Questions tagged [genesis-block]
Refers to the very first block of a new blockchain based cryptocurrency.
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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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1answer
83 views
Genesis block coinbase transaction without confirmations
Why the coinbase transaction, comming from the genesis block, don't have confirmations?
All the others coinbase transactions have confirmations, but not in the Genesis block.
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What in detail makes the Coinbase in the Genesis Block unspendable? [duplicate]
I was aware that the Genesis block's reward was unspendable, and that there was no UTXO for it in the UTXO Set. I thought that this was due to the Genesis block being hardcoded and the actual ...
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1answer
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Why explorers show difference balance for genesis block?
When I check balance for the address 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa - different sources show different results.
66.92700504 BTC
https://bitref.com/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa
https://www....
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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
133 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
822 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 ...
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1answer
632 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
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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 ...
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2answers
321 views
How do I solo mine my own modified altcoin
I forked DASH a week ago. I am able to generate genesis block hash, merkle hash. I created one VM (ubuntu 16.04) for rpc server. Another one VM For mining. I am able to establish connetion between two ...
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1answer
138 views
Failed of genesis!
fruitd: chainparams.cpp:207: CMainParams::CMainParams(): Assertion `consensus.hashGenesisBlock == uint256S("0x000000004421dbf94542db9b40e4bc60da8ce6b793f00924cadf5677d364a6a1")' failed.
Aborted
used ...
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1answer
547 views
How is PSZ Timestamp encoded in Bitcoin core code?
In Chainparams.cpp of the Bitcoin Core source, the encoded PSZTimestamp is as follows
...
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2answers
143 views
Is the transaction within Genesis block spendable? [duplicate]
Are the transactions added to the genesis block spendable, just like any other transactions from other blocks, or is that an unspendable coinbase transaction.
In other words..
Is the transaction ...
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1answer
154 views
Is it possible to append new blocks to a block of arbitrary age?
First of all, I'm aware of 51% attacks and how they work.
Though, I was wondering, if Bitcoin and other blockchains allow appending cryptographically valid, new blocks to blocks of arbitrary age (if ...
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2answers
794 views
hash dosent match nbits
Im trying to clone a coin and I created a genesis block but when I run the wallet, it dosent start.. When I go to the log file, I see this error and I honestly dont know how to solve the problem. How ...
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3answers
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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 ...
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1answer
358 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....
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2answers
78 views
How are newly created bitcoins are validated?
I'm trying to understand how Bitcoin works but there's a concept I can't get my head around.
I understand that transactions are validated by checking the signatures of each input is valid. However ...
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2answers
294 views
What is Bitcoin's “genesis hash”?
From Lightning Network documentation:
Used in several of the BOLT documents to denote the genesis hash of a target
blockchain. This allows nodes to create and reference channels on
several ...
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1answer
160 views
Restart altcoin blockchain
So, I'm setting up an altcoin for educational purposes and I've essentially forked Litecoin.
It's got a 10% premine on it but this wasn't showing up in my wallet so I deleted the $HOME/.mycoin/ ...
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1answer
650 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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1answer
1k views
How to correctly set attributes for block hash and nBits in PIVX Fork?
I've cloned PIVX(basically a DASH fork) and modified basic parameters. It compiles fine. When I'm trying to run it the server starts and the debug log file shows following errors:
ERROR: ...
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0answers
71 views
Why for creating a new test coin is suggested to use Litecoin code? [closed]
I think I'd prefer to use Bitcoin code. Is there a reason that LiteCoin is preferred?
As far as I know, for creating a different coin from BTC source I need to create a genesis block and remove the ...
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1answer
613 views
Altcoin Genesis block fails after changing block reward
I have been struggling with this issue for a week. I have created an altcoin forking litecoin code, i have mined genesis block, the compiled code works fine with 50*COIN genesis block reward.
When i ...
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1answer
545 views
Block Hash and Nonce generated by GenesisH0 python script is incorrect
After running GenesisH0 python script to generate the Genesis block for a local testnet (using v0.15.1), I got the following results.
merkle hash: ...
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1answer
115 views
No .altcoin directory being generated
I am trying to create a genesis block for a personal play coin. I get the correct output of assertion failed. However when compiling I noticed the ./altcoin folder is not created at all.
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0answers
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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2answers
292 views
Determining the genesis transaction value or genesis_tx
Is there a way to determine the genesis transaction (genesis_tx) hash? I know the genesis block number but how do you determine genesis_tx? I am looking for this hash for an altcoin which was forked ...
