Don't use Tor Browser. It's probably the least safe browser on the Internet.
https://news.ycombinator.com/item?id=13623735
(For people unfamiliar: Tor and Tor Browser are not the same thing!)
https://news.ycombinator.com/item?id=13623735
(For people unfamiliar: Tor and Tor Browser are not the same thing!)
And while I understand the motivation to avoid an exploit magnet, what do you mean by "inferior security design"?