You said it, building sustainable financial infrastructure for millions of users is not a task for any single team. It requires collaboration, rigorous review, and shared ownership.

That's also true that building sustainable financial infrastructure for millions demands cross-functional collaboration, rigorous peer review, and shared ownership.

No single team can foresee every risk or scale need but success requires aligned incentives, clear governance, standardized practices, and continuous feedback loops so reliability, security, and inclusivity evolve together rather than rely on isolated efforts.