CrossCert is the Korean Government-licensed CA and a Global CA for PKI, SSL, Cloud-Security, FIDO, Blockchain and IoT, which provides online trust services since 1999. CrossCert is the provider of CloudSign, a cloud-based digital signature service that authenticates the user when signing in online. It provides unmatched level of security, convenience, and portability, and allows individuals and organizations to take advantage of its groundbreaking technology at an affordable budget.