Cacher is the code snippet organizer for pro developers

From stackoverflow:

Marketing hype (and cost). This is not part of the spec.

From Wikipedia:

VeriSign uses the concept of classes for different types of digital certificates :

• Class 1 for individuals, intended for email.
• Class 2 for organizations, for which proof of identity is required.
• Class 3 for servers and software signing, for which independent verification and checking of identity and authority is done by the issuing certificate authority.
• Class 4 for online business transactions between companies.
• Class 5 for private organizations or governmental security.

Related:

• Licensing and Use of Root Certificates