Topic
cryptography
2 essays follow this thread across the codex.
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Four States and a Short Vector
Quantum mechanics takes secrecy away with one hand and gives it back with the other. A Fourier transform dissolves the arithmetic under the padlock; a theorem about copying lets a single photon carry a key nobody can overhear; and a little deliberate noise turns a schoolroom equation into a wall. The actual mathematics of all three, made readable, and where the migration stands in September 2026.
Mathematics · September 2026 · 18 min -
Someone Is Already Keeping Your Secrets
The largest engineering project of the decade is one almost nobody has noticed: replacing the mathematics underneath every private thing you do online, before a machine that does not yet exist arrives to break it. What that machine would actually do, why the arithmetic permits it, and what was quietly swapped out under your feet while you were not looking.
Mathematics · August 2026 · 19 min- cryptography
- quantum computing
- number theory
- lattices
- security