By Published On: August 15, 2025

Bank’s Are Ditching Legacy Fast, Here’s Who’s Racing Ahead

  • Zions Bank completed a decade-long core overhaul, boosting product speed by 40%, while Uptex Bank launched in MENA on Tuum’s SME-ready, open banking core.
  • Marginalen Bank pulled off a zero-downtime Mambu migration, modernizing payments, lending, and deposits with cloud scale.
  • In 2025, 70% of banks are rethinking cores as legacy systems strain under instant payments, crypto compliance, and embedded banking.

The future’s already shipping, are you still planning?


Big Moves This Week: Top 2 Deployment Headlines

🌐 Zions Bank’s Complete Core Overhaul Lessons

After a decade-long full core replacement, Zions Bank is now building products 40% faster. Here’s what they learned about resilience, risk, and ROI.

🌐 Tuum to Power Uptex Bank’s Launch in MENA

OBDS launches Uptex Bank in MENA, powered by Tuum’s SME-focused, open banking–ready, cloud-native core platform.


Trends to Watch: AI, Embedded Banking, Crypto

🌐 Banking 2025: The Rise of the Invisible Bank

From voice commands to IoT-enabled payments, core systems are becoming ambient, embedding banking into everyday life.

🌐 Crypto Regulatory Framework Impact

Regulatory clarity around crypto is forcing core banking systems to support tokenization, DeFi rails, and digital asset integration.

🌐 The Great Core Banking Awakening

2025 is the tipping point, with 70% of banks rethinking cores and early movers gaining 30%+ efficiency.

🌐 Supervisory Framework Modernization

Experts urge retiring outdated CAMELS models in favor of tech-integrated tools to better monitor digital banking risk and performance.


Platform Watch: Vendors + Tech

🌐 Swedish Bank Marginalen’s Successful Cloud Migration

Marginalen Bank completed a zero-downtime, 13-month switch to Mambu’s cloud core—modernizing payments, lending, and deposits via Azure.

🌐 Instant Payments & Core Banking Infrastructure

Fed research calls out legacy architecture as a barrier to real-time payment readiness, signaling urgency for system-wide upgrades.


Quick Hits

🌐 Regulatory Update on Core Banking Services

The EBA plans to tighten cross-border rules, targeting foreign banks offering core services in the EU without local branches.

🌐 Federal Reserve Policy & Community Banking Focus

Fed Vice Chair Michelle Bowman urges core modernization and relaxed capital rules to support struggling U.S. community banks.


Ready to Explore?

Dive into the highlights to see how leaders in the banking space are tackling innovation, efficiency, and scalability head-on. Let these stories inspire your own transformation journey.

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