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Blockchain Programming in iOS
UPDATE: I am proud to announce that my new course “Blockchain Programming in iOS Using Swift” is now available. Enroll now for only $10.99.
Blockchain is the technology behind popular cryptocurrencies including Bitcoin. The main concept behind Blockchain is to provide a distributed ledger which is not controlled by one central party. In this post I will show you how you can use iOS/MacOS to create a very basic Blockchain in Swift language.
NOTE: This post does not cover nodes/peers, validation, rewards etc.
The quickest and the easiest way to to get started is by using Swift Playgrounds. For this particular demo, I used macOS Playgrounds since it has some useful functions for generate SHA hash.
Implementing the Block Class
The first step is to implement the Block class which will represent a single block in a .. blockchain. The implementation is shown below:
The details of the Block class is shown below:
- index — The position of block in the blockchain. Index of…
