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Understanding versions of Bitcoin Block header
As a beginner in a cryptocurrency, it is necessary to understand the internal functioning of the bitcoins and its blockchain architecture. In this article, we dive into the concept of the block header versions and examine what miners can adapt to when they extinguish them.
What is the block header?
The block header is the first 4-6 bytes of data that precede each block in the Bitcoin blockchaine. It contains information on the content of the block, such as the previous hash (i.e., the parent block), the block number and the unique identifier for the block.
version of bit chains
The versions numbers are usually represented by 8-bit binary chains, which can have values from 0 to 255. However, when miners update the block header, they often turn the version number into a random bit chain (in this case a single byte). Initially, this may seem unusual, but in fact it is a handy mechanism used to optimize and scalability.
Reason for a version of bit chains
Bitcoine is expected to have a valid hash in every 4-bech header. When the miner updates the head of the block, they create a new block by hashing its current block. The resulting hash value should coincide with the expected hash of the previous block in blockchain. However, if the version number changes, this may lead to conflicts and inconsistent hash.
Call Miner
By changing the version number, miners try to avoid these conflicts and ensure that each block is properly hash. They do this by setting a bit chain at the end of the 4-Bajt head (the last byte). This modification has a significant impact on the overall value of the hash block, which in turn affects the validity of the block.
Example of using a case
Let’s take an example to illustrate how miners can adjust the block header. Suppose we have a miner with the following block head:
Original block header:
Version: 0x12345678
Previous hash: 0x90123456
New Block Header (with modified version):
Version: 0x87654321
In this case, Baník successfully updated the block head of the last byte from « 1234 » to « 7654 ». This change affects the total value of the hash block and ensures its validity.
Conclusion
Understanding how miners adjust the heads of the blocks is essential to understand the architecture of blockchain bitcoins. Version chains are a handy mechanism that is used to optimize and scale the network, thus ensuring the correct hashshing of each block. By adjusting these versions, miners can avoid conflicts and maintain the integrity of the blockchain.