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4answers
853 views
Why do we need a genesis block?
In bitcoin, a blockchain always starts at the unique genesis block. Beyond that point there can be forks, and only when it is clear which branch will grow fastest (or if it has grown enough), we can ...
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1answer
1k views
How to create a new genesis block using CreateGenesisBlock() function
I'm trying to create a new genesis block, you know for science.
I saw a lot of write ups online but most of them seem kinda outdated.
I found the function CreateGenesisBlock() in the source code.
...
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1answer
168 views
What are all the small transactions in Satoshi's address?
I read that Satoshi never moved or spent his coins, so I expected to see his address stay unchanged since mined. But it looks like there are lots of small transactions: e.g. in the first address there ...
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2answers
432 views
How to mine your own Bitcoin fork?
I have my own Bitcoin fork. I have the src and I have the Linux, Mac and Windows clients. The Windows client is using Bitcoin Core for the wallet.
How do I go about mining the fork I created? I have ...
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1answer
461 views
Why cant my Altcoin Regnet create first 100 blocks?
I have modified bitcoin source code for my altcoin. I have successfully created genesis block, merkel root, noonce and daemon is working well. I have tweaked number of coins per day, total coins etc.. ...
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1answer
564 views
Bitcoin hash calculation [duplicate]
Best regards
I have been doing a lot of research about bitcoin and blockchain. A lot of informacion across the Internet can be found where many people explains the basics of bitcoin an it´s ...
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1answer
4k views
How to Create New Genesis Block?
I am trying to create a new crypto currency and i am struggling with creating genesis block with the bitcoin code. I am following this tutorial https://bitcointalk.org/index.php?topic=225690.0 and i ...
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1answer
301 views
How is the Bitcoin Mined in Genesis Block Brought into Transaction?
I'm studying the source code Bitcoin, and have no clue to this question.
It looks like the genesis block is mined "out-of-band" (given a timestamp, and a message with no transaction information) and ...
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2answers
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Were one or more machines required to be running 24/7 on the network after the first block was mined?
After mining the genesis block, did Satochi have to leave his computer running to mine the subsequente empty blocks?
Was he running the whole network on a single node or did he require multiple ...
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0answers
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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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3answers
643 views
How to read the transaction of a block?
Given this example block (it's the genesis block by the way):
...
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1answer
1k views
Altcoin (Litecoin fork) creation. No synchronisation
i m trying to create an altcoin from the current Litecoin master branch on github. Its Litecoin in the version of 0.15.1.
By editing some parameter in chainparams.cpp i m able to create my genesis ...
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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, ...
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1answer
65 views
are there Happy Hours?
after Genesis of Bitcoin, ie creating block#0, every wallet owner has an empty wallet, by the way there is nothing to mine. So how the block chain process can be initiated?
Are there Happy Hours and ...
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1answer
221 views
how to transfer genesis block reward for blackcoin?
So my genesis block has a reward setup but I want to send it to my wallet. can you please tell me how? I am using black coin
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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
822 views
Why can't the genesis block be found I create an altcoin?
I have built the bitcoin source code with a new pszTimestamp, hashGenesisBlock and hashMerkleRoot
The code builds fine and does not run into any assert problems when validating these hashes on [line ...
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1answer
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why did assert fail when creating my own genesis block?
I am trying to create my own genesis block using the bitcoin source code but my new hashes are not being accepted by the assert statements.
Step 1:
I have changed the pszTimestamp variable in ...
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1answer
3k views
Where is debug.log file in Bitcoin source code?
I am running 64bit Ubuntu 17.04, I am following this tutorial for creating a new altcoin. I am up to section 7, here to be exact:
The first time you run the compiled code (daemon or qt), it will say "...
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1answer
418 views
Why does the Genesis block coinbase input script push bits and the value 0x04 before the famous “Chancellor” message?
According to the Wiki, the input script of the Genesis block consists of these bytes:
...
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1answer
273 views
Can malicious peer hack freshly installed bitcoin-core node
I'm considering two scenarios of hacking freshly installed bitcoin core node.
Does freshly installed bitcoin-core node have genesis block included in the installation?
This fresh node contacts some ...
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1answer
175 views
How do I make my own Hyperstake coin [closed]
So ive forked the code but seems to be connected to the old coin stuff.
What I am looking to do is fork their code and create my own coin! I know that I need to make a node but I can't find any ...
