Hancic Tech Bloghttps://en.hancic.site/Recent content on Hancic Tech BlogHugoen-usFri, 11 Sep 2026 00:00:00 +0000Abouthttps://en.hancic.site/about/Fri, 11 Sep 2026 00:00:00 +0000https://en.hancic.site/about/<p>Hi, I&rsquo;m <strong>Hancic</strong> — a full-stack software engineer based in Beijing, China.</p> <h2 id="what-i-do">What I do</h2> <ul> <li><strong>Backend / data / operations</strong>, with Python and Rust as my main languages</li> <li>Write mostly in an <strong>AI-driven, practical</strong> way — comfortable across tooling and stacks</li> <li>Interested in <strong>distributed systems</strong>, <strong>trading systems / quant</strong>, and <strong>self-hosting</strong></li> </ul> <h2 id="this-blog">This blog</h2> <p>Engineering notes in English for a global audience: systems design, infrastructure, and the occasional opinion on tooling. The Chinese blog lives at <a href="https://blog.hancic.site">blog.hancic.site</a> and covers similar topics in Chinese.</p>Welcome to This Bloghttps://en.hancic.site/welcome/Fri, 11 Sep 2026 00:00:00 +0000https://en.hancic.site/welcome/<p>This is the first post on the English side of hancic.site.</p> <h2 id="why-another-blog">Why another blog</h2> <p>The Chinese blog at <a href="https://blog.hancic.site">blog.hancic.site</a> has been running for a while. Some of the topics — distributed systems, trading systems, and engineering practice — are interesting to a global audience too. So here we are: an English blog, written without a translation step.</p> <h2 id="what-to-expect">What to expect</h2> <ul> <li>Systems engineering and architecture notes</li> <li>Trading systems and quant tooling</li> <li>Occasional tooling and self-hosting stories</li> </ul> <h2 id="comments">Comments</h2> <p>Comments run on <a href="https://giscus.app">giscus</a>, powered by GitHub Discussions — feel free to drop a note below!</p>Where Distributed Systems Complexity Comes Fromhttps://en.hancic.site/distributed-systems-complexity/Fri, 11 Sep 2026 00:00:00 +0000https://en.hancic.site/distributed-systems-complexity/The complexity of distributed systems reduces to three root problems: space, time, and consensus. Why each one resists a simple answer, how they stack, and what that means when you pick a protocol.