No LN address support, but if you go to your "Receive" tab and copy the link you get when tapping the share button underneath the "Add amount" option, you can (as far as I'm aware, could be wrong) just reuse that link to directly receive EBSC bits in Cash App.
I'll use myself as an example.
https://cash.app/launch/bitcoin/$serpentholic/YbFtq7eZHz
