Changyin Network Co., Ltd. aims to be the world's leading cloud security digital protection service provider for individual and SOHO. IDVAS is acronyms of Individual Digital Verification and Authorization System. It is a new generation of DRM, providing inexpensive and useful information protection scheme for small and medium-sized enterprises and individuals. Based on this, users can not only protect sensitive information, but also authorize document readers, track and manage documents, and obtain a clear report.