Blockchain Example 1. Blockcahin folder contains simple setup of blockchain with proof of work concept and other simple functionalities like a) Creating a block b) Mining a block c) Checking a full chain 2. Cryptocurrency folder contains simple setup of cryptocurrency script for 3 nodes and other simple functionalities like a) Creating a block b) Mining a block c) Checking a full chain d) Connection different nodes e) Updating chain with a new blocks added at other nodes