To be exact, it is 'the IP address of Vivaldi users by removing the last octet of the IP address'.
It's true that they can still approximate location based on that. But unless you're travelling a lot so that you've many locations in their record, it's impossible for them to identify you.
It's true that they can still approximate location based on that. But unless you're travelling a lot so that you've many locations in their record, it's impossible for them to identify you.