扩展跨境交易的支付基础设施

All three are challenging, but I find the technological integration of various systems to handle the scale and diversity of transaction types to be surprisingly complex.

Definitely liquidity management. Optimizing working capital across multiple currencies and corridors without incurring massive FX costs is a constant battle.

Is anyone else finding that compliance with data residency laws in different countries adds a whole new layer of infrastructure complexity? It's not just about the money flow anymore.

For smaller PSPs, simply getting a foot in the door with established correspondent banks can be an uphill battle, often requiring a substantial deposit or track record.