Cryptocurrency Q&A
What is a block hash in Bitcoin?
What is a block hash in Bitcoin?
EthereumLegendGuard
Sat Jul 13 2024
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7 answers
1397
Could you please elaborate on what a block hash is in the context of Bitcoin? Specifically, I'm curious about how it's generated, its significance in the blockchain, and how it ensures the integrity of the ledger. I understand that hashes are used in cryptography, but how does this concept translate to the specific use case of Bitcoin? Additionally, is the block hash unique for every block in the chain, and if so, what are the implications of this uniqueness? I'm eager to gain a deeper understanding of this fundamental aspect of Bitcoin's blockchain technology.
7 answers
Alessandra
Mon Jul 15 2024
This reversal is the primary hashing method in Bitcoin, which is designed for specific security and efficiency purposes.
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DondaejiDelight
Mon Jul 15 2024
The hashing technique is often referred to as "double-SHA256" or "SHA-256d" due to its utilization of the SHA-256 algorithm twice.
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CryptoChieftainGuard
Mon Jul 15 2024
The reason behind the reverse byte order of block hashes and transaction hashes in Bitcoin lies in the hashing method employed.
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TeaCeremony
Mon Jul 15 2024
However, in coding terminology, it is more commonly abbreviated as "hash256" for brevity.
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Martina
Mon Jul 15 2024
When searching for these hashes using bitcoin-cli or blockchain explorers, it becomes evident that they are in reverse order.
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