1.   Digital certificates provide electronic credentials that enable authenticated and encrypted communications and transactions between sites and individuals over the Internet.

2.   Another difficulty with existing digital certificates is that they are trapped in a specific PC.

3.   Digital certificates can be obtained by signing up for a PrivacyX account.

4.   Digital certificates from VeriSign Inc., stored in the browsers, expire at midnight.

5.   Digital certificates are issued by VeriSign, as well as other companies, to prove identity in a digital era where commerce is increasingly transacted anonymously over computer networks.

6.   Digital certificates require third parties such as VeriSign to issue the keys that authorize users to access certain sites.

7.   Its latest deal, announced on Tuesday, embeds digital certificates into mobile phones for the Japanese wireless carrier NTT DoCoMo.

8.   Netscape is firmly committed to digital certificates rather than passphrase authentication, and Microsoft supports both its own version of passphrase identification and certificates.

9.   RSA has since produced its own digital certificate product, in part, by licensing VeriSign technology.

10.   Security Dynamics also owns a stake in Verisign Inc., a competitor in the digital certificate field.