So far all my passwords are secured using all the tools posted here, all my emails need phone verification to open and every Gmail account holders should do the same, to avoid their account get compromised and always clean your cache, and install a good anti virus if you are involved in Cryptocurrency, security of your account should be high in your priority.
You don't need a antivirus if you take precautions while downloading and browsing the internet. Anti virus is just bloatware which can slow down your computer. Linux does not use a antivirus and many people on Windows who are taking caring while downloading software don't need it. Anti virus is only there for people who are not tech savvy.