What features do Guardtime KSI Blockchain vs Atakama offer?

**Guardtime KSI Blockchain** differentiates with Hash-function-based digital signatures without asymmetric key cryptography, Exabyte-scale signature generation at O(t) complexity, Sub-second settlement via limited-participant consensus protocol. **Atakama** differentiates with Policy-based AES-256 file encryption without passwords, Distributed key management via key shards across devices and Key Shard Server (KSS), Mobile device-based decryption approval with session support.

Who makes Guardtime KSI Blockchain vs Atakama?

**Guardtime KSI Blockchain** is developed by Guardtime. **Atakama** is developed by Atakama. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Is Guardtime KSI Blockchain a good alternative to Atakama?

Guardtime KSI Blockchain and Atakama serve similar Data Security Posture Management use cases: both are Data Security Posture Management tools, both cover Quantum Safe. Review the feature comparison above to determine which fits your requirements.

Guardtime KSI Blockchain vs Atakama (2026) | Compare Data Security Posture Management Tools

Q: What is the difference between Guardtime KSI Blockchain vs Atakama?

**Guardtime KSI Blockchain**: Hash-based blockchain tech for quantum-immune data integrity & authentication. built by Guardtime. headquartered in Estonia. Core capabilities include Hash-function-based digital signatures without asymmetric key cryptography, Exabyte-scale signature generation at O(t) complexity, Sub-second settlement via limited-participant consensus protocol.. **Atakama**: File-level encryption platform using distributed key mgmt and AES-256. built by Atakama. headquartered in United States. Core capabilities include Policy-based AES-256 file encryption without passwords, Distributed key management via key shards across devices and Key Shard Server (KSS), Mobile device-based decryption approval with session support.. Both serve the Data Security Posture Management market but differ in approach, feature depth, and target audience.

Guardtime KSI Blockchain

Hash-based blockchain tech for quantum-immune data integrity & authentication.

Data Security Posture Management

Commercial

Visit Website Details

Atakama

File-level encryption platform using distributed key mgmt and AES-256.

Data Security Posture Management

Commercial

Visit Website Details

Side-by-Side Comparison

Feature

Guardtime KSI Blockchain

Atakama

Pricing Model

Commercial

NIST CSF 2.0 Mapping

Access NIST CSF 2.0 data from thousands of security products via MCP to assess your stack coverage.

Access via MCP

Core Features

Hash-function-based digital signatures without asymmetric key cryptography
Exabyte-scale signature generation at O(t) complexity
Sub-second settlement via limited-participant consensus protocol
Quantum-immune cryptographic signatures
Independent verification without trusted third parties or key stores
Data privacy by design — only hash values are submitted, raw data never leaves customer premises
Active Integrity: continuous detection, alerting, and mitigation of data tampering
Clean State Proof: mathematical assurance of network integrity

Policy-based AES-256 file encryption without passwords
Distributed key management via key shards across devices and Key Shard Server (KSS)
Mobile device-based decryption approval with session support
Secure File Transfer with recipient identity verification and sender-controlled decryption
Encrypted Search without requiring file decryption or unencrypted index
Detailed user activity logging with customizable alerts for SIEM and SOC integration
Data classification tool integration for automated policy-driven encryption
Decoupled file access verification independent of IAM systems

Integrations

No integrations listed

Microsoft Teams

Slack

Community

Community Votes

Bookmarks

User Reviews

No reviews yet

Need help choosing?

Explore more tools in this category or create a security stack with your selections.

Browse Data Security Posture Management Create Stack

Guardtime KSI Blockchain vs Atakama: 2026 Comparison

Guardtime KSI Blockchain

Atakama

Side-by-Side Comparison

NIST CSF 2.0 Mapping

Need help choosing?

Guardtime KSI Blockchain vs Atakama FAQ

Related Comparisons

Explore alternatives to:

FEATURED

Stay Updated with Mandos Brief

FEATURED

Stay Updated with Mandos Brief