AgentLink - Multi-Round AI Consensus Engine

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🎯 Overview

AgentLink is a decentralized AI consensus service that enables autonomous agents and users to purchase crypto market analysis through blockchain-verified payments on Cronos.

The Problem

• 🔴 Single AI models produce unreliable and biased predictions
• 🔴 Centralized services require subscriptions, accounts, and trust
• 🔴 No true autonomous machine-to-machine economy exists

The Solution

• ✅ Multi-Round AI Deliberation: 2 specialized AI models debate and reach consensus
• ✅ Dual Access Modes: CLI agents (x402 protocol) + Web interface (MetaMask)
• ✅ Trustless Payments: On-chain verification, no intermediaries
• ✅ Full Transparency: See every model's reasoning and confidence evolution

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✨ Features

🤖 Multi-Round AI Consensus

Round 1: Independent Analysis

• 🧠 Llama 3.3 70B Strategist - Long-term strategic perspective
• ⚡ Llama 3.1 8B Tactician - Short-term tactical assessment
• Each model analyzes independently to avoid groupthink

Round 2: Peer Review & Cross-Examination

• Models critique each other's analysis
• Confidence scores adjust based on debate
• Positions may shift after examining peer reasoning

Final Consensus

• Weighted voting by confidence scores
• Agreement percentage calculation
• Evolution tracking (positions changed or consistent)

💳 Dual Payment Modes

Mode 1: CLI Agent (True x402 Protocol)

node agent.js BTC

• ✅ Uses Crypto.com Facilitator SDK
• ✅ EIP-3009 authorization messages
• ✅ Pure machine-to-machine transactions
• ✅ HTTP 402 "Payment Required" standard

Mode 2: Web Dashboard (User-Friendly)

• ✅ Connect any Web3 wallet (MetaMask)
• ✅ Type token symbol (BTC, ETH, CRO, etc.)
• ✅ Pay 0.01 USDC directly from your wallet
• ✅ Get instant AI consensus with live visualization

🔗 Cronos Ecosystem Integration

Component	Purpose	Status
Crypto.com Exchange API	Real-time market data	✅ Integrated
Cronos Testnet	On-chain payment settlement	✅ Integrated
Groq AI	High-performance LLM inference	✅ Integrated
HTTP 402 Protocol	Payment negotiation standard	✅ Implemented

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🚀 Quick Start

Prerequisites

• Node.js 18+
• MetaMask wallet (for web mode)
• Cronos Testnet TCRO & devUSDC

Get Testnet Funds:

• Faucet: https://faucet.cronos.org
• You'll need TCRO for gas and devUSDC for payments

Installation

# Clone the repository
git clone https://github.com/yourusername/agentlink.git
cd agentlink

# Install server dependencies
cd seller
npm install

# Install agent dependencies
cd ../buyer
npm install

Environment Setup

Create .env file in the seller directory:

# Server Configuration
SELLER_WALLET=0xYourSellerWalletAddress
GROQ_API_KEY=gsk_YourGroqAPIKey

Create .env file in the buyer directory:

# Agent Configuration
BUYER_PRIVATE_KEY=0xYourBuyerPrivateKey

Get API Keys:

• Groq API: https://console.groq.com/keys (Free tier available)
• Cronos Testnet Faucet: https://faucet.cronos.org

Running Locally

1. Start the Server

cd seller
node server.js

Server runs on http://localhost:3000

Expected Output:

======================================================================
🟢 AGENTLINK PRO - DUAL-MODE CONSENSUS ENGINE
======================================================================
   🌐 Port: 3000
   💰 Price: 0.01 USDC per multi-round analysis
   📬 Seller: 0x706f...abf3
   
   🤖 AI COUNCIL (2 Specialized Agents):
      • Llama 3.3 70B Strategist - Deep Analysis (long-term)
      • Llama 3.1 8B Tactician - Rapid Technical Assessment (short-term)

2A. CLI Agent Mode (x402 Protocol)

cd buyer
node agent.js BTC

What happens:

1. 🔍 Agent requests Bitcoin analysis
2. 🛑 Receives HTTP 402 "Payment Required"
3. 💳 Uses Facilitator SDK to settle 0.01 USDC on-chain
4. 📜 Presents transaction hash as cryptographic proof
5. 🤖 Receives multi-round AI consensus

2B. Web Dashboard Mode

1. Open seller/dashboard.html in your browser
2. Click "Connect Wallet"
3. Approve MetaMask connection
4. Type token symbol (e.g., ETH)
5. Click "Analyze Token"
6. Approve 0.01 USDC transaction in MetaMask
7. Watch AI consensus appear in real-time!

