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Questions tagged [altcoin]

This tag should be used for questions that are relevant to most or all blockchain based cryptocurrencies. If your question is specific to one altcoin, please use/create the tag for that altcoin.

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0answers
35 views

How to do a 51% attack on my own altcoin

recently I have been curious about 51% attacks so I created a fork of litecoin and want to do a 51% attack on the coin but don't know how to. please can you tell me how to do it. Thanks,
0
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0answers
20 views

SPV application for Omni layer

Is there anything like BitcoinJ, Electrum, BTCPay or a third party service to work with Tether USD (integrate USDT payment/exchange into my application)? Omni Core syncing time is too slow and I don't ...
0
votes
1answer
8 views

Open source updated blockchain explorer for altcoin

Is there updated blockchain explorer available to work with altcoin? I configured the most popular blockhain explorer: iquidus explorer but the transactions display table are limited on display, can'...
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0answers
15 views

How to clone and create an altcoin using electron & electron.js

Is there a guide or method for cloning or making an altcoin on the electron.js framework? I know I can use npn to download a bitcoin client for electron.js but I don't see a way to download a ...
4
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3answers
94 views

What was the first altcoin?

I'm aware that LiteCoin is (was?) the "silver" to bitcoin's "gold". The question is: What was the first altcoin? Was it actually LiteCoin or was there something else? For the purposes of "alt ...
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0answers
20 views

what is the reason behind “IsInitialblcokDownload()” function in mining.cpp

I've been working on bitcoin blockchain for a while and this question croosed my mind while studying bitcoin-core. Can any one tell in detail what is the reason behind "IsInitialblcokDownload()" ...
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0answers
23 views

How should i start learning code of any cryptocurrency? [duplicate]

I want to learn about the code of cryptocurrency with all it's features including POS and master node features, currently I have XSN code (stake-net coin) and i want to learn it so i can make use of ...
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1answer
25 views

Can you withhold cryptocurrency when launching a cryptocurrency?

I'd like to fork a cryptocurrency for use as my company's stock ownership system. In this sense the cryptocurrency, or cryptostock, would represent shares of my public company. As such I'd like to ...
0
votes
1answer
39 views

Is it possible to take advantage of FP16 for mining BTC or ALTs?

I know mining uses mostly Integers, not Floating Point Ops... but still, is it possible to use Graphics Cards that support native 16bit Math for mining? Will it improve the performance in specific ...
-1
votes
1answer
173 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 ...
0
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0answers
76 views

CPU Miner return Internal Server Error for getblocktemplate request

I was developing an altcoin using bitcoin v 0.17. I am using CPU miner for mining purposes. I started the miner using this command: ./minerd -a sha256d -o http://localhost:19230 -O adreno:adreno@123 -...
1
vote
1answer
39 views

blockexplorer is not fully synced [closed]

I am working with a cryptocurrency which is a fork of bitcoin. In my blockexplorer it shows 91% synced and I cant see any latest blocks.
1
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0answers
19 views

Failing to create a new address to be used for receiving staking rewards whenever a generated block is accepted

Our problem is that we need to get a new address on each stake. What I've tried so far is: Generating a new address right before a block is accepted and try using it to receive the stakes, but that ...
1
vote
1answer
130 views

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

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 ...
1
vote
1answer
239 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]...
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1answer
758 views

Cannot mine Genesis / First Block (PIVX Fork / Clone)

Whatever I do, I am unable to mine the 1st block after the genesis block. All the while, I have assumed that I have mined the Genesis block, and I am unable to mine the 1st block using "setgenerate ...
1
vote
1answer
79 views

How to get staking balance using RPC commands [closed]

I enabled staking on my wallet. I want to know the staking rewards I got. Is there any rpc command exist to get staking reward balance? Thanks
2
votes
1answer
17 views

Is there a documentation of the first altcoins timeline?

Meaning, which altcoin was created one, in a chronological order. It's interesting, from a historical perspective, to collect such an archive.
3
votes
1answer
75 views

Why haven't a large number of cryptocurrencies copied Primecoin's mining algorithm? [closed]

According to my understanding, generating an ever-growing list of prime numbers benefits mathematics and society in some mysterious way. Given this, why have more recently created proof-of-work ...
0
votes
2answers
29 views

Should I run crypto node for my trading platform?

I wanted to create a cryptocurrency trading platform where people can deposit cryptocurrency and trade them with other altcoins and finally withdraw it. Tell me do I need to run full crypto node to ...
1
vote
1answer
84 views

Is there a list of coins that are bip-32 compatible?

BIP 32 allows me to derive keys based off a root key pair, and all these keys will be on the secp256k1 curve. That means I'll be able to use BIP 32 for other coins that are also based on your curve. ...
0
votes
0answers
191 views

Iquidus Explorer showing incorrect balance for given address

I tried to fork Iquidus Explorer to build my own block explorer for one of my altcoin. My coin was forked from Dash which it's Hybrid coin instead of PoW. The problem I had with Iquidus Explorer was ...
1
vote
0answers
28 views

Does PPS reward depend on specific block difficulty?

How is reward per share calculated on PPS payments system? Does it depend on specific block difficulty or average difficulty per day/week/month used? If I have mined two successive blocks with ...
0
votes
1answer
61 views

Other people mining my coin without my permission, how to avoid this?

I have created an altcoin and i wanted to solo mine all coins myself. I disabled generate function in wallet, hidden the source code as private in github. I run one main node and i mine in my laptop. ...
4
votes
1answer
509 views

How can forks coexist even though only one of the is the longest chain?

