A Comprehensive Comparison of Post-Quantum Security Approaches
Explore how our hybrid information-theoretic + computational system compares to NIST Post-Quantum Cryptography standards
Information-Theoretic (GHZ): Unconditional security guaranteed by quantum mechanics
Computational (Echo Resonance): 2^4096 key space for additional protection
70% reduction: 512 bytes vs 1,700 bytes
More efficient for blockchain and IoT applications
69% fidelity on IBM Quantum ibm_fez
0% error rate in key matching
Not just theoretical—proven on real hardware
Hybrid-friendly architecture
Layer on top of existing systems
No hard forks required
GHZ layer provides information-theoretic security
Protected by laws of physics, not computational assumptions
Future-proof against any mathematical breakthrough
Production SDK available
14 operational API endpoints
Validated on real quantum hardware
| Aspect | NIST PQC | Our Hybrid System |
|---|---|---|
| Security Basis | Computational hardness | Information-theoretic + Computational |
| Key Size | 1,500-1,700 bytes | 512 bytes (4096 bits) |
| Long-Term Guarantee | Secure until math breakthrough | Unconditional (GHZ layer) |
| Migration Complexity | High (hard forks) | Hybrid-friendly (layer on top) |
| Proof of Security | Theoretical + standardization | Empirical hardware validation |
| Current Readiness | Software libraries ready | Production SDK with hardware validation |
How our GHZ-based protocol compares to traditional QKD implementations
| Aspect | BB84 | E91 | Our GHZ-Based |
|---|---|---|---|
| Security Basis | Quantum no-cloning | Bell states | GHZ entanglement |
| Hardware Requirements | Quantum channel | Entangled photons | NISQ hardware |
| Range | Limited (~100km) | Limited (~100km) | Cloud-based (unlimited) |
| Fidelity | High (ideal conditions) | High (ideal conditions) | 35-94% (NISQ validated) |
| Scalability | Limited | Limited | 2-28 qubits validated |
| Production Ready | Specialized hardware | Specialized hardware | ✅ Cloud-based, validated |
Our hybrid system has been validated on real quantum hardware, not just simulated
Our hybrid system combines the best of both worlds: unconditional security and practical implementation