https://0607501b.wangpeng.pages.dev/en/categories/banking/Recent content in Banking on Zhuifeng NotesHugoenMon, 10 Aug 2026 00:00:00 +0000https://0607501b.wangpeng.pages.dev/en/banking/ecif-overview/Mon, 10 Aug 2026 00:00:00 +0000https://0607501b.wangpeng.pages.dev/en/banking/ecif-overview/<p>Before ECIF, branches, internet banking, and the card center each kept their own customer records. The same person appeared with different names, IDs, and contacts across systems — making both marketing and risk control impossible.</p> <h2 id="what-ecif-solves">What ECIF solves</h2> <p>ECIF (Enterprise Customer Information Facility) consolidates customer master data scattered across business systems into one place, exposing a <strong>single customer view</strong>.</p> <ul> <li><strong>Unique identity</strong>: a Party ID unifies natural persons / institutions, not the ID number.</li> <li><strong>Primary/secondary</strong>: supports one person many accounts, one account many cards, with unique master data.</li> <li><strong>Service-oriented</strong>: other systems query via interfaces instead of keeping their own copies.</li> </ul> <h2 id="key-technical-trade-offs">Key technical trade-offs</h2> <ul> <li><strong>Read/write split</strong>: master writes are strongly consistent; queries can hit cache / read replicas.</li> <li><strong>Auditable changes</strong>: customer changes are traced to satisfy regulatory audits.</li> </ul> <blockquote> <p>ECIF is not &ldquo;yet another database&rdquo; — it is the bedrock of bank digitalization.</p>