QUANTA

The First Quantum-Resistant Blockchain Built for the Future

Founder: Kishore K — admin@quantachain.org — quantachain.org

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What is QUANTA?

QUANTA is an ultra-secure, production-ready blockchain operating as a Post-Quantum Institutional Settlement Layer. While Bitcoin and Ethereum use cryptography vulnerable to future quantum computers, QUANTA is designed as an impenetrable digital vault for institutional capital and sovereign wealth.

It deliberately omits smart contracts to minimize attack surfaces, focusing entirely on providing the most secure store-of-value network ever built.

Built with:

• Falcon-512 post-quantum signatures
• Kyber-1024 post-quantum encryption
• SHA3-256 quantum-resistant hashing
• Modern Rust implementation

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Why QUANTA Matters

The Quantum Threat

Current blockchains rely on elliptic curve cryptography (ECDSA/EdDSA) that quantum computers can break using Shor's algorithm. Conservative estimates suggest such quantum computers could exist within 10-15 years, potentially rendering existing blockchain security obsolete.

The QUANTA Solution

• Future-Proof Security: NIST-standardized post-quantum algorithms resist both classical and quantum attacks
• No Migration Needed: Built correctly from day one, not retrofitted
• Fair Distribution: 100% mining distribution, no pre-mine, no ICO
• Production-Ready: Built in Rust with comprehensive testing and operational tooling

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Quick Links

| Resource | Description | |----------|-------------| | Whitepaper | Complete technical specification and architecture | | Tokenomics | Economic model, supply schedule, and incentive design | | Governance | Treasury multisig, PoS transition, on-chain voting roadmap | | Contributing | Development guidelines and how to contribute | | Security Policy | Vulnerability reporting and security practices | | Website | Official project website | | Documentation | Installation and usage guides |

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For Investors

Value Proposition

QUANTA addresses a trillion-dollar problem: the quantum computing threat to blockchain infrastructure. As institutions and governments invest in quantum computing, existing blockchains face obsolescence. QUANTA provides:

1. First-Mover Advantage: The first institutional-grade, quantum-resistant settlement network
2. Minimal Attack Surface: No Turing-complete smart contracts means no contract exploits or multi-billion dollar hacks
3. Native Crypto-Vaulting: Built-in protocol-level Time-Locks for escrow and vesting
4. Deflationary Economics: 70% of transaction fees are permanently burned
5. Sustainable Growth: Perpetual mining incentives prevent Bitcoin's "final block" problem

Tokenomics Summary

| Parameter | Value | Benefit | |-----------|-------|---------| | Initial Supply | 0 QUA | Fair launch, no pre-mine | | Year 1 Block Reward | 100 QUA | Strong early miner incentives | | Annual Reduction | 15% | Gradual, predictable emission | | Minimum Reward | 5 QUA | Perpetual security budget | | Fee Burn Rate | 70% | Deflationary pressure | | Block Time | 30 seconds | Fast transaction finality |

Supply Projection:

• Year 1: 315 million QUA
• Year 5: 1.17 billion QUA
• Year 20+: ~2 billion QUA maximum (with 5 QUA floor)

Market Opportunity

Comparable Projects:

• Quantum Resistant Ledger (QRL): Market cap ~$10M (2025)
• QAN Platform: $15M raised, enterprise pilots
• Algorand: Announced post-quantum research initiatives

QUANTA Differentiators:

• 100% quantum-resistant from genesis (not hybrid)
• Modern Rust implementation (not legacy code)
• Adaptive tokenomics (not Bitcoin clone)
• No pre-mine or token sale (fair distribution)

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For Developers

Technology Stack

| Component | Technology | Notes | |---|---|---| | Language | Rust 2021 | Memory-safe, no GC, high-performance | | Async Runtime | Tokio 1.35 | Multi-threaded async I/O | | Database | sled 0.34 | Embedded, crash-safe key-value store | | P2P Network | Tokio TCP + custom protocol | bincode wire format, zstd compressed | | REST API | Axum 0.7 + Tower | Port 7777 (default) | | RPC Server | Custom TCP JSON-RPC | Port 7782 (default) | | Serialization | bincode (wire) + serde_json (API) | 22% smaller, 8× faster than JSON | | Parallel Compute | Rayon 1.8 | Parallel Falcon-512 signature verification | | Sig Cache | lru 0.12 | 100,000-entry LRU verification cache | | Compression | zstd 0.13 | 4× block size reduction on P2P wire | | PQ Signatures | pqcrypto-falcon 0.3.0 (pinned) | Falcon-512; pinned for consensus determinism | | PQ Encryption | pqcrypto-kyber 0.8 | Kyber-1024; wallet encryption | | Hashing | sha3 0.10 | SHA3-256 (double-hash for blocks) | | KDF | argon2 0.5 | Argon2id; wallet password hardening | | HD Wallet | bip39 2.0 + hmac 0.12 | BIP39 24-word mnemonic, BIP32 Falcon keys |

