* December, 1998, VeriSign introduced digital certificate service for Wireless Application Protocol (WAP) servers and gateways.<ref>[http://www.wapforum.org/new/122199_verisign.htm Wap Forum.org ]</ref> | * December, 1998, VeriSign introduced digital certificate service for Wireless Application Protocol (WAP) servers and gateways.<ref>[http://www.wapforum.org/new/122199_verisign.htm Wap Forum.org ]</ref> |