I had the same question.   The captive portal first presents the LN invoice.  Then:

In my app, I allow them access for the first minute or so and they can complete payment. Obviously you need to track it so it's not abused.

bitcoin

Okay guys. Hear me out. Helium network, but with lightning.

Kasai

I had the same question.   The captive portal first presents the LN invoice.  Then:

> In my app, I allow them access for the first minute or so and they can complete payment. Obviously you need to track it so it's not abused.

https://t.me/kriptodecom/1518