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#Cryptography

1 article on Cryptography. Practical notes, patterns, and lessons from building software.

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Apr 15, 2026 16 min read

Blockchain from Scratch: A Technical Intro with a Toy App You Can Actually Run

A ground-up, technical introduction to blockchains — hashes, blocks, Merkle trees, proof-of-work, consensus — paired with a ~200-line TypeScript toy chain you can run, fork, and break. The version of the explanation that assumes you're a developer, not an investor.

BlockchainCryptographyDistributed Systems
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