Cryptocurrency & Blockchain

Cryptographic Hash Functions: The Building Blocks of Blockchain

How cryptographic hash functions power Bitcoin: collision resistance, hiding, puzzle-friendliness, SHA-256, Merkle trees, and proof of liabilities.

11 min readLevel: FoundationsCalculatorExcel model

Proof-of-Work Explained: How Bitcoin Achieves Consensus

Proof-of-work explained: how Bitcoin mining secures decentralized consensus, why difficulty adjusts, and the economics that make attacks irrational.

9 min readLevel: CoreCalculatorExcel model

Cryptocurrency Wallets & Key Storage: Hot, Cold & Hardware

Cryptocurrency wallets and key storage for investors: hot vs cold custody, hardware wallets, multisig, secret sharing, and exchange counterparty risk.

13 min readLevel: Core

Bitcoin Valuation: Supply, Demand & Token Economics

Bitcoin valuation models: fixed supply and halvings, the token valuation equation, stock-to-flow and its failure, NVT, and investment vs transaction demand.

10 min readLevel: CoreCalculatorExcel model

Bitcoin Privacy & Anonymity: Pseudonymity, Mixing & Zero-Knowledge

Bitcoin privacy and anonymity: address clustering, exchange KYC linkage, CoinJoin mixing, Monero and Zcash, and what compliance teams need to know.

11 min readLevel: Core

Cryptocurrency Regulation: Legal Classification, AML & Global Frameworks

Cryptocurrency regulation explained: the Howey test, SEC enforcement, the FATF Travel Rule, MiCA, and how digital assets are classified and taxed.

13 min readLevel: Core

Proof-of-Stake Explained: Ethereum’s Merge & Beyond

Proof of stake vs proof of work: how Ethereum’s Merge happened, validator economics, slashing risk, liquid staking, and the security trade-offs.

17 min readLevel: Core

Smart Contracts & Ethereum: Programmable Money

Smart contracts and Ethereum explained: the EVM, gas and EIP-1559, DeFi and NFTs, Layer 2 rollups, and the risks finance professionals must weigh.

12 min readLevel: CoreCalculatorExcel model

Altcoins & the Cryptocurrency Ecosystem: Beyond Bitcoin

Altcoins and the cryptocurrency ecosystem: coins vs tokens, merge mining, atomic swaps, sidechains, ICO lessons, and an evaluation framework.

13 min readLevel: Core

Digital Payment Systems & CBDCs: From Electronic Rails to Central Bank Digital Currency From Money & Banking

Learn how central bank digital currencies (CBDCs) work, how they compare to stablecoins and cryptocurrency, and what they mean for banking and monetary policy.

14 min readLevel: CoreCalculatorExcel model