ISTAR & Risk Management

Maneuver & Maintenance

Cyber & Communications

Clothing & Equipment

Life Support & Protection

Training & Simulation






Founded in Estonia in 2007, Guardtime is the world’s largest industrial blockchain technology provider in terms of revenue, headcount and customer deployments, with a team of over 130 cryptographers, developers and security architects.

Main Business, Products and Services

Guardtime’s KSI® blockchain technology is used for the real-time verification of integrity, time and origin of any type of digital assets – documents, logs, hardware configurations, firmware updates.

Company name :Guardtime

Address :A. H. Tammsaare tee 60 11316, Tallinn, Estonia

Contact telephone : +372 655 5097

General e-mail :info( ät )

Web address :