January 2019
Intermediate to advanced
258 pages
7h 12m
English
Content preview from Blockchain for Business 2019
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The different aspects of a Bitcoin transaction
Here is an example of a block header, as viewed on blockexplorer.com:
As seen in the preceding screenshot, there is a long alphanumeric string just below the block number called the BlockHash, or just Hash. Alphanumeric means that it consists of both letters and numbers. This is a type of encoding data and is the output result of processing the block header data present there, through Bitcoin's cryptographic hash function. You may have heard the name of this function, SHA 256, where SHA stands for Secure Hash Algorithm.
You probably remember that we mentioned and explained briefly hash functions ...
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