This step explains one of the most important base technologies of the blockchain: hash values. It discusses important properties of cryptographic hash functions and introduces patterns of applying hash functions to data.
The Metaphor
Fingerprints are impressions of the friction ridges of all or any part of the fingers of the human hand. They are considered to be able to identify humans uniquely. They have been used to investigate crimes, identify offenders, and to exonerate the innocent. This step introduces a concept for identifying data, which can be ...
