Modules - Opacus Protocol

Core Protocol v1.0.5 - PRODUCTION

Foundation cryptographic and networking primitives for secure agent communication

Cryptography

Ed25519 + X25519 Cryptography - Signing and encryption keys for secure agent identities
ECDH Key Exchange - Secure shared secret derivation between agents
Nonce-based Anti-Replay - Protection against replay attacks with monotonic nonces

Data Encoding

CBOR Binary Framing - Efficient serialization format for message encoding

Transport Layer

WebSocket Support - Real-time bidirectional communication
WebTransport Support - HTTP/3 based modern transport with lower latency

                    
import { OpacusClient } from 'opacus-sdk';

const client = new OpacusClient({
  transport: 'websocket', // or 'webtransport'
  encryption: true,
  antiReplay: true
});

// Send encrypted message
await client.send({
  to: 'did:opacus:h3:8c2a1072b181fff:0x123...',
  payload: { type: 'request', data: 'example' }
});
                    
                

H3-DAC Agent Identity v1.0.5 - PRODUCTION

Blockchain-verified agent identities with geospatial indexing and reputation system

Identity & Discovery

H3 Geospatial Indexing - Location-based agent discovery using Uber's H3 hexagonal grid system
On-Chain Agent Registry - Blockchain-verified agent identities on 0G Chain
DID Standard - Decentralized identifiers: did:opacus:h3:<h3Index>:<address>
Capability Discovery - Search agents by skills, abilities, and service types

Security & Authentication

Challenge/Response Auth - Mutual agent authentication protocol with cryptographic proof
Key Rotation - Secure key management with 24-hour cooldown period

Trust System

Reputation System - Trust scoring from 0-100 based on successful interactions

                    
import { H3AgentRegistry, AgentDiscovery } from 'opacus-sdk';

// Register agent with H3 location
const registry = new H3AgentRegistry({
  chainId: 16661, // 0G Mainnet
  privateKey: process.env.PRIVATE_KEY
});

const agent = await registry.registerAgent({
  h3Index: "8c2a1072b181fff", // San Francisco
  capabilities: ["trading", "data-analysis", "market-making"],
  metadata: {
    name: "TradingBot Alpha",
    version: "1.0.0",
    endpoint: "wss://agent.example.com"
  }
});

console.log('Agent DID:', agent.did);
// did:opacus:h3:8c2a1072b181fff:0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb

// Discover nearby agents
const discovery = new AgentDiscovery();
const nearbyAgents = await discovery.findAgents({
  h3Index: "8c2a1072b181fff",
  radius: 5, // H3 rings
  capabilities: ["trading"],
  minReputation: 80
});

console.log(`Found ${nearbyAgents.length} trusted trading agents nearby`);
                    
                

Blockchain & Payments v1.0.5 - PRODUCTION

Multi-chain support with integrated payment infrastructure and OpacusPay

Chain Integration

0G Chain Integration - Native support for 0G network with 50+ GB/s throughput
Multi-Chain Ready - EVM-compatible chain support (Ethereum, Base, Polygon, Arbitrum, etc.)

Data Channels (DAC)

DAC Management - Data Access Consortium creation and subscription management
Micropayment Escrow - Built-in payment support with stake requirements

OpacusPay Payment System

HTTP Payment Protocol - Pay-per-request API calls with X-402 standard
Gasless Transactions - Relayer-sponsored payments for better UX
Micropayment Support - As low as $0.000001 per request with ZK batching

                    
import { OpacusClient, OpacusPay, DACManager } from 'opacus-sdk';

// Initialize with 0G Chain
const client = new OpacusClient({
  chainId: 16661, // 0G Mainnet
  rpcUrl: 'https://evmrpc.0g.ai',
  privateKey: process.env.PRIVATE_KEY
});

// Create DAC with payment
const dacManager = new DACManager(client);
const dac = await dacManager.createDAC({
  name: "Premium Market Data Feed",
  stakeRequired: "0.01", // 0G tokens
  pricePerMessage: "0.000001" // USDC
});

console.log('DAC Address:', dac.address);

// OpacusPay - Pay for API call
const opacusPay = new OpacusPay({
  chainId: 16661,
  privateKey: process.env.PRIVATE_KEY,
  gaslessMode: true // Use relayer
});

const response = await opacusPay.payAndRequest({
  endpoint: "https://api.premium-data.com/market",
  payment: {
    amount: "0.000001",
    token: "USDC"
  }
});

console.log('Data received:', response.data);
                    
                

Advanced Performance Modules Q1 2026 - IN DEVELOPMENT

Next-generation performance primitives currently in active development

Network Optimization

QUIC Kernel Bypass (eBPF) - Sub-100μs latency with XDP packet processing and zero-copy I/O
Intent DAG Streams - Directed acyclic graph for agent intent propagation and ordering

Cryptographic Acceleration

BLS Signature Streaming - Aggregatable signatures with 1000:1 compression ratio
GPU-Accelerated Verification - 100,000+ signatures/second batch verification using CUDA

State & Consensus

CRDT State Management - Conflict-free replicated data types for distributed agent state

Zero-Knowledge

zkOracle Pricing - Privacy-preserving price feeds with zk-SNARKs (hides intent from mempool)

