Guardtime invented Keyless Signature Infrastructure (KSI),  a blockchain stack for generating cryptographic metadata  at scale. The metadata  proves the properties (time, identity, integrity, provenance) of the underlying data without reliance on trusted parties.

Guardtime's Black Lantern platform enables customers to tag and track the veracity of every component, configuration, and digital asset within a network to achieve real-time awareness of the asset integrity state, no matter where that asset is transmitted, stored, or received. The Platform extends the power of the KSI Industrial Blockchain for real-time cybersecurity and data-centric asset protection,