Blockchain Security Essentials

Course details

A Fundamental Series of Blockchain Security by Md. Najib Islam in Bengali Language

Blockchain Fundamentals & Pre-advance:

0) Welcome - Welcome & Course Overview

1) Introduction to Blockchain - Chapter Overview - Introduction to Blockchain - Growth of Internet - Problem with traditional concept and banks - Types of Blockchain - When we required Blockchain(Decision chart) - Use cases

2) Bitcoin Blockchain - Blockchain vs Bitcoin (Cryptocurrency) - History of Bitcoin - Pseudonymity in Bitcoin - Mining & Miners - Tokenization

3) Blockchain Mechanism - Chapter Overview - Blockchain and It's Importance - Blockchain Actors - Blockchain features - Centralized, Decentralized, Distributed - Transaction - Cryptography - Hashing - Block Structure & Block Header - Distributed Ledger - Chaining - Peer to Peer - Trust - Transparency - Immutability - Merkle tree

4) Consensus Mechanism - Proof of Work (PoW) - Proof of Stake (PoS) - Proof of History (PoH) - Proof of Elapsed Time (PoET) - Proof of Authority (PoA) - Practical Byzantine Fault Tolerance (PBFT) - Zero-Knowledge Proof (ZKP) - Why need Consensus Algorithms

5) Blockchain Security - Blockchain Security - Blockchain Security vs Standard Cybersecurity - Blockchain Security Environment - Denial of Service (DoS) - Code Vulnerability - Security in Public Blockchain vs Private Blockchain

6) Blockchain Use cases - Identity Management - Land Registry - Tax - Decentralized Finance (DeFi) - HealthCare - Voting System

7) Ethereum - Introduction - Concepts - Gas fee - Ethereum Virtual Machine (EVM) - Ether Mining - Career in Web3.0 - Became a Solidity Developer

8) Hyperledger - Introduction - Hyperledger and its importance - Hyperledger goals - Hyperledger Projects - Hyperledger Fabric - Hyperledger Sawtooth

9) Projects - Hello World Program - Campaign System - Tic-Tac-Toe (Hyperledger Sawtooth)

10) FAQs - Crypto-currency - Yours questions - Blockchain Guide Line - Which Blockchain Should I Learn - Before ending the course

Practice Session Questions:

1) What is Blockchain?

2) Blockchain er Future kamon?

3) Blockchain Development e Future kamon?

4) ?

5) Cryptocurrency

6) Beginer der jonno naki vai?

7) ?

8) What is the difference between Bitcoin blockchain and Ethereum blockchain?

9) Where is a blockchain stored?

10) How does Blockchain differ from relational databases?

11) Name some popular platforms for developing blockchain applications.

12) What do you mean by blocks in the blockchain technology?

13) Every block of Blockchain consist of what elements?

14) Can you modify data in a block of Blockchain?

15) Can you modify state in a block of Blockchain?

16) What type of records can be kept in the Blockchain? Is there any restriction on the same?

17) What are the benefits of blockchain?

18) Why is Blockchain a trusted approach?

19) What are the limitations of blockchain?

20) What is a 51% attack?

21) How can you identify a block?

22) What is a Genesis Block?

23) Where do nodes run a smart contract code?

24) When was blockchain first created?

25) How does blockchain support bitcoin?

26) What does a decentralized blockchain mean? Does the decentralized nature of the blockchain make it more secure?

27) What are the major elements of the blockchain ecosystem?

28) What Is Ethereum (ETH)?

29) Is it possible to modify the data once it is written in a block?