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Codynn

A Product of VOID NEPAL © Codynn 2026

Blockchain Fundamentals

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Get Started!
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Course Details

Language

NONE

Category

block chain

Certificate

Yes

Requirements

  • No prior knowledge of blockchain or cryptocurrency is required.
  • Basic computer and internet usage skills.
  • A computer or laptop with a reliable internet connection is recommended.
  • An interest in technology, digital finance, or software development.
  • For practical smart contract exercises, access to a web browser and an online Solidity development environment is recommended.
  • A crypto wallet is optional and should only be set up for learning purposes using small amounts or test networks.

Author

Codynn
CodynnCodynn

Content

Reviews

01

Introduction to Blockchain

4 Chapters - 0/4 Completed

What is Blockchain? – Understanding decentralized technology.

History & Evolution – From Bitcoin to modern blockchains.

How Blockchain Works – Blocks, chains, and distributed ledgers.

Key Features – Immutability, decentralization, transparency, security.

02

Blockchain Architecture & Components

5 Chapters - 0/5 Completed

Blocks & Transactions – Structure of a blockchain block.

Nodes & Networks – Full nodes, miners, and validators.

Consensus Mechanisms – PoW, PoS, and alternative methods.

Smart Contracts – Basics and how they execute on blockchains.

MCQ

03

Cryptography & Security

5 Chapters - 0/5 Completed

Introduction to Cryptography – Hashing, encryption, and digital signatures.

Public & Private Keys – How wallets and transactions are secured.

51% Attack & Other Risks – Understanding vulnerabilities.

Security Best Practices – Protecting wallets and avoiding scams.

MCQ

04

Blockchain Applications & Use Cases

5 Chapters - 0/5 Completed

Cryptocurrencies – Bitcoin, Ethereum, and altcoins.

DeFi (Decentralized Finance) – Lending, staking, and yield farming.

Supply Chain & Enterprise Solutions – Real-world applications.

NFTs & Web3 – Digital ownership and the next internet revolution.

MCQ

05

Getting Started with Blockchain

5 Chapters - 0/5 Completed

Setting Up a Crypto Wallet – Types of wallets and how to use them.

Making Transactions – Sending, receiving, and tracking crypto.

Exploring Blockchain Explorers – Checking transactions on-chain.

Hands-on with Smart Contracts – Writing a basic Solidity contract.

MCQ

06

Future of Blockchain & Career Paths

5 Chapters - 0/5 Completed

Emerging Trends – Layer 2 solutions, cross-chain tech, AI & blockchain.

Challenges & Regulations – Scalability, energy consumption, legal concerns.

Blockchain Careers – Developers, analysts, auditors, consultants.

Next Steps – Learning paths and resources for deeper understanding.

MCQ

Frequently Asked Questions

What is blockchain technology?

Blockchain is a type of distributed digital ledger that records transactions across a network. Its design can make records difficult to alter without detection and can reduce reliance on a single central authority.

Is this course suitable for beginners?

Yes. The course starts with the fundamentals and gradually introduces blockchain architecture, cryptography, applications, and basic smart contract development.

Do I need programming experience to take this course?

No programming experience is required to learn the introductory modules. Basic programming knowledge may help when working with Solidity smart contracts.

Do I need to buy cryptocurrency?

No. Purchasing cryptocurrency is not required. You can learn the concepts and explore blockchain transactions without investing money, and use test networks for practical exercises.