What features do Atakama vs Guardtime KSI Blockchain offer?

**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. **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.

Who makes Atakama vs Guardtime KSI Blockchain?

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

Is Atakama a good alternative to Guardtime KSI Blockchain?

Atakama and Guardtime KSI Blockchain 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.

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

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

**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.. **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.. Both serve the Data Security Posture Management market but differ in approach, feature depth, and target audience.

Atakama

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

Data Security Posture Management

Commercial

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Guardtime KSI Blockchain

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

Data Security Posture Management

Commercial

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Side-by-Side Comparison

Feature

Atakama

Guardtime KSI Blockchain

Pricing Model

Commercial

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Core Features

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

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

Integrations

Microsoft Teams

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Atakama vs Guardtime KSI Blockchain: 2026 Comparison

Atakama

Guardtime KSI Blockchain

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