January 2019
Beginner to intermediate
372 pages
11h 17m
English
Content preview from Foundations of Blockchain
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Blockchain
The blockchain in Bitcoin is a collection of an ordered lists of blocks that connects the previous block with the hash pointer. Bitcoin uses Google's LevelDB database to store the blockchain metadata. The identity of each block is created by using the SHA256 hash value of the block header, and this block hash is stored in the block header of the next block in the blockchain in order to form a link.
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