Ethereum, DeFi & Web3
Learn about Ethereum, smart contracts, DeFi apps, Web3, and DAOs.
What You Will Learn
Understand how Ethereum works as a programmable blockchain
See how smart contracts execute automatically
Learn the basics of DeFi and tools like DEXs and lending pools
Understand lending risk, yields, and token mechanics
Explore Web3 ownership and wallet identity
Understand how DAOs vote and make choices
Learn about common DeFi hacks and security risks
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About This Course
This course teaches you about smart contracts and decentralized finance. We look at how automatic agreements power a new global economy without middle banks.
You will learn how Solidity contracts run on the network. We cover lending, token swaps, digital wallets, and common security hacks like oracle bugs.
Course Lessons
7 lessonsWhat Is Ethereum?
General-purpose world computer and Turing-complete design.
~8 min readSmart Contracts Explained
Nick Szabo's vision, Solidity, vending machine analogy, and immutability.
~8 min readWhat Is DeFi?
The five-layer stack, permissionless access, and composable money Legos.
~9 min readLending, Borrowing and Yield in DeFi
Over-collateralisation, liquidations, AMMs, and impermanent loss.
~9 min readWhat Is Web3?
Web1 vs Web2 vs Web3, wallet-as-identity, and ownership dynamics.
~8 min readDAOs - Decentralised Autonomous Organisations
On-chain proposals, voting systems, plutocracy risks, and limitations.
~8 min readThe Risks of DeFi and Smart Contracts
Reentrancy hacks, oracle manipulation, economic collapses, and security rules.
~10 min readHow to Trade Crypto
Course 06 · Crypto trading vs investing, spot vs derivatives, leverage, and trading plans.