Blockchain

Blockchain

How blockchains work, consensus mechanisms, smart contracts, Ethereum, Solidity basics, Web3, NFTs, DeFi patterns, and building decentralised applications.

FundamentalsTopics 1–10
  • ·What Is Blockchain?
  • ·Cryptographic Hashing
  • ·Digital Signatures
  • ·Distributed Ledger
  • ·Consensus Mechanisms
  • ·Bitcoin & Proof of Work
  • ·Ethereum & Smart Contracts
  • ·The EVM
  • ·Gas & Transaction Fees
  • ·Wallets & Keys
Start Fundamentals →
IntermediateTopics 11–20
  • ·DeFi Fundamentals
  • ·Tokens & Standards
  • ·Solidity Patterns
  • ·Smart Contract Security
  • ·Layer 2 & Scaling
  • ·NFTs & Ownership
  • ·DAOs
  • ·Cross-chain Bridges
  • ·Oracles
  • ·The Web3 Stack
Start Intermediate →
AdvancedTopics 21–30
  • ·MEV & Frontrunning
  • ·Zero-Knowledge Proofs
  • ·Rollup Architecture Deep Dive
  • ·Proof of Stake Internals
  • ·Account Abstraction (ERC-4337)
  • ·Storage & Data Availability
  • ·On-chain Identity & Attestations
  • ·Advanced Solidity Patterns
  • ·Contract Upgradeability
  • ·Formal Verification
Start Advanced →
ProductionTopics 31–38
  • ·Smart Contract Testing
  • ·Deployment & Verification
  • ·Monitoring & Incident Response
  • ·Gas Optimisation
  • ·Private & Enterprise Chains
  • ·Legal & Regulatory
  • ·Building a Production dApp
  • ·The Future of Blockchain
Start Production →