https://0607501b.wangpeng.pages.dev/en/blog/Recent content in Blog on Zhuifeng NotesHugoenSat, 15 Aug 2026 00:00:00 +0000https://0607501b.wangpeng.pages.dev/en/blog/welcome/Sat, 15 Aug 2026 00:00:00 +0000https://0607501b.wangpeng.pages.dev/en/blog/welcome/<p>After years of building banking system architecture, most of what I&rsquo;ve learned — the pitfalls, the hard-won insights — lived scattered across notes and chat logs. This site is where I organize them.</p> <h2 id="what-ill-write">What I&rsquo;ll write</h2> <ul> <li><strong>Architecture</strong>: ECIF, core banking, distributed architecture, and how Domain-Driven Design (DDD) lands in banking.</li> <li><strong>Banking</strong>: payment clearing, interest and limits, accounts/cards, AML/KYC/CRS.</li> <li><strong>Data</strong>: data governance, encryption and security, sharding, messaging and stream processing.</li> </ul> <h2 id="who-its-for">Who it&rsquo;s for</h2> <p>Peers, engineers moving into fintech, and anyone curious about <em>why</em> banking systems are designed the way they are.</p>