What is a Blockchain? Advantages and Disadvantage of a Blockchain, Use Cases and Types of Blockchain

Introduction to Blockchain
Advantages and Disadvantages of a Blockchain
Use Cases of Blockchain
Types of Blockchains
Public Blockchain:
Permissionless: Anyone can join the network, read the ledger, and participate in consensus.
Examples: Bitcoin, Ethereum.
Use Case: Cryptocurrencies, decentralized applications (dApps).
Private Blockchain:
Permissioned: Access is restricted to a selected group of participants.
Examples: Hyperledger Fabric, Corda.
Use Case: Supply chain management, enterprise use cases.
Hybrid Blockchain:
Combines elements of both public and private blockchains.