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 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: receiving income, keep savings, and managing main bills. At this stage, the online platform is just a frictionless payment tool, a convenient way to tap and pay for daily purchases while racking up 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
  • Goal: Increase daily transaction volume and merchant stickiness. Alignment: Introducing a round up transaction service and a micro market place for recurring purchases to save money, leads to more daily active users, while the loyalty points earned on those payments act as fuel to increase subsequent transactions.

Finance domain
  • Goal: Expand consumer lending, credit products, and smart budgeting tools. Alignment: The Finance domain is using their deep understanding of the customer's cash flow, offering personalized services, only when the user needs them.

Bank domain
  • Goal: Expand banking services among younger demographics. Alignment: The Bank domain provides competitive interest rates with flexible savings, loan products, and point earning. The automated sweep infrastructure captures the user’s salary and transfers idle cash directly into these products. 

Securities domain
  • Goal: Acquire first-time investors. Alignment: Complex investment funds are simplified into automated, low risk, one-click micro-savings and investment products, 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.