GuidesIntermediate
The Byzantine Generals Problem in Plain Language
Why distributed agreement is hard, and what Bitcoin's solution to it actually was. The intellectual puzzle behind every consensus algorithm.
7 min read
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Crypto guides · Guides
Beginner-to-advanced crypto guides on Bitcoin, Ethereum, DeFi, staking, wallets, taxes, and security. Step-by-step tutorials backed by hands-on testing.
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Showing 9 of 59
GuidesIntermediate
Consensus Mechanisms Compared — PoW, PoS, DPoS, PoA, PoH
Five families of consensus, one page. What each optimizes for, what each gives up, and where each has been deployed at scale.
8 min read
GuidesIntermediate
Merkle Trees and How Light Clients Trust the Chain
The compact-proof structure that lets your wallet verify inclusion without downloading the whole blockchain.
7 min read
GuidesIntermediate
Digital Signatures — ECDSA vs Schnorr
What a signature proves, why Schnorr matters, and what Taproot did with it. The primitive that lets crypto wallets exist.
7 min read
GuidesIntermediate
Hashing 101 — SHA-256, Keccak, Blake, and Why It Matters
One-way functions with avalanche effects and collision resistance. What hashing actually is and why every blockchain is built on it.
7 min read
GuidesBeginner
Public-Key Cryptography, Explained for Crypto Users
Private keys, public keys, addresses, signatures. The math that makes wallets work, without the math.
7 min read
GuidesIntermediate
Ordinals, BRC-20, and Runes — The Three Inscription Protocols
One paragraph on each. What they inscribe, how they interact with block space, and why Bitcoin fees look nothing like they did before 2023.
8 min read
GuidesIntermediate
Running a Bitcoin Node — Full, Pruned, Archive
Node types compared: full, pruned, archive. Storage cost, hardware, and the honest question of who actually benefits from running one.
8 min read
GuidesBeginner
Lightning Network for People Who Aren't Developers
Payment channels, invoices, routing — the mental model of Lightning without the technicalities. When it helps, when it doesn't, and how to actually use it.
9 min read