It just grants you access and if payment isn't received it revokes?
nostr:nprofile1qqspp9hkhc9y6lcwesklfmfvs6plzsl0eq0whglvumd2m5hu5ax8anqprpmhxue69uhkummnw3ezucmgv95k6cfwd9hxvme0qyt8wumn8ghj7mmjv9hxwetn09hxxtn5v43kstcpr3mhxue69uhkymmnw3ezummjv9hxwetn09hxxtn5v43kstcsa3stq blows my mind every time I use it.
Being able to pay for internet access while your offline is wild.
Discussion
You connect to WiFi without password, a sign in page appears, you paste ecash in the text box, it connects you to the internet.