Blockchain & Web3

Decentralized applications, smart contracts, and cryptocurrency development.

About this Exam

Blockchain is a distributed ledger technology powering cryptocurrencies like Bitcoin and Ethereum. Web3 refers to the next evolution of the internet built on blockchain.

Subjects & Topics Covered

• Blockchain Fundamentals
• Ethereum & Solidity
• Smart Contracts
• DeFi (Decentralized Finance)
• NFTs (Non-Fungible Tokens)
• Web3.js / Ethers.js
• IPFS & Decentralized Storage

Preparation Tips

• CryptoZombies (free interactive Solidity course)
• Consensys Academy developer programs
• Build a simple smart contract on Remix IDE
• Understand gas fees and Ethereum Virtual Machine
• Read Ethereum whitepaper and Bitcoin whitepaper