step by step process on how to create a simple wallet for ...
Nixxed's user avatar
  • 29
0 votes
1 answer
169 views

cloning bitcoin MAX_MONEY not working [duplicate]

I have changed the amount of coins to be mined, to be 1000 but looks did not work, I have already 8000 coins mined, can someone explain why it is not working? main.h static const int64 MAX_MONEY = ...
raduken's user avatar
  • 105
0 votes
1 answer
246 views

cloning bitcoin how bitcoin find new nodes

I am studying blockchain, cpp and crypto so I cloned bitcoin and created a new altcoin. everything it is working fine as I expected, but i have some questions which i could not find a answer. the ...
raduken's user avatar
  • 105
1 vote
1 answer
655 views

Solo mining on created altcoin: not able to create block

I have forked the code of an altcoin to play with the param and understand the process Source here. Now I want to solo mine to create the blocks. The miner is on my PC and the server on a Ubuntu 16....
Boody's user avatar
  • 31
0 votes
1 answer
323 views

QT-Wallet not sync properly for altcoin

I tried to create altcoin using litecoin source code. I am able to generate genesis block for same. After setup on ubuntu VPS qt wallet connect to server and disconnect within seconds. Please help me ...
Akshay Wagh's user avatar
1 vote
2 answers
603 views

Determining the genesis transaction value or genesis_tx

Is there a way to determine the genesis transaction (genesis_tx) hash? I know the genesis block number but how do you determine genesis_tx? I am looking for this hash for an altcoin which was forked ...
Nixxed's user avatar
  • 29
0 votes
1 answer
2k 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 ...
Nixxed's user avatar
  • 29
2 votes
1 answer
285 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 ...
K Paul's user avatar
  • 61
0 votes
1 answer
102 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 ...
Nixxed's user avatar
  • 29
3 votes
1 answer
3k views

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

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 ...
Shane Buckley's user avatar
0 votes
1 answer
5k 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 ...
Ido Naveh's user avatar
  • 101
3 votes
2 answers
191 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!......
Eric Solberg's user avatar
2 votes
1 answer
4k 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 ...
Andrea Pizzirani's user avatar
1 vote
0 answers
255 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 ...
Francis's user avatar
  • 13
2 votes
1 answer
2k 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 ...
c.oin's user avatar
  • 21
1 vote
0 answers
88 views

Are there any properties of cryptocurrency that can help prevent accumulation of wealth by a few individuals? [closed]

Over time there seems to be a trend towards consolidation of wealth to a small number of individuals in human society. Are there cryptocurrencies with any properties that could help prevent that ...
Highly Irregular's user avatar
0 votes
1 answer
220 views

How can I generate addresses for all altcoins?

I want to develop my own exchange website having all the altcoins addresses. I am doing research from past few days and I came to know that I need a copy software client of all the altcoins, and then ...
user7775988's user avatar
1 vote
0 answers
564 views

How do i create my own cryptocurrency? [closed]

There are any guidelines about how to create my own currency from Ripple?
Purvik Dhorajiya's user avatar
1 vote
0 answers
27 views

Framework for handling transactions/wallets in multiple altcoins generically [closed]

I'm wondering the framework Poloniex, C-CEX and other bigger exchanges use to handle accounts and transactions for such a high number of cryptocurrencies. What could I use to generically be able to ...
brauliobo's user avatar
  • 111
0 votes
1 answer
3k views

New params of chainparams.cpp. What put on them and how generate?

What do these parameters do and what to insert there uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); //what this do ? end what put to here consensus....
tseries's user avatar
  • 205
1 vote
0 answers
39 views

Sending encryped messages using INSaNe. Messages not sending [closed]

I forked INSaNe https://github.com/CryptoCoderz/INSN from github, changed genesis hashes, mined, and sended some coins between two localhost wallets. When i tried to send message from first address to ...
 IT Tech 's user avatar
1 vote
1 answer
1k views

New altcoin. Cpuminer gives me "booo"

I made a new altcoin based on "INSaNe" https://github.com/CryptoCoderz/INSN I changed genesis hashes using this code: if (true && (genesis.GetHash() != hashGenesisBlock)) { ...
 IT Tech 's user avatar
1 vote
2 answers
1k views

Tezos vs Decred

What are the main differences between Decred and Tezos ? Both integrate a governance mechanism so they don't seem very different to me.
Malick's user avatar
  • 111
3 votes
1 answer
2k views

What precisely are vSeeds "seednodes", how to they work, how to create one for a new network?

In this question we have a superficial explanation of vSeeds (seednodes), from the Bitcoin wiki, we have: DNS Addresses Upon startup, if peer node discovery is needed, the client then issues DNS ...
smatthewenglish's user avatar
2 votes
2 answers
1k views

How to prevent ASIC mining for my new altcoin?

I want to create an altcoin that is a clone of Bitcoin. I want the mining to be ASIC resistant. Are there any steps which I should include in my altcoin's mining algorithm to prevent ASIC mining? Do I ...
Fire Bird's user avatar
  • 111
2 votes
1 answer
544 views

Mining new private alt coin derived from litecoin

I have created an new private altcoin from litecoin(build on linux ubuntu) and it is working correctly. Now i want install any miner application (like cgminer) with CPU mining(for test). I have ...
Mufeed K Kasim's user avatar
2 votes
1 answer
361 views

How do you make a coin resistant to soft forking?

Soft forks are probably worse than hard forks, since it is hard for a client to reject a soft fork (indeed, that is the point of soft forks). The only way to do so is either to gain 51% of the hash ...
Christopher King's user avatar
1 vote
0 answers
78 views

Is there an easier way to run multiple altcoins in one service than operating each daemon? [closed]

I am interested how to operate multiple currencies in one service like modern trading platforms do: Cryptsy(496 trading pairs), Bittrex (328 trading pairs), Poliniex(172 trading pairs). The only way ...
Sabine's user avatar
  • 131
0 votes
1 answer
616 views

Is there an altcoin generator with merged-mining support?

I am wondering - is there a service similar to CoinCreator that allows one to generate altcoins with built-in support for merged mining?
ThePiachu's user avatar
  • 43.2k
1 vote
2 answers
158 views

Does anyone have a formula for dynamic block durations?

I want to implement this, so does anyone have a formula for dynamic block durations instead of a fixed target of 10 minutes?
Maestro's user avatar
  • 1,967
4 votes
1 answer
18k views

How Do I create a Mining Pool for an Altcoin?

I made an altcoin using coincreator.net , but I can only mine it on an underpowered windows computer. I was wanting to make a pool so that my friends and I could mine it together from a Windows or a ...
user3613943's user avatar
1 vote
2 answers
2k views

How to fork an Altcoin Which has 0 Reward Block to continue mining after the LAST POW BLOCK

Im trying to learn how is it possible to Hard Fork an Altcoin Blockchain to Continue the Mining Phase after the LAST POW BLOCK. The Block Reward is already 0 and the LAST POW stops at Block 8000. And ...
druim's user avatar
  • 19
2 votes
2 answers
1k views

Where do i start for creating altcoin?

Where do i start for creating a bitcoin altcoin? Like for changing block times, names, coin max, etc? I know what i want to change but I don't know where to change the code for the basic things ...
user295151's user avatar
2 votes
1 answer
184 views

Premining documentation?

I'm looking for more information on how to actually premine a coin. I would be grateful if someone can show me an example. What I've tried so far does and not work, I'm basically mining the first ...
Eugene's user avatar
  • 21
0 votes
1 answer
135 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 ...
Raito's user avatar
  • 111
4 votes
5 answers
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 ...
KJ O's user avatar
  • 343
5 votes
3 answers
3k 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?
Coup de Grace's user avatar