Six pieces of programmable money pulled apart layer by layer, and The Full Stack in the middle showing how they connect. Pick a world to open it.
Pick two to four. Each gets its own lane in its own colors, and the same $100 moves through all of them at once.
Four at a time. Remove one first.
Eight card issuers from PaymentScan's issuer list, A to Z, on the same model. Load one to see where it is licensed, whose BIN is on the card, how programs fund it and how it pays the network. No ranking: each one fits different programs.
Public information as of September 2026, simplified. Not legal or investment advice.
Click a name to load it on the model. The first column is your own design. Issuers run A to Z.
The number range under every card, where it lives, and what can go wrong.