2026-05-09
Purpose-Driven Systems (feat. superpowers)
A simple cycle for systems that last, and how superpowers turns that cycle into a tool.
I enjoy the climb and the summit.
Sam Kim (Sangho Kim)
$ whoami?I think software lasts longest when it stands on a purpose that doesn't waver. I'm currently a Backend Lead at a fintech startup, with broad interests across cryptography, blockchain, TypeScript, home lab infrastructure, and more recently AI.
Recent Posts
All posts-
-
2025-12-09
Why macOS Terminals Mangle Korean: NFC vs NFD (1/2): NFC vs NFD
Why Korean text and sorting look broken on some macOS terminals — the root cause is NFC vs NFD.
-
2024-01-02
Generating Safe Random Numbers (2/2): TRNG and CSPRNG
How TRNGs and CSPRNGs produce safe random numbers, and how to use them across operating systems and programming languages.
-
2023-05-01
Generating Safe Random Numbers (1/2): Why it matters
From coin tosses and dice to a computer's pseudo-random output — why we need random numbers and why naive randomness isn't enough.
-
2018-12-06
Ethereum vs EOS: Who Wins?
A side-by-side look at Ethereum (gen 2) and EOS (gen 3) across usability, fees, and dApp adoption — and a guess at which platform might lead next.