I'm trying to buy a book in the India store, and it gets stuck after my double process credit card procedure. The pic below is a description of the web site info Kobo (?) is using to process the sale procedure .....
(to get this info, using Firefox, I clicked on the green 'lock' to the left of the site url)
And like Docno the procedure doesn't finish and the screen is blank except for a whirling circle type object that appears to be going off to think about things .... (I'm using the newest checkout screen)