Questions tagged [altcoin-development]

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

123 questions
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When making an altcoin copy of Bitcoin, where should one start?

In attempting to create a clone, a few things have to be considered... things like block time, reward, etc are often changed. What other things should be considered when messing with the source code?
Shamoon
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Why doesn't changing MAX_MONEY change the maximum number of coins?

I've changed MAX_MONEY to decrease the number of coins issued in my altcoin, but it's not working. Why?
Nick ODell
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Failed to Build Bitcoin-Qt

The error relate to UPnP as show below. Please kindly help solve the issue. Thank you! C:\Coin>mingw32-make -f Makefile.Release c:\Qt\4.8.6\bin\rcc.exe -name bitcoin src\qt\bitcoin.qrc -o release\qrc_bitcoin.cpp g++ -c -pipe…
August434
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Altcoin creation from bitcoin ReadBlockFromDisk: Errors in block header at CBlockDiskPos

I am trying to create a altcoin using bitcoin source code. i have changed the pszTimestamp, port number, magic number. I have cleared the DNS seeds and removed checkpoints for now. Then I printed the following values using printf and updated the new…
subodh1989
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Where can I learn how to create my own blockchain with a new transaction scheme?

I am trying to create my own blockchain with my own transactions but there is not much information on how this works in detail. Basically I want to create a transaction with my own structure using blockchain. It is possible?
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What are some open source blockchain projects?

I was trying to build a blockchain to host my cryptocurrency.For that I was searching for some open source blockchain projects and I came across Best blockchain open source projects which mentioned names like…
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What does 1 day PoW mean?

I see several coins advertising 1 day PoW. An example is this coin. https://github.com/concealcoin/concealcoin I have been studying the code but must be missing a critical part as none of the math adds to 1 day. Can anyone shed light on this? What…
Joe
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Possible to build a coin that will never change it's code?

I want to know if it's possible to create a coin that will never go through any kind of forks. Where there would be some kind of consequence for the majority of miners trying to change what it is. Is the only way to do this to make it not open…
Alanay
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How to build my own bitcoin system?

I want to know whether there exists any software that can let people create their own private personal Bitcoin, and mine their own Bitcoin. Or any other software that can let people issue their own digital currency.
user2131116
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How to create a Blockchain for new alt coin after genesis block has been created?

I am creating a new alt coin and I want to know how to generate a Blockchain for that coin. I have already created the genesis block for my new alt coin.
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Creating custom altcoin

Is there any guides on how to: 1) Technically create my own cryptocurrency; 2) Publish it on the world crypto-exchanges; 3) Increase price per coin; Is this company legit: https://dev.cryptolife.net/order/custom-altcoin/ ?