⚠️ For education purposes only. This is by no means a complete implementation and it is by no means secure!

Contents

• Contents
• Oreo Coin Blockchain
• Information
  • What is a Block ?
  • What is a Blockchain ?
• Usages
• To do

Oreo Coin Blockchain

A Blockchain ruby app to keep track of OreoCoin Cryptocurrency transactions ( or anY type of data you want ) this project is bassed on Creating a blockchain with Javascript tutorial, and I translated it to ruby to practice both languages.

Information

What is a Block ?

In simple words, block is an object that stores mainly three things

1. Data => Any data you want to store for example: a transaction
2. Its Hash => a digital fingerprint
3. Previous block's Hash=> previous block finger print

What is a Blockchain ?

• Easy : Blockchain is a system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system.
• Hard : A blockchain is a decentralized, distributed, and oftentimes public, digital ledger consisting of records called blocks that is used to record any type of data (the most famous appliction is cryptocurrency transactions)
• Video explanation

Usages

• Clone the repo git clone https://github.com/od-c0d3r/blockchain-ruby.git
• Run bundle install to install dependencies.
• Run ruby main.rb on project root

To do

• Blockchain class
  • Add auto id counter for adding block to the chain
  • Verify blockchain (to prevent tampering)
• Simple proof-of-work algorithm
• Generate wallet (private/public key)
• Sign transactions