We know Bitcoin has some forks like Bitcoin Cash and Litecoin. They make a new branch on chain, so how can they coexist without the shorter branches being discarded, and just the longest chain staying ...
0
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0answers
67 views

How do i get a PoS coin to sync with nodes after Invalidateblock at a height?

I have forked a pivx clone using invalidateblock at certain block number 863781. Now i have made no changes to the code or protocol so i expect it to mint new coins starting from this height. i have ...
0
votes
1answer
64 views

how do i setup a node for my altcoin?

I just created a new altcoin based on foocoin or barcoin. But now i need my wallet be synchronized. There's some way to setup a node without any cost or low cost for my wallet? By other part, i just ...
0
votes
0answers
76 views

How to premine my altcoins?

I just trying to use one source based on POS but my question is which are the steps to premine my coins? Source. https://git.mananet.net/manatails/manateecoin
0
votes
1answer
65 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 ...
0
votes
1answer
53 views

"command not found' while installing dependencies

While installing dependencies for compiling an altcoin wallet on VPS for run a Masternode - using Ubuntu 16 I run into this fatal error In file included from alert.h:9:0, from alert....
0
votes
0answers
42 views

Help With Gitian-Builder - Failed to load “rcfile”

I' having hard time building the Bitcoin using gitian-builder. I'm getting closer but i'm stuck at this error and I dont know what it really means or why is it even there. I'm using the gitian-build....
1
vote
3answers
143 views

Crypto exchanges algorithms

I have noticed that if I put a buy order up - for instance - on any not so heavily traded coin, if close to the highest bid, often within 20 secs the highest bid will try to beat me. Or when I put it ...
0
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0answers
53 views

Altcoin Fork: Wallet - Error opening Block Database

I forked a coin based on Banq. I changed everything and all worked fine. I could mine, blocks were syncing well without any problem etc. The problem comes when I set up the masternodes, I did setup ...
0
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1answer
83 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 ...
0
votes
0answers
219 views

Problem creating altcoin with masternodes

I forked an altcoin with masternodes to learn how to clone an altcoin and also to understand it more technically. So I forked one altcoin, changed everything and all worked fine. I could mine, blocks ...
0
votes
0answers
25 views

ignore connection from different coin networks

I work on bitcoin core code for a while to learn more. I noticed that there are incoming connections from other coins ( like litecoin ) network. I try different port for my node, but still there are ...
0
votes
1answer
51 views

How can I check what mining algorithm does an altcoin use?

Where in the sourcecode files can this be checked? For example, lets get a specific coin: Chronon https://github.com/ChrononGroup/Chronon In what file can one check the mining algorithm?
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1answer
154 views

How to go PoS once PoW ends?

I cloned a test coin from another altcoin for learning purpose. This had lastPoWBlock as 400 and i was able to premine using cpu miner but my chain stops at 400 blocks. It should be a PoS after 400 ...
1
vote
1answer
47 views

How prevalent are coin attacks with botique altcoins?

I have deployed several altcoins using various PoW algorithms on my LAN for my buddies and I to mine/learn from. We ultimately want to go the distance of deploying an altcoin to the world, writing the ...
2
votes
0answers
135 views

How to hard fork a altcoin? [closed]

I have created a altcoin using the reference of LTC and already 170k blocks were formed. Now i want to change the conformation time as well as i want the difficulty to start from base difficulty....
0
votes
1answer
51 views

Altcoin clone peer connections limited to 1

I cloned an altcoin and set up a network of 7 peers. One of the clients is connected to a pool and is mining the coin. All the other clients are connected to the pool one and are syncing and ...
0
votes
3answers
606 views

Problem mining Genesis Block in Dash Clone

Good morning, I need help !! I have cloned other coins (scrypt and SHA256), but I found a big problem with the DASH CLONE. After having completed the DASHCLONE project. When I can not do the genesis ...
0
votes
0answers
48 views

What is the best resource to learn and implement z-addresses in ZCash?

I have managed to implement t-addresses, which are a clone of Bitcoin. What is the best resource to understand z-addresses? I want to implement everything myself, including pairings. I have ...
1
vote
1answer
207 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....
0
votes
2answers
145 views

getblocktemplate returns out of memory

I tried on a few different machines, vps etc. Also, few different altcoin litecoin included. Most were with 4 GB of ram, if this matters. Every time when I enter the command getblocktemplate , I get ...
1
vote
1answer
530 views

How to fork a cryptocurrency [closed]

I have cloned a coin and changed some variable to make it my own coin. I have launched it and have a few mining pools mining my coin. Going through the code I notice I have an error and the reward ...
0
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1answer
227 views

Altcoin Solo mining Help / Advice

I am kind of stumped. I have been mining for about 6 months and have been trying out various methods in that time. I have used CPU, GPU (a combo of both) and most recently been using some older ASICS. ...
1
vote
1answer
169 views

Changed Merkle Root and Genesis Hash - Not Compiling

I am kindly asking the expert programmers of this wonderful forum to enlighten me on why the updated QT I have created, does not properly open when running ./stonecoin-qt , but rather dumps core and ...
1
vote
1answer
245 views

Fetch Balance of wallet without Core wallets of all coin?

I'm creating an exchange like service, I need some for showing all transaction to user like deposit and withdrawal but I'm not using core wallets of any coin, using paper wallets for wallet creation ...
0
votes
0answers
131 views

How to create a cryptocurrency using Litecoin

Hello i was following this tuto. https://www.youtube.com/watch?v=jcu4BB7EAx0&feature=youtu.be&t=266 But my question is after done all the process i just must to import my private key to my ...