                    
// Coming in Q1 2026
import { 
  QUICKernelBypass, 
  BLSStreaming, 
  GPUVerifier,
  CRDTState,
  zkOracle,
  IntentDAG 
} from 'opacus-sdk/experimental';

const agent = new OpacusAgent({
  transport: new QUICKernelBypass({
    ebpfMode: true,        // XDP kernel bypass
    zeroCopy: true         // Zero-copy I/O
  }),
  crypto: {
    bls: new BLSStreaming(),
    verifier: new GPUVerifier({
      device: 'cuda:0',
      batchSize: 10000
    })
  },
  state: new CRDTState({
    type: 'lww-map'        // Last-write-wins
  }),
  oracle: new zkOracle({
    prover: 'groth16'
  })
});

// Intent DAG execution (hidden from mempool)
const dag = new IntentDAG();
const intent = dag.createIntent({
  type: 'arbitrage',
  zkProof: true              // Hide strategy
});

await agent.executeIntent(intent);
                    
                

Complete Module Integration

Example of combining all production modules for a fully-featured autonomous agent

                    
import { 
  OpacusClient, 
  H3AgentRegistry,
  AgentDiscovery,
  DACManager,
  OpacusPay
} from 'opacus-sdk';

// Initialize full-stack agent with all production modules
const client = new OpacusClient({
  // Core Protocol
  transport: 'webtransport',     // HTTP/3 transport
  encryption: true,               // Ed25519 + X25519
  antiReplay: true,               // Nonce-based protection
  
  // Blockchain
  chainId: 16661,                 // 0G Mainnet
  rpcUrl: 'https://evmrpc.0g.ai',
  privateKey: process.env.PRIVATE_KEY
});

// H3-DAC Agent Identity - Register on-chain
const registry = new H3AgentRegistry(client);
await registry.registerAgent({
  h3Index: "8c2a1072b181fff",    // San Francisco
  capabilities: ["trading", "market-making", "analytics"],
  metadata: {
    name: "Advanced Trading Agent",
    version: "2.0.0",
    endpoint: "wss://agent.trading.ai"
  }
});

// Discover trusted peers
const discovery = new AgentDiscovery(client);
const peers = await discovery.findAgents({
  capabilities: ["data-provider"],
  minReputation: 85,
  radius: 10
});

console.log(`Found ${peers.length} trusted data providers`);

// Create paid data channel (DAC)
const dacManager = new DACManager(client);
const dataChannel = await dacManager.createDAC({
  name: "Real-Time Market Data",
  stakeRequired: "0.05",
  pricePerMessage: "0.00001"
});

// Subscribe to data with OpacusPay
const opacusPay = new OpacusPay({
  chainId: 16661,
  privateKey: process.env.PRIVATE_KEY,
  gaslessMode: true              // Relayer pays gas
});

const subscription = await dacManager.subscribe({
  dacAddress: dataChannel.address,
  payment: opacusPay
});

// Listen for real-time data with automatic payment
subscription.on('message', async (msg) => {
  console.log('Market update:', msg.data);
  // Payment processed automatically via OpacusPay
  
  // Execute trading logic
  if (msg.data.signal === 'buy') {
    await executeTrade(msg.data);
  }
});

// Challenge/Response authentication with peer
const peer = peers[0];
const authResult = await client.authenticate(peer.did);
console.log('Peer authenticated:', authResult.verified);
console.log('Peer reputation:', authResult.reputation);
                    
                

Version History & Roadmap

v1.0.5 (Current - November 2025)

Package renamed to opacus-sdk
Enhanced OpacusPay integration
Improved H3-DAC documentation
Bug fixes and performance improvements

v1.0.3 (November 2025)

H3-DAC Agent Identity system launch
Geospatial agent discovery with H3 indexing
On-chain agent registry on 0G Chain
Reputation scoring (0-100)
OpacusPay micropayment protocol
Gasless transaction support
Challenge/Response authentication
Key rotation with cooldown

v1.0.0 (September 2025)

Core protocol launch
Ed25519 + X25519 cryptography
ECDH key exchange
Nonce-based anti-replay protection
CBOR binary framing
WebSocket & WebTransport support
0G Chain integration
Multi-chain EVM support
DAC management system

Roadmap (Q1-Q2 2026)

Q1 2026 🚧 IN PROGRESS:
- QUIC kernel bypass with eBPF/XDP
- BLS signature streaming
- GPU-accelerated verification (CUDA)
- CRDT state management
- Intent DAG streams
- zkOracle privacy-preserving pricing
Q2 2026 📋 PLANNED:
- Multi-GPU verification cluster
- DAG mempool optimization
- Agent marketplace launch
- Enterprise key vault integration
- Developer grant program

Module Quick Reference

Direct links to specific module documentation

Core Protocol

Cryptography, Transport, CBOR

Learn More →

H3-DAC Identity

Agent Registry, Discovery, DID

Learn More →

Payments

OpacusPay, DAC, Micropayments

Learn More →

Advanced Features

QUIC, BLS, GPU, CRDT, zkOracle

Q1 2026 Roadmap →

Opacus Modules

Core Protocol v1.0.5 - PRODUCTION

Cryptography

Data Encoding

Transport Layer

H3-DAC Agent Identity v1.0.5 - PRODUCTION

Identity & Discovery

Security & Authentication

Trust System

Blockchain & Payments v1.0.5 - PRODUCTION

Chain Integration

Data Channels (DAC)

OpacusPay Payment System

Advanced Performance Modules Q1 2026 - IN DEVELOPMENT

Network Optimization

Cryptographic Acceleration

State & Consensus

Zero-Knowledge

Complete Module Integration

Version History & Roadmap

v1.0.5 (Current - November 2025)

v1.0.3 (November 2025)

v1.0.0 (September 2025)

Roadmap (Q1-Q2 2026)

📚 Additional Resources

Module Quick Reference

Core Protocol

H3-DAC Identity

Payments

Advanced Features