Welcome to Solidity Tutorial of our Blockchain Mastery Series 2025!
In this video, we’ll learn Solidity Functions in detail — covering every type like Pure, View, Internal, and External — all explained step-by-step in Remix IDE with real examples.

You will learn:
What are Functions in Solidity
Difference between Pure & View functions
Internal vs External functions explained with examples
State-changing & parameterized functions in action
Line-by-line explanation of every function type
How to write, compile, and deploy smart contracts on Remix IDE

What You’ll Build:
A practical FunctionDemo smart contract that covers 9+ types of Solidity functions in one place!

Why This Tutorial Matters in 2025:
– Essential for every Solidity & Web3 Developer
– Core concept for building Smart Contracts & DApps
– Learn real-world blockchain development techniques
– Understand how blockchain reads, writes & executes functions

This is Phase 2 of our Complete Blockchain → Solidity → Web3 Roadmap only on The Techzeen.
Don’t just learn — build the future with Solidity & Blockchain!

Subscribe to The Techzeen and join the journey to become a Blockchain Developer in 2025!

Source Code:
https://github.com/farzeen-ali/Blockchain-Solidity

Blockchain Lectures (GitHub Notes):
https://github.com/farzeen-ali/Blockchain-Lectures

Blockchain Full Course 2025 (Playlist):
https://www.youtube.com/playlist?list=PL5OhSdfH4uDvKfoYd1GRf5KCu7kvgYSw_

Cyber Security Full Course 2025:
https://www.youtube.com/playlist?list=PL5OhSdfH4uDuCcQ-NZ4lYa3S07FQTFtrY

DevOps Tutorial 2025:
https://www.youtube.com/playlist?list=PL5OhSdfH4uDsyUM02ZHl2mOYBpihCYsml

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