Blockchain Basics
Decentralized ledger technology fundamentals. Foundation of cryptocurrency and decentralized applications Quick reference guide with examples and best practices. Updated November 2025.
Crypto Tax Basics
Understand cost basis, taxable events, and reporting for spot trading, staking, and DeFi profits Quick reference guide with examples and best practices. Updated November 2025.
Crypto Wallet Security
Crypto Wallet Security — a quick reference covering core concepts, practical examples, and best practices.
Cryptocurrency Basics
Cryptocurrency basics — blockchain, Bitcoin, Ethereum, wallets, exchanges, security, and essential crypto terminology for beginners.
Foundry
Foundry — a quick reference covering core concepts, practical examples, and best practices.
Hardhat
Hardhat — a quick reference covering core concepts, practical examples, and best practices.
MetaMask
MetaMask wallet cheat sheet covering installation, wallet setup, network switching, transaction signing, security best practices, and Web3 interactions. Quick reference guide with examples and best practices. Updated November 2025.
OpenSea
OpenSea NFT marketplace cheat sheet covering buying NFTs, listing, collections, making offers, gas optimization, and platform navigation. Quick reference guide with examples and best practices. Updated November 2025.
Solidity
Solidity | Sheetly — a quick reference covering core concepts, practical examples, and best practices.
Uniswap
Uniswap DEX cheat sheet covering token swapping, liquidity pools, impermanent loss, slippage, V2 vs V3, and DeFi trading strategies. Quick reference guide with examples and best practices. Updated November 2025.
Web3 Development
Decentralized application development. Build decentralized applications on blockchain Quick reference guide with examples and best practices. Updated November 2025.