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Introduction to Blockchain

Abstract

Blockchain is a technology invented with the birth of Bitcoin, the first crypto currency. For decades people have thought of a way to design a digital currency, but to no avail. An obvious necessity of a currency is not to have duplicates: when I give you a dollar, I don’t have it anymore. Digital data does not follow this. If I send you a picture on whatsapp, we both have it, unless I delete it. This is where the blockchain comes in.

What is in for me?

  1. What is the Blockchain?
  2. How does the Blockchain work?
  3. PoW vs. PoS

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