January 2019
Beginner to intermediate
372 pages
11h 17m
English
Content preview from Foundations of Blockchain
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What blockchain is
Although blockchain has a variety of definitions, a blockchain can best be described as a data structure of blocks that are chained together to form a collection of records, called a ledger, with cryptography being a key ingredient in the process. A blockchain doesn't have a storage mechanism; instead, it has a set of protocols that govern the way in which information is forged. So, a blockchain can be stored in flat files or in a database.
Blockchain technology gained popularity due to the fact that its integrity can't easily be compromised. A compromised blockchain can be recognized for what it is, and rejected quite easily by anyone in a network. This integrity is achieved by cryptography, which is what binds the blocks ...
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