Worked example: Building a merchant checkout

This lesson is for enrolled learners

The concept This lesson walks step-by-step through designing a complete merchant checkout flow that accepts stablecoin payment alongside, or instead of, cards — applying the API concepts from Lesson 3.4 to a concrete, end-to-end user journey, and surfacing the specific trade-offs a merchant takes on by choosing this rail. The flow has five steps: (1) the customer selects "pay with……

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