Learn how decentralized finance(DeFi) works from liquidity pools and AMMs to staking, yield farming, and restaking protocols.
AMMs & DEXs: Uniswap & Curve Explained Constant-product markets, concentrated liquidity, stable-swap curves, slippage, fees, and MEV. everything you need to trade or provide liquidity with confidence. TL;DR: AMMs price assets via math, not order books. Uniswap uses constant-product (x·y=k) and now concentrated liquidity; Curve optimizes for stable pairs with a low-slippage “stable-swap” curve. Mind […]
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Lending & Borrowing in DeFi (Aave, Compound) How supply/borrow markets work, APYs, collateral, liquidations, and the risks to understand before you click “deposit”. TL;DR: You supply assets to earn variable APY and receive receipt tokens (aTokens on Aave, cTokens on Compound). You can borrow against posted collateral within limits. If your health factor drops (price
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Auditing & Testing: From Unit Tests to Fuzzing & Invariants Ship with confidence: rigorous tests, automated checks, and structured reviews before mainnet. TL;DR: Use Foundry or Hardhat for unit/integration tests, add fuzzing/invariant tests, run static analysis (Slither), measure coverage, and follow an audit checklist with clear threat models. In this lesson Tooling Stack Foundry Example
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Real-World DApps: Patterns, Flows & Integration From token swaps to crowdfunding: on-chain contracts + front-end + wallet + indexers. TL;DR: A DApp = Smart contract + Front-end + Wallet + RPC/Indexers. Learn common flows you can implement and test end-to-end. In this lesson DApp Architecture DEX Swap (Uniswap-style) NFT Mint Crowdfunding (escrowed) Multisig & Wallet
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Staking & Restaking: Risks and Rewards Intermediate DeFi • ~11 min read • Updated: 08/08/2025 TL;DR: In Proof-of-Stake (PoS), validators lock capital to secure the network and earn rewards. You can participate directly (solo), delegate to professionals, or use liquid staking to get a tradable receipt (an LST). Know the tradeoffs: slashing (penalties for misbehavior),
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Liquidity Pools, AMMs & Impermanent Loss Beginner DeFi • ~10 min read • Updated: 08/08/2025 TL;DR: AMMs replace order books with liquidity pools. Prices come from math, often the constant-product rule x·y = k. LPs earn swap fees but face impermanent loss (IL) when token prices diverge. You can reduce IL with stable pairs, dynamic-fee
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