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Questions tagged [genesis-block]

Refers to the very first block of a new blockchain based cryptocurrency.

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Blake-256 genesis block generation helpint

I'm making my own coin and get problem to generate genesis for my fork. Genesis need to be blake-256. I was found this git https://github.com/lhartikk/GenesisH0 and tryed to use this script, i also ...
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189 views

How to check that Genesis Block has valid proof of work using CheckProofOfWork() function?

I have been learning the ins and outs of the bitcoin source code over the past 3 months but I can say I have not fully mastered it yet. I wish to understand how the genesis block is validated using ...
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How to reduce Proof of Work in bitcoind?

I am trying to create a new genesis block. But it is taking too long to compute (still running). How do I reduce ProofOfWork needed ? Is it this line that I have to modify ? chainparams.cpp#L117 ...
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289 views

Making an altcoin (for fun, not to use), and after finding MerkleRoot and genesis block, I still get errors

I'm making a PoW/PoS hybrid coin for fun (nobody will actually use it). I already found the Merkle root and mined the genesis block and got the nonce and things like that. I inserted them into the ...
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1answer
245 views

Can I look for transaction in the genesis block?

I'm testing bitcoin and, as an experiment, I added a transaction after the coinbase to the genesis block. However, it appears that it can't be searched with the rpc commands. Why is that? I already ...
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Cannot find debug.log file for Merkle hash

I apologize if this is a stupid question, but I've spent ~2 weeks on this and I'm lost on this one. The coin compiles and when I enter the run command (./coind), the typical assertion error occurs. ...
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35 views

Is the connection problem between the Fork Litecoin wallets?

Recently, I decided to check how Litecoin wallets work on UBUNTU and found how to create the Fork Litecoin according to the Instructions. I have two computers, both have a VMware virtual machine ...
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2answers
130 views

What is the source of initial transactions of bitcoin?

Sorry, if I am wrong or silly! It is understood that: a) Satoshi Nakamoto sent the first transaction to developer Hal Finney on January 12, 2009, the genesis block contains 1,073 transactions and he ...
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1answer
639 views

Different hash while creating genesis block

I've created a genesis block following this instructions: https://bitcointalk.org/index.php?topic=181981.0 Using this data: ./genesis ...
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0answers
191 views

Are there any Bitcoin alt-coin creation tutorials above version 0.15.0?

There are many How to make an alt-coin tutorials out there, but all the ones I have seen are from 2015 or earlier (most are around 2013-2014). Bitcoin has changed dramatically since then, and I am ...
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1answer
168 views

Modify Coin Amount in Genesis Block Cryptonote

I am busy creating a CryptoNote based Altcoin for a client of mine to use in their pub. He'd like to have it fairly heavily premined. I'm aware that the easiest way to do this is to modify the ...
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1answer
135 views

Failed of genesis!

fruitd: chainparams.cpp:207: CMainParams::CMainParams(): Assertion `consensus.hashGenesisBlock == uint256S("0x000000004421dbf94542db9b40e4bc60da8ce6b793f00924cadf5677d364a6a1")' failed. Aborted used ...
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1answer
116 views

blockchain. How worked at the beginning?

I would know some things about the creation of a blockchain for cryptocurrency (I let assume for simplicity Bitcoins). I red online that miners verify the blockchain, and when they verify a block, ...