StageDayCore ThemeJava/Backend AnalogyKey SkillsFoundationDay 1Env Setup & CompilationMaven/Gradle Init + javacNode.js Env, Hardhat Config, Dependency Mgmt, ESM vs CommonJSSecurityDay 2TDD (Test Driven Dev)JUnit + MockitoMocha/Chai Assertions, Ethers.js, Negative Testing (Revert), Boundary ChecksArchitectureDay 3Contract Upgrades (Proxy)Hot Swap / Interface vs ImplUUPS Proxy Pattern, Storage Layout, delegatecall, Persistent Local DeploymentInteractionDay 4Scripts & Automationpublic static voi...

StageDayCore ThemeJava/Backend AnalogyKey SkillsFoundationDay 1Env Setup & CompilationMaven/Gradle Init + javacNode.js Env, Hardhat Config, Dependency Mgmt, ESM vs CommonJSSecurityDay 2TDD (Test Driven Dev)JUnit + MockitoMocha/Chai Assertions, Ethers.js, Negative Testing (Revert), Boundary ChecksArchitectureDay 3Contract Upgrades (Proxy)Hot Swap / Interface vs ImplUUPS Proxy Pattern, Storage Layout, delegatecall, Persistent Local DeploymentInteractionDay 4Scripts & Automationpublic static voi...

1. The Essence of FinanceThe core functions of finance can be summarized as:Resource Allocation Across TimeAllowing individuals to smooth consumption across different life stages. Example: Saving while young → Spending after retirement.Allowing enterprises to borrow money today for investment and return value to society in the future.Resource Allocation Across States"State" refers to uncertain future scenarios, such as:Economic Boom vs. RecessionWar vs. PeaceHouse Fire vs. SafetyFinancial ins...

1. The Essence of FinanceThe core functions of finance can be summarized as:Resource Allocation Across TimeAllowing individuals to smooth consumption across different life stages. Example: Saving while young → Spending after retirement.Allowing enterprises to borrow money today for investment and return value to society in the future.Resource Allocation Across States"State" refers to uncertain future scenarios, such as:Economic Boom vs. RecessionWar vs. PeaceHouse Fire vs. SafetyFinancial ins...

Chapter 1: Smart Contract Development (The Backend)1. Concept: What is this?We are going to build a smart contract compliant with the ERC-721 standard. You can conceptualize this as an on-chain "Card Dispenser." Every card (NFT) possesses a unique Token ID and belongs to a specific wallet address.2. Purpose: Why do it this way?Standardization: Adhering to the ERC-721 standard is mandatory for your NFT to be recognized and displayed on platforms like OpenSea and MetaMask.Decentralized Storage:...

Chapter 1: Smart Contract Development (The Backend)1. Concept: What is this?We are going to build a smart contract compliant with the ERC-721 standard. You can conceptualize this as an on-chain "Card Dispenser." Every card (NFT) possesses a unique Token ID and belongs to a specific wallet address.2. Purpose: Why do it this way?Standardization: Adhering to the ERC-721 standard is mandatory for your NFT to be recognized and displayed on platforms like OpenSea and MetaMask.Decentralized Storage:...

Goals: To journey from "Centralized Order Book Exchanges" all the way to "AMM + Curve Stablecoin Pools," and understand: 👉 Why do we need AMMs? 👉 Who are LPs? 👉 Where does Slippage come from? 👉 Why does Impermanent Loss exist? 👉 Why does Curve have low slippage and low impermanent loss? 👉 Why don't all AMMs use a "low slippage curve"?From CEX to DEX: Why Automated Market Makers (AMM)?1.1 Centralized Exchanges (CEX) Examples: Nasdaq, Binance, CoinbaseUses an Order Book:Users post "Buy Or...

Goals: To journey from "Centralized Order Book Exchanges" all the way to "AMM + Curve Stablecoin Pools," and understand: 👉 Why do we need AMMs? 👉 Who are LPs? 👉 Where does Slippage come from? 👉 Why does Impermanent Loss exist? 👉 Why does Curve have low slippage and low impermanent loss? 👉 Why don't all AMMs use a "low slippage curve"?From CEX to DEX: Why Automated Market Makers (AMM)?1.1 Centralized Exchanges (CEX) Examples: Nasdaq, Binance, CoinbaseUses an Order Book:Users post "Buy Or...