There is actually a solution for that, called Lightning Rod.[0] It should allow asynchronous payment flows when running LN nodes on a mobile device, which are o

There is actually a solution for that, called Lightning Rod.[0] It should allow asynchronous payment flows when running LN nodes on a mobile device, which are offline most of the time. I'm not sure if it has been implemented yet (probably not). [0] https://github.com/breez/LightningRod https://github.com/breez/LightningRod