https://www.youtube.com/watch?v=wApScWAA6gQ&feature=youtu.be
A simple video describes how lightning network will make bitcoin to be great.
Still hard for me to understand those technical things.But scanning the QR code with Laptop's webcam matters. A simple video describes how lightning network will make bitcoin to be great.

Can someone give me clear idea about lightning network?
Enjoy those merits to rank up.

that video shows Alex using a laptop yes, but afaiu/cmiiw you can put lightning on a smarty phone just about
lots of people don't have a