<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.10.0">Jekyll</generator><link href="https://hacker-code-j.github.io/feed.xml" rel="self" type="application/atom+xml" /><link href="https://hacker-code-j.github.io/" rel="alternate" type="text/html" /><updated>2026-10-01T12:21:14+00:00</updated><id>https://hacker-code-j.github.io/feed.xml</id><title type="html">Code-J</title><subtitle>I’m Ji Yong-Hyeon, pursuing cryptology where mathematics meets computer science — turning theory into secure, practical systems through hands-on research and projects.</subtitle><author><name>Ji, Yong-Hyeon</name><email>hacker3740@gmail.com</email></author></feed>