[Cryptography] Always keep a second browser installed and up to date.

[Tom Mitchell]

When your favorite browser has a problem you may need a second to
go get an update.... (a lesson from working on cars).

https://www.us-cert.gov/ncas/current-activity/2017/12/04/Mozilla-Releases-Security-Update-Firefox

The same applies to crypto keys and methods.
Perhaps use one exclusively but have the other handy.

-- 
  T o m    M i t c h e l l
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