Beginner
Crypto and blockchain: start here
Understand coins, tokens, shared ledgers and what a blockchain can—and cannot—prove.
Learn crypto and finance
24 guides across beginner, intermediate and advanced levels. Plain-English explanations, examples and source references.
Beginner
Bitcoin: origins, mining and the network today
Follow Bitcoin from the 2008 paper to a running monetary network, without confusing price with protocol.
Beginner
Ethereum: from its early vision to today
Learn why Ethereum added programmable applications and how ETH differs from a token on Ethereum.
Beginner
Wallets, private keys and custody
Understand who controls a crypto account and what a recovery phrase actually protects.
Beginner
Sending crypto: networks, fees and confirmations
Read a transfer carefully before signing it and learn what a transaction explorer shows.
Beginner
Exchanges, spot markets and order types
Distinguish buying an asset from trading a derivative and understand market and limit orders.
Beginner
Market cap, liquidity and trading volume
Learn why a low token price does not establish that a cryptocurrency is cheap.
Intermediate
Stablecoins: pegs, reserves and redemption
Understand what supports a stablecoin’s target value and why the peg can break.
Intermediate
Tokenomics: supply, incentives and unlocks
Read token supply schedules without mistaking a low circulating supply for low risk.
Intermediate
Staking, validators and reward risks
Understand what staking does for consensus and how staking products differ.
Intermediate
DeFi lending and liquidations
Understand collateral, borrowing limits and why a position can be liquidated.
Intermediate
Decentralized exchanges and liquidity pools
Learn swaps, price impact and the trade-offs faced by liquidity providers.
Intermediate
NFTs: ownership, metadata and rights
Separate control of a token from copyright, storage and promises made by a collection.
Intermediate
Layer 2 networks and rollups
Understand how scaling systems relate to a base chain and where additional assumptions enter.
Advanced
Bridges and cross-chain risk
Learn how representations of assets move between networks and where trust is introduced.
Advanced
Oracles and blockchain data feeds
Understand how applications obtain outside information and why data quality affects execution.
Intermediate
Smart contracts, permissions and audits
Read an application’s control structure and understand the limits of a security audit.
Intermediate
Proof of work and proof of stake
Compare two approaches to coordinating a network without confusing consensus with every security property.
Advanced
MEV and transaction ordering
Understand how inclusion and ordering can affect the outcome of blockchain transactions.
Advanced
Zero-knowledge proofs: privacy and verification
Learn what a proof establishes and why validity proofs do not automatically make an application private.
Intermediate
DAOs, voting and governance
Understand proposal systems, voting power and the difference between a vote and execution.
Beginner
Finance foundations: returns, risk and compounding
Learn basic financial measurements before applying them to a crypto product.
Beginner
Recognizing scams and protecting accounts
Spot common deception patterns and understand how account access differs from transaction approval.
Beginner
How to verify crypto news
Distinguish an announcement, an allegation, an executed change and an independent finding.