38 Providing online and offline services for cryptographic asset and owner verification of physical and digital assets at rest or in transit; providing online and offline services for verifying authenticity, ownership and historical ownership record of physical and digital assets; Providing online and offline services for sending and receiving electronic and postal mail, messages, documents and digital files, and encrypted digital certificates; providing online and offline services for generating, obtaining, verifying, managing, capturing, storing, processing, and viewing postal and electronic mail, messages, documents and digital files, and encrypted digital certificates