Blog · Explainers & Notes

The Blog

Short, plain-language pieces on number theory, cryptography, and the mathematics behind the tools we all rely on. Written for the curious reader, no prior background assumed.

Educational Number theory in the world Independent · Addis Ababa
Applications · Markets & Structure · August 2026

From Structure to Signal

The Tesfa Grid began as a study of the hidden structure beneath the primes. The same idea — that apparent randomness carries a readable structure — points at another noisy sequence: the price of markets. A plain-language look at TGSS, the applied outcome: what it reads, how it trades in and out with discipline, and why its performance is measured out-of-sample. Read →

Cryptography & Number Theory · June 2026

What Post-Quantum Cryptography Means

In June 2026 the United States set legal deadlines to replace the encryption that protects nearly all digital communication. The reason is a piece of number theory. A plain-language explainer of the quantum threat, "harvest now, decrypt later," the new US mandate, and the standards replacing RSA and ECC. Read →

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