interview

home / developersection / interviews / what is web 3.0?

Ask Question
Anubhav Kumar

Student

The Anubhav portal was launched in March 2015 at the behest of the Hon'ble Prime Minister for retiring government officials to leave a record of their experiences while in Govt service .

Message
Can you answer this question?
Answer

1 Answers

Anubhav Kumar

Anubhav Kumar

11-Jan-2026

Web 3.0 (Web3) is the next evolution of the internet focused on decentralization, user ownership, and trustless systems, built mainly on blockchain technology.

It shifts control from centralized companies → to users.

Evolution of the Web

Web 1.0 – Read

  • Static web pages
  • One-way content consumption
  • Example: personal websites, early news pages

Web 2.0 – Read & Write

  • Interactive, social, dynamic
  • User-generated content
  • Controlled by centralized platforms
  • Examples: Google, Facebook, YouTube, X

Web 3.0 – Read, Write & Own

  • Decentralized applications (damp's)
  • Users own data & digital assets
  • No central authority
  • Powered by blockchain & smart contracts

Core Principles of Web 3.0

1. Decentralization

  • No single company controls the system
  • Data stored across distributed nodes

2. Trustless Systems

  • No need to trust intermediaries
  • Smart contracts enforce rules automatically

3. Ownership

Users own:

  • Crypto assets
  • NFTs
  • Identity
  • Data

4. Permissionless

  • Anyone can participate without approval

Key Technologies Behind Web 3.0

Technology Purpose
Blockchain Distributed ledger
Smart Contracts Self-executing logic
Cryptography Security & identity
Wallets User authentication
Tokens Incentives & governance
IPFS Decentralized storage

Web 3.0 Architecture (Simplified)

Frontend (React / Angular)
        ↓
Wallet (MetaMask)
        ↓
Smart Contract (Ethereum / Solana)
        ↓
Blockchain Network

Common Web 3.0 Use Cases

  • DeFi – Decentralized finance (lending, trading)
  • NFTs – Digital ownership
  • DAO – Decentralized governance
  • Decentralized Identity
  • Gaming (Play-to-Earn)

Web 2.0 vs Web 3.0

Feature Web 2.0 Web 3.0
Control Companies Users
Data ownership Platform User
Authentication Username/password Wallet
Payments Banks Crypto
Trust Central authority Code

Advantages / Pros

  • User data ownership
  • Transparency
  • Censorship resistance
  • Global access

Challenges / Cons

  • Scalability issues
  • High transaction fees
  • UX complexity
  • Security risks (smart contract bugs)
  • Regulatory uncertainty

Important Clarification

Web 3.0 ≠ Semantic Web

  • Semantic Web (older Web 3.0 concept by Tim Berners-Lee) focused on machine-readable data
  • Modern Web3 focuses on decentralization & blockchain

One-Line Interview Answer

Web 3.0 is a decentralized internet where users own their data and digital assets, powered by blockchain and smart contracts.

 

MindStick Training
MindStick Training

Liked By

We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy