KSI BLOCKCHAINTIMESTAMPING

Public Key Infrastructure (PKI) is extremely successful for its original use case - sharing secrets across an insecure channel. However the complexities and costs of key management make it challenging to implement for verifying data at rest (data integrity).

KSI timestamping is designed for data integrity but does not require keys - the timestamps are verifiable without reliance on trusted authorities.  

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KSI Blockchain

KSI Blockchain was first developed in 2008 for the Government of Estonia to secure its critical health, justice and business data.

Since then, it has been deployed by the world’s most demanding customers, including the numerous governments and leading companies in telecoms, aerospace, defence, energy, financial services and insurance.

eIDAS

Guardtime’s KSI® Blockchain Timestamping Service is compliant with the eIDAS regulation and included in the European Trusted List.

KSI is the first blockchain-based technology to receive an eIDAS accreditation and marks an important step in the evolution of digital trust technologies. Accreditation was conducted by TÜV Nord, Germany.

Main Advantages: Unique benefits compared to existing timestamping solutions

  • MASSIVE VOLUME

    KSI Blockchain timestamping scales to millions of events per second to support the volumes needed for the most ambitious data-driven solutions in the public and private sectors.

  • INDEPENDENT VERIFICATION

    KSI Blockchain timestamps can be verified independently of Guardtime or any third-party service provider by widely witnessed blockchain-based trust anchors - either physical media or decentralized public chain.

  • LONG-TERM

    KSI timestamps can be stored and verified indefinitely, without the need for complex crypto-lifecycle management. KSI timestamps are immune to quantum computing attacks, which makes them ideal for long term archiving and future-oriented projects.

  • RELIABLE

    KSI Blockchain has been in continuous operation for over a decade and is designed to exceed enterprise reliability requirements, backed by industry-leading SLAs.


For more information, including deployment options and pricing, contact us

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