Module Architecture

quanta/
├── src/
│   ├── consensus/
│   │   ├── blockchain.rs   ← Chain state, block add/validate, difficulty, rewards
│   │   ├── mempool.rs      ← Mempool management, fee ordering
│   │   └── performance.rs  ← Metrics tracking
│   ├── core/
│   │   ├── block.rs        ← Block struct, mine(), double-SHA3 hash, PoW
│   │   ├── transaction.rs  ← Tx struct, verify(), AccountState, locked balances
│   │   └── merkle.rs       ← SHA3-256 Merkle tree for SPV
│   ├── crypto/
│   │   ├── signatures.rs   ← FalconKeypair, verify_signature_strict(), domain sep
│   │   ├── wallet.rs       ← QuantumWallet, Kyber-1024 wallet encryption
│   │   ├── hd_wallet.rs    ← BIP39/BIP32 HD wallet with Falcon-512 keys
│   │   └── multisig.rs     ← M-of-N Falcon-512 threshold signatures
│   ├── network/            ← P2P TCP protocol, peer discovery, sync
│   ├── api/                ← Axum REST endpoints (port 7777)
│   ├── rpc/                ← TCP RPC server + client (port 7782)
│   ├── storage/            ← sled DB wrapper, block/account CRUD
│   ├── config/             ← TOML config, QuantaConfig struct
│   ├── bin/wallet_cli.rs   ← Interactive wallet CLI binary
│   └── main.rs             ← CLI entry point (~20 subcommands)

Key Features

Cryptographic Security (All Post-Quantum)

• Falcon-512 signatures — NIST Level 1, 897-byte pubkey, stateless, unlimited reuse
• Kyber-1024 encryption — NIST Level 5 for wallet files and key material
• SHA3-256 hashing — double-SHA3 for blocks, quantum-safe
• Argon2id key derivation — memory-hard wallet password protection
• Domain-separated canonical signing: SHA3-256("QUANTA_TX_V1:" || signing_bytes)
• Strict pre-checks: pubkey must be exactly 897 bytes, sig blob in [33, 698]
• Crypto agility: sig_scheme byte in every TX — soft-fork algorithm upgrades
• Build determinism: pqcrypto-falcon pinned to =0.3.0, strict-float, codegen-units=1

Consensus & Blockchain

• Adaptive Proof-of-Work (SHA3-256/SHA3-256 double hash, CPU-friendly)
• Account-based model (not UTXO): balance + nonce + locked_balances per address
• 30-second block time target
• 1,200 TX per block max (2 MB limit — Falcon-512 tx ≈ 1,713 bytes)
• 120+ TPS sustained theoretical throughput (parallel verification scaling)
• Nonce-based replay protection + 24-hour expiry window
• Merkle tree (SHA3-256) for transaction inclusion proofs
• Checkpoint system: hardcoded hashes prevent deep chain reorgs

Performance Optimizations

| Optimization | Before | After | Speedup | |---|---|---|---| | Rayon parallel sig verify (physical cores) | 1,800 ms | 225 ms | 8× | | LRU signature cache (100k entries, ~80% hit) | 225 ms | ~45 ms | 5× | | Bloom filter mempool dedup (50k cap, 0.01% FP) | O(n) scan | O(1) | ∞ | | Pubkey cache (897-byte Falcon key, DashMap) | Re-derive every tx | O(1) after 1st | High on busy blocks | | Rayon thread pool (physical vs logical CPUs) | Logical cores | Physical cores | +15% crypto throughput | | zstd block compression | 2 MB/block | 500 KB/wire | 4× bandwidth | | bincode serialization | JSON baseline | 22% smaller, 8× faster | 8× |

Transaction Types

TransactionType::Transfer                              // Value transfer
TransactionType::TimeLockTransfer { unlock_height }    // Cryptographic Escrow/Vaulting
TransactionType::MultiSigTransfer { signers_required } // Institutional native multisig

Wallet Features

• Standard Wallet: Single Falcon-512 keypair, Kyber-1024 encrypted storage
• HD Wallet: BIP39 24-word mnemonic + BIP32 derivation with Falcon-512 keys
• Multisig: M-of-N Falcon-512 threshold signatures for treasury and team wallets
• Treasury Multisig (3-of-5): Live — ms69216b1d10425689704d5ae3b2a4aa17049f59b1. Any 3 of 5 keyholders must sign a spend. Address hardcoded in consensus, cannot be redirected by node operators.
• Address Format: 0x + hex(SHA3-256(pubkey)[:20]) for single-key; ms + hex(SHA3-256(sorted_pubkeys)) for multisig

REST API Endpoints (Port 7777)

# Node health
curl http://localhost:7777/health

# Get block by height
curl http://