Quantum-aware foundation
Designed to support post-quantum cryptographic primitives as native components of the platform architecture.
Post-quantum blockchain infrastructure
Digital trust built for the quantum era.
Cyclic Block is a next-generation blockchain platform designed around the Cyclic post-quantum cryptographic ecosystem—built for secure, auditable, mission-critical systems.
Post-QuantumSecurity-first architecture
EnterpriseIntegration-oriented design
GovernmentHigh-assurance use cases
CB
Network state
Verified
Cryptographic layer
Cyclic
Designed for
Secure Infrastructure
Supply Chains
Digital Identity
Defense Systems
The platform
A blockchain designed around post-quantum security.
Cyclic Block extends the Cyclic cryptographic stack into a distributed trust layer for organizations that need strong integrity, transparent auditability, and long-term security.
Auditable state
Create verifiable records, trace state changes, and strengthen trust across organizational boundaries.
Integration ready
Built to connect through APIs, SDKs, and controlled interoperability paths with existing enterprise systems.
Mission-focused
Positioned for government, defense, regulated industries, and high-assurance commercial deployments.
Technology
Powered by the Cyclic cryptographic ecosystem.
Cyclic Block is the blockchain expression of the broader Cyclic platform. The public interface explains the product without disclosing proprietary implementation details.
View the ecosystem →
Application layer
Cyclic Block
Distributed trust, verification, and auditability
Developer layer
Cyclic SDK
Integration tools, APIs, and implementation support
Cryptographic layer
Cyclic KEM & Security Primitives
Post-quantum-oriented cryptographic foundation
Solutions
Built for consequential systems.
Cyclic Block is positioned as secure infrastructure—not a speculative cryptocurrency product.
Supply chain integrity
Track provenance, custody, and trusted state changes across distributed partners.
Digital identity
Support durable, high-assurance identity and credential verification workflows.
Software provenance
Strengthen the integrity of releases, updates, and trusted software supply chains.
Defense logistics
Create auditable records for mission systems, assets, and multi-party operations.
Critical infrastructure
Improve tamper evidence and cross-domain trust for regulated operational environments.
Digital evidence
Preserve verifiable chains of custody for documents, records, and sensitive artifacts.
Connected ecosystem
One product family. Clear roles.
Cyclic Block connects the Iterum Labs innovation portfolio with the Cyclic cryptographic platform.
Company
Iterum Labs
Research, invention, partnerships, and commercialization.
Visit Iterum Labs →
Blockchain
Cyclic Block
Post-quantum distributed trust and auditable infrastructure.
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Cryptography
Cyclic
Post-quantum cryptographic tools, SDKs, and integration.
Visit Cyclic → Developers
Built to become a practical platform.
The developer area will grow into the technical hub for documentation, APIs, SDK downloads, release notes, integration examples, and evaluation access.
cyclic-block
$ cyclic-block init
Preparing secure development environment...
✓ Cyclic SDK connected
✓ Network profile loaded
✓ Post-quantum policy enabled
$ status
Evaluation environment ready. Work with us
Explore Cyclic Block for your mission.
We are preparing controlled evaluations, technical partnerships, and early integration opportunities for qualified organizations.
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Developed by Iterum Labs