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Coreless Banking: When Your Core Stops Being a Single Platform
Coreless banking takes composable banking to the extreme: not one core, but best-of-breed capabilities orchestrated via APIs and events. What it is, when it fits, the risks.

WAU Marketing
2 days ago4 min read


SME Banking: The Underserved Segment Your Core Can Capture
SMEs are LATAM's backbone and banks serve them poorly. The reason isn't commercial—it's architectural. A modern core makes the segment profitable.

WAU Marketing
Jul 234 min read


Real-Time Fraud Detection: The Core as First Line of Defense
With PIX and SPEI, payments are irreversible in seconds. Fraud is stopped before approval, not after. Why a batch core arrives too late and what real time demands.

WAU Marketing
Jul 164 min read


CoDi and DiMo: Why Digital Collections Haven't Taken Off in Mexico
CoDi and DiMo promised to kill cash and stalled. The problem isn't the QR code or Banxico—it's the banks' core. Real numbers vs. PIX and what to do.

WAU Marketing
Jul 95 min read


Event-Driven Architecture: The Step After Microservices
Splitting the core into microservices isn't enough. The next level is making it react in real time to events: payments, fraud, limits. Why batch no longer cuts it.

WAU Marketing
Jul 25 min read


Decoupling a Critical System Without Stopping Operations: The Rollback Plan That Saved Us
Modernizing a legacy system wired into the core isn't replacing an app. It's operating on a living piece of the business without the business ever going down. Here's how a well-prepared rollback plan made all the difference.

WAU Marketing
Jun 264 min read


Generative AI in Banking: Real Use Cases Beyond the Hype
The useful generative AI in banking isn't the chatbot: it's the cases that touch the core and the data. Real examples—JPMorgan, Citi, Nubank—and what it takes.

WAU Marketing
Jun 254 min read


Agentic AI and its Impact on the Modernization of Core Finance with WAU
La IA agéntica emerge como una solución que no solo mejora procesos, sino que también impulsa la modernización del Core, permitiendo a las instituciones competir en un mercado cada vez más dinámico.

WAU Marketing
Jun 223 min read


Credit Unions & Microfinance: Modernize the Core on a Tight Budget
Modernizing the core is no longer just for big banks. How a credit union or microfinance institution modernizes with an OPEX model, without a bank's CAPEX.

WAU Marketing
May 214 min read


Remittances & Cross-Border Payments: Modernize the Core to Capture the Flow
Mexico received $64.7B in remittances in 2024 and 99% arrived digital. Why a legacy core loses that flow and how a modern one captures it.

WAU Marketing
May 124 min read


Choosing a Core Banking Vendor: 7 Critical Criteria
Only 3 in 10 core transformations end well. The 7 criteria that truly decide whether you pick the right vendor—or regret it for years.

WAU Marketing
May 74 min read


24/7 Availability: Observability and Resilience in the Core
Your customers operate 24/7; many cores are still built for branch hours. What an outage costs and how a core that doesn't go down is built.

WAU Marketing
Apr 284 min read


Financial Data Protection in LATAM: Residency and Encryption
Mexico reformed its data law in 2025 and the regulator is no longer autonomous. Why your core must handle residency, encryption, and consent out of the box.

WAU Marketing
Apr 234 min read


Real-Time Reconciliation: The Hidden Challenge of Instant Payments
24/7 instant payments break overnight batch reconciliation. Why your legacy core falls out of balance with SPEI and PIX, and how to reconcile in real time.

WAU Marketing
Apr 144 min read


Time-to-Market: Why Your Core Sets Your Product Velocity
In banking, the speed of launching a product isn't decided by your team: it's decided by your core. The numbers on how much a legacy core slows you, and how to change it.

WAU Marketing
Apr 93 min read


Migrating Your Core to the Cloud Without Downtime
The core is the last load banks move to the cloud, out of fear of downtime. How to migrate it without switching off 24/7 operations, and what the CNBV requires.

WAU Marketing
Mar 314 min read


Zero Trust in Banking: Securing a Distributed Core
Modernizing your core into microservices widens your attack surface. Why Zero Trust stops being optional and how to apply it to a distributed core.

WAU Marketing
Mar 264 min read


API-First Banking: The Technical Foundation of Open Finance
Open Finance is, by law, sharing data via APIs. Why putting a gateway on your legacy core doesn't make you API-first, and what actually does.

WAU Marketing
Mar 174 min read


Financial Inclusion in LATAM: The Core as Engine, Not Brake
Financial inclusion in LATAM is advancing, but the legacy core makes serving those who need it most too costly. How a modern core makes the unprofitable profitable.

WAU Marketing
Mar 123 min read


Monolith to Microservices: The Strangler Pattern in Banking
Full core replacement fails 4 out of 5 times. The Strangler pattern modernizes piece by piece, without switching the system off. How to apply it in banking.

WAU Marketing
Mar 34 min read
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