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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.

1
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1answer
25 views

What happens in a small scale blockchain network?

My main question here is, is this understanding correct or have I misunderstood something? If this question would be better for Reddit then I apologise in advance and I'll move to there. Thanks. ...
-1
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0answers
23 views

Unable to refill keypool (Error refreshing keypool - code -4)

I am unable to get wallet account addresses as the keypool seems to be always empty and I cannot refill it: $ bitcoin-cli getaccountaddress myuser error code: -12 error message: Error: Keypool ran ...
-2
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1answer
57 views

How to change Bitcoin's proof of work? Then enable miner [closed]

I'm using https://github.com/jgarzik/pyminer/blob/master/pyminer.py to test a few different hash functions. Instead, I'd like to try keccak, a few of them in some order like an "X5" and so on. This ...
0
votes
0answers
26 views

How many confirmations does a transaction needs to be included in a snapshot?

I bought bitcoin to participate in bitcoin hex. I sent my bitcoin to the electrum wallet and it has over 500 confirmations. Bitcoin Hex will snapshot bitcoin and I want my bitcoin address to be ...
0
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1answer
27 views

“Ether” vs. “bitcoin”: I wondered when I heard Ethereum does NOT have any crypto-currency (in a Blockchain workshop by speaker)!

In my opinion, Ethereum has a native coin (crypto-currency) called "Ether". On the other hand, Ethereum allows user to create crypto-token, such as ERC-20, using smart contracts. From my point of ...
0
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0answers
65 views

Generating first block after genesis block in PoS altcoin

I'm currently developing a test altcoin in educational purposes, and can't for some reason generate first pow blocks after generating genesis block. Couple of years ago i successfully made workable ...
-3
votes
1answer
55 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 ...
0
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0answers
11 views

Getting a dollar per KWH estimate for the best crypto currencies for last X months

I'm doing some preliminary research for my company into the viability of cryptocurrency mining, were not planning to mine it ourselves, but it's indirectly relevant; it's kind of a long story. To ...
1
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0answers
19 views

Are there any other balance management systems other than UTXOs and Account Based used by blockchains today?

To know how much balance a user has on the bitcoin blockchain you just need to look at their UTXOs. To do the same in Ethereum you just look at their accounts. Are there any other systems used by ...
-1
votes
1answer
70 views

How to do a 51% attack on my own altcoin [closed]

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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1answer
45 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'...
4
votes
3answers
186 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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1answer
26 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
56 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
422 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
votes
0answers
155 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
44 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
vote
0answers
25 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
322 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
443 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]...
-1
votes
1answer
1k 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
133 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
3
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1answer
28 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
80 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 ...
-1
votes
3answers
56 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
165 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. ...
1
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0answers
41 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 ...
-1
votes
1answer
65 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
522 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
votes
1answer
79 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
1answer
80 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
67 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
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1answer
60 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....
2
votes
3answers
178 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
votes
1answer
102 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
1answer
65 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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votes
1answer
190 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
52 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
177 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
68 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
857 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
53 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
281 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....
1
vote
2answers
180 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
598 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
votes
1answer
277 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
232 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
358 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
2answers
139 views

Which exchanges have issued their own token like Binance Coin and Quoine Qash coin?

What other exchanges have issued their own coin like Binance and Quoine? Who was the first to do this? I'm doing some research on the history of exchange backed tokens.
1
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0answers
149 views

Atlcoin: Peers don't sync after one creating new block

I have made an altcoin flowing these steps: 1. Generate genesis block and modify in source code genesis = CreateGenesisBlock(1525404232, 5226643, 0x1e0ffff0, 1, 50 * COIN); consensus....