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111 sats \ 0 replies \ @calle OP 20 Dec 2022 \ parent \ on: I'm Calle, a Physicist and Programmer who fell in love with Lightning - AMA bitcoin
Just accepting payment for stuff online, really. Killer app.
Imagine you build a small tool and put it on the internet but it costs money to run the service. What do you do? Apply for a credit card payments thing and wait 3 months for it to happen? Never gonna happen. Lightning it is.