The Value Generating Layer


Year: 2025 | Industry: Fintech | Region: Japan |  Role: UX Strategist | Deliverable: UX Strategy

The Strategy
Most people in Japan split their money between two places: a traditional bank account for their salary, pensions, and everyday bills, and a secondary one for savings or investing. Because people rely so heavily on their main account, it’s incredibly hard for online platforms to convince them to switch. However, the ongoing cost-of-living crisis and the weak Yen weaken customer loyalty to primary banks, especially when fees are high, transactions offer no rewards, and interest rates are ultra-low. In particular, urban and younger demographics are more willing to shift activity to platforms that minimize transaction costs or integrate with loyalty programs. With this as a backdrop, online platforms can act as a value-generating layer on top of a user's primary bank rather than replacing it, while automatically directing idle cash into low-risk wealth-building vehicles.

The Roadmap to Maturity: 3-to-4 years
This value-generating layer grows alongside the customer in three distinct phases across four domains. As the user relies on the online platform more, they unlock deeper value, eventually turning small everyday crumbs into a massive compounding engine.


Phase 1: The Foot in the Door (1-to-12 months)
In this phase, the legacy bank does all the heavy lifting. This is where the customer gets paid, keeps their savings, and manages their main bills. At this stage, the online platform is just a frictionless payment tool, a convenient way to tap and pay for daily coffee or groceries while racking up initial ecosystem points.

Phase 2: The Core Habit (12-to-24 months)
In the second phase, a legacy bank is still the safe harbor for salary deposits, but the online platform starts taking over daily utility. It becomes the go-to app for paying monthly bills, sending money to friends, and dipping a toe into low-risk wealth engines, like setting up a small automated NISA fund or purchasing fractional crypto .

Phase 3: The Flipping Point (24-36 months)
The legacy bank is completely relegated to the background. It is reduced to a pass-through pipe where the salary lands and is instantly swept out. The customer's entire financial life, from day-to-day spending to serious wealth creation, compounding savings, and asset growth, now happens entirely within the online platform.

Ecosystem Governance

Building a value-generating layer on top of a legacy bank requires aligning the roadmaps of four distinct domains: Payments, Finance, Securities, and Banking.

Payment domain
  • Roadmap: Increase daily transaction volume and merchant ecosystem stickiness. Alignment: Introducing improved eKYC and proposing better point rewards makes salary routing to the platform highly attractive. This drives a massive spike in daily active users for the Payment domain, while the loyalty points earned on those payments act as fuel to increase subsequent transactions.

Finance domain
  • Roadmap: Expand consumer lending, credit products, and smart budgeting tools. Alignment: Instead of Finance trying to pitch loans out of nowhere, Finance uses their deep understanding of the customer's cash flow, offering hyper-personalized products, exactly when the user needed them.

Bank domain
  • Roadmap: Expand banking services among younger demographics. Alignment: The Bank domain provides competitive interest rates with flexible savings and loan products. The automated sweep infrastructure seamlessly captures the user’s salary, transferring idle cash directly into these products or toward loan pay-offs.

Securities domain
  • Roadmap: Acquire first-time investors. Alignment: Complex investment funds are simplified into automated, low risk, one-click micro-savings and investment products, receiving the influx of new users, without changing the underlying architecture.

The Strategy Takeaway

  • By building a value-generating layer on top of legacy banks, this strategy bypasses the stubborn stickiness of traditional salary accounts. For customers, it turns the platform from a simple digital wallet into a powerful, wealth generator for long-term financial security. For the business, this shifts the relationship from low-margin payment processing to high-value wealth management.