Changes

The Trusted root certificate authority (CA) refers to the issuer of a certificate which is ''usually'' pre-installed in a special folder on most of the operating systems and browsers.  This certificate is the basis of ''trust'':  It allows a user's device to trust a) the certificate presented from Bob (an individual, organization, or computer system) and, in turn, b) trust Bob's ''identity''.  

The Trusted root certificate authority (CA) refers to the issuer of a certificate, where the certificate is ''usually'' installed in a special folder on most of the operating systems and browsers.  This certificate is the basis of ''trust'':  

# It represents the root of a heirarchy of one or more CAs and  

# it allows a user's device to trust a) the certificate presented from stranger Sally (an individual, organization, or computer system) and, in turn, b) trust Sally's ''identity'', so she is not a total stranger.  

== Certificate Authority (CA) ==

== Certificate Authority (CA) ==