The Core Banking System (CBS) is the invisible but essential heart of any financial institution. It’s the master ledger that supports every banking product—and nearly every banking process.
Yet many CBS systems are aging, fragmented, and risky to update. As financial services evolve rapidly—from crypto to real-time payments—banks must find ways to modernize these systems without disruption.
For anyone looking to partner with a bank on their CBS or related tech priorities, you’ll want to know the basics. This Primer will cover what CBSs do, how they work, and who’s involved.
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