Since blockchain allows traceability, security and transparency, its use cases can be explored in areas to improve supply chain management, expedite real-estate transactions and the transfer of deeds, or modernize voting technology. For instance, due to its best-known application as a cryptocurrency, blockchains could be used to provide safe, secure vouchers to help refugees purchase food. In this mini lesson, you will learn and understand the basic constituent elements that lead to the formation of a blockchain.

1. Blockchain 101
Your Quick Reference Blockchain Primer!
Formation of Blockchain

2. Mini Lesson 3
Formation of Blockchain: A Quick Glance

3. www.ionixxtech.com 3
Formation of blockchain and Forking
A blockchain may be formed by forking a software.
Forking refers to:
● Taking a copy of existing software and creating a new
version with some variations and additions
What is the advantage: Forking a software repository
allows one to freely experiment with changes without
affecting the original project

4. www.ionixxtech.com 4
Blockchain Formation
The very first block; has all the features of a typical block
except that it doesn’t have a link to the previous block’s hash
A unique ID that is created every time following the creation
of a block (i.e the whole block runs through a hashing
mechanism)
Previous block hash is added to the next block as a security
mechanism
1
2
3
Genesis Block
Hash Pointer
Hash
A hash that points to the hash of the previous block and has a
place in the current block; allows us to verify that the previous
block of data hasn’t been tampered with

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