We can now serve our *.blogspot.com blog using
Go to your Blogger Settings ► Basic ► then scroll down to HTTPS Settings ► HTTPS Availability ► pick yes/no.
Right now, this feature is only available for *.blogspot.com blog. Not custom Blogger blog with custom domain, such as this blog.
Do not ditch your custom domain, because later on Blogger will certainly have a feature to, like, upload
SSL certificate(s) and such.