Foundations of Yield Farming and Staking in DeFi

Annual percentage yields in the hundreds or thousands of percent are eye-catching. They are also, in most cases, temporary, risky, and poorly understood by participants who are attracted primarily by the numbers. Impermanent loss can silently erode gains faster than yield accumulates. Smart contract exploits can drain entire liquidity pools in minutes. Token inflation that drives advertised APY can equally rapidly destroy the value of the rewards being earned. This course builds the understanding required to evaluate DeFi yield opportunities critically rather than reactively. By the end of this course you will be able to explain how automated market makers generate trading fees and why liquidity providers receive a share of them, describe what impermanent loss is, when it occurs, and how to estimate its magnitude relative to fee income, understand the difference between staking, yield farming, and liquidity mining as distinct mechanisms with different risk profiles, evaluate an advertised APY by identifying the sources of the yield and their sustainability, and identify the main categories of risk in DeFi yield strategies. What you will learn: - Automated market makers: how constant-product pools work, what sets the exchange rate, and why arbitrageurs keep prices in line - Liquidity provision mechanics: what LP tokens represent, how fee income accrues, and how it is claimed - Impermanent loss explained: the mathematical relationship between price divergence and value loss vs. simply holding - Yield farming vs. staking: different mechanisms, different risk profiles, and different sustainability characteristics - Liquidity mining incentives: why protocols emit tokens as rewards, how this affects APY over time, and what happens when emissions end - APY decomposition: separating fee yield, token reward yield, and compounding effects — and why each component requires separate evaluation - Smart contract risk: common exploit types, the role of audits, and why audit status is necessary but not sufficient - DeFi protocol categories: lending protocols, DEXes, yield aggregators, and their respective risk and return characteristics The course is structured as conceptual readings that build a progressively complete picture of DeFi yield mechanics. Worked numerical examples illustrate impermanent loss calculations and APY decomposition. Self-assessment exercises close each module. This course is designed for individuals new to DeFi who want to understand yield-generating mechanisms rigorously before committing capital. No prior background in DeFi or finance is required. This course is informational and educational and does not constitute financial or investment advice. DeFi protocols carry significant risks including smart contract exploits, liquidity crises, and total loss of deposited assets.