Lightning POS

Build a point-of-sale app that creates invoices and tracks settlement.

advanced2 weeksproject // lightning-pos

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Learning objectives

study // plan

Lessons are primers. Depth comes from required reading, interactive labs, reflection, and a hands-on check with evidence — the BOSS study pattern.

Explain Lightning POS to a teammate without jargon — what problem does it solve?
What would break in production if you misunderstood Lightning POS?
Which BOLT (or implementation doc) is the source of truth for this topic, and what did you verify there?

For Lightning POS, complete the linked project spec happy path on regtest/Polar and capture demo evidence before marking the lesson complete.

evidence required

A Lightning POS turns protocol knowledge into a merchant tool: show QR, wait for payment, print/mark paid.

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POS mints invoices and listens until settled or expired.

Build a Node Ops Dashboard for channels and routing revenue.

project // lightning-pos

Apply what you learned in a focused build session. Ship something small, test it on regtest, and document your approach before moving on.

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