PQ‐Sigs - Galactic-Code-Developers/NovaNet GitHub Wiki
Post-Quantum Signatures (PQ-Sigs) in NovaNet
1. Introduction to PQ-Sigs
Post-quantum signatures (PQ-Sigs) ensure cryptographic security even against quantum attacks. NovaNet integrates PQ-Sigs to protect blockchain transactions, validator authentication, and smart contract execution.
1.1 Why Post-Quantum Signatures?
Traditional cryptographic signatures (ECDSA, RSA) rely on integer factorization and elliptic curve cryptography (ECC), both of which are vulnerable to quantum computing via Shor’s Algorithm.
- PQ-Sigs use lattice-based, hash-based, and multivariate polynomial cryptography to secure blockchain transactions.
- NovaNet's PQ-Sigs implementation ensures future-proof validator authentication, governance voting, and AI-powered transaction security.
2. NovaNet's Implementation of PQ-Sigs
NovaNet integrates NIST-approved post-quantum digital signature schemes, including:
- CRYSTALS-DILITHIUM – High-speed lattice-based signature algorithm
- FALCON – Compact lattice-based post-quantum signatures
- SPHINCS+ – Stateless hash-based signatures for long-term security
2.1 Post-Quantum Signature Scheme Comparison
| Signature Scheme | Type | Advantages | Use in NovaNet |
|---|---|---|---|
| CRYSTALS-DILITHIUM | Lattice-Based | Fast signature verification | Validator authentication |
| FALCON | Lattice-Based | Small signature size | Transaction signing |
| SPHINCS+ | Hash-Based | Quantum-resistant long-term security | AI-powered fraud detection |
3. PQ-Sigs for Validator Authentication
Validators must sign blocks using PQ-Sigs, ensuring that block signatures remain quantum-resistant.
Mathematical Model for PQ-Sig Validator Authentication
Let:
- $$PK_V$$ be the public key of the validator.
- $$SK_V$$) be the private key of the validator.
- $$M$$ be the block data.
- $$\sigma$$ be the post-quantum signature.
$$\sigma = PQSign(SK_V, M)$$
Verification:
$$PQVerify(PK_V, M, \sigma) = \text{TRUE}$$
If TRUE, the validator is authenticated. If FALSE, the block is rejected.
4. PQ-Sigs for AI-Powered Smart Contracts
NovaNet smart contracts use PQ-Sigs for secure execution. The AI-based contract engine verifies quantum-resistant digital signatures before executing critical contract functions.
4.1 Post-Quantum Digital Signature in Smart Contracts
| Feature | PQ-Sigs Advantage |
|---|---|
| Smart Contract Function Signing | Prevents contract tampering |
| AI-Verified Signature Authentication | AI detects anomalies in digital signatures |
| Validator Signature Consistency | Ensures consensus integrity |
| Governance Proposal Security | Prevents vote manipulation |
5. AI-Driven PQ-Sig Fraud Detection
NovaNet uses AI models to detect anomalies in post-quantum signatures, ensuring that forged transactions are instantly identified and rejected.
- AI-based PQ-Sig anomaly detection prevents Sybil attacks.
- AI-enhanced validator fraud detection ensures signature consistency across blocks.
- PQ-Sig smart contract signing ensures that governance votes remain tamper-proof.
6. PQ-Sigs for Cross-Chain Security
NovaNet supports quantum-resistant cross-chain transactions using PQ-Sigs, ensuring quantum-secure interoperability with Ethereum, Polkadot, and Cosmos.
- PQ-Sig verification for Ethereum-based assets bridged into NovaNet
- Quantum-safe validator authentication across multiple blockchains
- AI-assisted PQ-Sig verification in smart contract cross-chain executions
7. Future Enhancements & Research
🔲 Integration of PQ-Sigs into Zero-Knowledge Proofs (ZKPs)
🔲 Quantum-Resistant MPC (Multi-Party Computation) with PQ-Sigs
🔲 Lattice-Based Threshold Signature Schemes for Decentralized Validators
🔲 Quantum-Proof Identity & Authentication for Self-Sovereign Identities (SSI)
NovaNet’s Post-Quantum Signatures (PQ-Sigs) ensure:
- Quantum-resistant validator authentication
- Secure blockchain transactions against quantum threats
- AI-powered anomaly detection for signature fraud prevention
- Secure smart contract execution with cryptographic integrity
With lattice-based and hash-based PQ-Sig integration, NovaNet is future-proofed against quantum computing attacks.