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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
vote
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
votes
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 ...
0
votes
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 ...
6
votes
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?
4
votes
2answers
3k views

Where to find P2pool networks.py settings for altcoins?

Is there a forum post or website where all the altcoin networks.py settings are being shared? I can see the P2pool forks on Github where people commit their own networks.py settings back to their own ...
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 ...
-2
votes
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 ...
1
vote
3answers
370 views

How to run multiple node in same machine?

I have created an altcoin base on litecoin source code. I want to test it in multiple node to test peers of each node weather each node can connect to each other. So I try to run "mycoind" in multiple ...
0
votes
1answer
150 views

Testing altcoin reward halving - Help!

I am currently working on reward halving changes for a test coin and i have added all the necessary changes but my question is how do i safely test this new halving without affecting production. I ...
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 ...
1
vote
1answer
533 views

Wallet for Rise currency

Does anyone know if there's a wallet application for Rise currency? Thank you!
0
votes
1answer
283 views

error building wallet for altcoin

finally i had to use mxe on ubuntu to can build wallet on windows when i try to compile wallet with qmake i got this error 12:09:25: Running steps for project BlockRipps-qt... 12:09:25: ...
3
votes
2answers
164 views

Altcoins with plaintext transaction messaging

I'm looking to compile a list of altcoins with plaintext transaction messaging embedded into the blockchain. If anyone knows of a coin that fits the bill then please share.
0
votes
1answer
102 views

Importprivkey problem for Litecoin clone

I have cloned an older version of Litecoin using a tutorial. I chose the starting letter for the public addresses to be lower case "x". Everything is working fine except for importprivkey. It will ...
0
votes
2answers
129 views

Syncing Issues - Hashrate?

Okay, I cloned a Dash source (learning) Compiles fine on Linux/Win, I have peers and it was mining blocks fine during the initial launch. 200 Blocks mined, all peers sync'd up fine, sent Tx between ...
0
votes
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 ...
0
votes
1answer
130 views

Coins sent without downloading the full wallet

i sent bit-connect tokens to my desktop wallet and now i cant seem to see them can you please help me it says on the block explorer that it is already there but the network is updated. after that ...
1
vote
3answers
413 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 ...
2
votes
1answer
393 views

Where can I find altcoin inflation rates?

I know I can use coincap.io and CoinMarketCap to see a lot of good information about altcoin relative values, and cryptocompare has good detailed information, but where can I access inflation rates ...
0
votes
2answers
75 views

Historical prices of currencies

Where can I get historical prices for coins, with the ability to store the information. I understand that most APIs do not allow you to save their information, any that do?
1
vote
4answers
562 views

Single API Platform for multiple cryptocurrency?

I am wondering for a single API platform where i will be able to trade for below 5 crypto currency : 1) Bitcoin 2) Litecoin 3) Ethereum 4) Dash 5) Monero So, are you guys supporting all these in 1 ...
0
votes
3answers
1k views

How can I recover my coins?

I'm using an alt coin. The wallet would not sync so I deleted the blkindex.dat file to restart the download. I restarted the wallet client and it downloaded all the blocks, but all my coins are gone. ...
0
votes
1answer
165 views

I try to run username crawler of twister core

I am trying to run usernameCrawler.py file of twister-core. I have taken the following steps: I have built twister I used this command to run twister: ./twisterd -rpcuser=user -rpcpassword=pwd -...
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
307 views

Is there a site that tracks volume over time?

Coinmarketcap shows the current volume data. Is there a site that tracks volume over time in a graph and data table where you can sort by highest volume days? I'm looking to see if a specific coin has ...
0
votes
2answers
275 views

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

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 ...
1
vote
1answer
282 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....
3
votes
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 ...
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.
0
votes
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....
0
votes
1answer
372 views

Blocks fail to create in Altcoin

I have cloned litecoin and i am creating altcoin. I have successfully mined genesis block using GenesisH0 and compilation all works fine. I am trying to mine new coins in mainnet, When i try to ...
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 ...
-1
votes
1answer
368 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 ...
0
votes
0answers
66 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
3answers
132 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 ...
-1
votes
2answers
455 views

Altcoin fork tutorial

Is there any tutorial for altcoin fork creation? I've found only tutorials for the very old versions, and any for the current ones.
7
votes
2answers
748 views

Is there a Shapeshift service for Testnet coins to convert Bitcoins to other Altcoin testnet coins?

I'm building an app and I'm working with btc testnet coins, but I want to be able to convert them to other altcoin testnet coins. Is there such a service out there?
-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
votes
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
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
323 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 ...
0
votes
1answer
46 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'...
1
vote
1answer
447 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]...
3
votes
3answers
13k views

Where do these coins gain their value?

I have been mining coins for a long time (started with BTC/LTC years ago, moved to altcoins recently) and have realized I am not clear on the actual source of the value. Do the exchanges deem the ...
2
votes
2answers
1k views

Is there a cold storage option for altcoins?

Is it possible to create a paper wallet for altcoins offline and send your altcoins there? I can only buy altcoins from online exchanges like bitrexx but I feel it's really risky to keep large ...
1
vote
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,
3
votes
1answer
176 views

What is the safest way to rename my altcoin from “bitcoin” to “myaltcoin” in the source code?

Some Context I am creating my own altcoin for learning purposes and have successfully built the bitcoin code from source with my own genesis block. Now is it time for me to change the name of the ...
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
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.