Blockchain is a time-stamped decentralized series of fixed records that contains data of any size is controlled by a large network of computers that are scattered around the globe and not owned by a single organization. Every block is secured and connected with each other using hashing technology which protects it from being tampered by an unauthorized person.

1. Run the server:
   • $ python3 art.py
   • $ python3 art.py -p 5001
   • $ python3 art.py --port 5002

1. Run UnitTests
   • $ python3 -m unittest tests/test_blockchain.py

• /transactions/new - to create a new transaction to a block
• /mine - to tell our server to mine a new block.
• /chain - to return the full Blockchain.
• /nodes/register - to register a new node.