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📊 Demo

Terminal Output (CLI Agent)

🤖 AGENTLINK BUYER AGENT
======================================================================
   Wallet: 0x41c650f5...43eae48
   Target: BTC
   Service: Multi-Round AI Consensus
======================================================================

1️⃣  REQUESTING INTELLIGENCE...
   🛑 402 Payment Required
   💰 Amount: 0.01 USDC
   📬 Pay to: 0x706f6108...53f7abf3

2️⃣  INITIATING PAYMENT SETTLEMENT...
   ⚙️  Submitting to Facilitator...
   ✅ Payment Settled!
   🔗 Tx: 0xc4323812adabafcab080ab802efb171eb5e830d6

3️⃣  REDEEMING SERVICE WITH PROOF...

======================================================================
🎉 MULTI-ROUND CONSENSUS ACQUIRED
======================================================================

📊 MARKET DATA (CoinGecko API):
   Token: BTC
   Price: $92,350
   24h Change: -1.2%
   Volume: $39,037,590,946

🤖 FINAL CONSENSUS:
   Signal: HOLD
   Agreement: 100%
   Confidence: 72%
   Rounds: 2
   Evolution: consistent
   Votes: BUY=0, SELL=0, HOLD=2

💡 ROUND 1 - Independent Analysis:
   • Llama 3.3 70B Strategist (long-term):
     HOLD (70%) - Price consolidating near key support levels with neutral momentum indicators

   • Llama 3.1 8B Tactician (short-term):
     HOLD (75%) - Technical indicators show balanced pressure with no clear directional bias

💡 ROUND 2 - Peer Review & Refinement:
   • Llama 3.3 70B Strategist (long-term):
     HOLD (72%) - After reviewing tactical analysis, maintaining position with slight confidence increase

   • Llama 3.1 8B Tactician (short-term):
     HOLD (73%) - Peer strategic analysis confirms neutral stance in current market conditions

📝 SUMMARY:
   ⏸️ HOLD - After 2 rounds of deliberation, our AI council reached 100% consensus 
   on BTC at $92350.00 (down 1.20%). Final confidence: 72%. 
   Analysis remained consistent across both rounds.

Web Dashboard

Features:

• 🎨 Cyberpunk-themed interface
• 📊 Real-time activity log
• 💹 Live market data display
• 🤖 AI model reasoning visualization
• 🎯 Consensus signal with confidence meters
• 👛 Wallet integration with balance display

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🏗️ Architecture

┌─────────────────────────────────────────────────────────────┐
│                     USER INTERFACE                          │
│  ┌──────────────────┐          ┌──────────────────┐        │
│  │   CLI Agent      │          │  Web Dashboard   │        │
│  │  (agent.js)      │          │ (dashboard.html) │        │
│  │                  │          │                  │        │
│  │ • Facilitator SDK│          │ • MetaMask       │        │
│  │ • EIP-3009       │          │ • Direct Transfer│        │
│  └─────────┬────────┘          └────────┬─────────┘        │
└────────────┼──────────────────────────┼──────────────────┘
             │                          │
             │    HTTP 402 Protocol     │
             │                          │
             └──────────┬───────────────┘
                        ▼
        ┌───────────────────────────────────────┐
        │         SERVER (server.js)            │
        │                                       │
        │  ┌─────────────────────────────────┐ │
        │  │   x402 Payment Middleware       │ │
        │  │  • Detect payment method        │ │
        │  │  • Verify on-chain transaction  │ │
        │  │  • Support dual modes           │ │
        │  └─────────────────────────────────┘ │
        │                                       │
        │  ┌─────────────────────────────────┐ │
        │  │   Multi-Round AI Engine         │ │
        │  │  • Round 1: Independent Analysis│ │
        │  │  • Round 2: Peer Review         │ │
        │  │  • Weighted Consensus           │ │
        │  └─────────────────────────────────┘ │
        │                                       │
        │  ┌─────────────────────────────────┐ │
        │  │   Data Sources                  │ │
        │  │  • Crypto.com Exchange API      │ │
        │  │  • CoinGecko API (fallback)     │ │
        │  └─────────────────────────────────┘ │
        └───────────────┬───────────────────────┘
                        │
                        ▼
        ┌───────────────────────────────────────┐
        │       BLOCKCHAIN LAYER                │
        │                                       │
        │  • Cronos Testnet (Chain ID: 338)    │
        │  • devUSDC ERC-20 Token               │
        │  • Payment Verification               │
        │  • Transaction Receipts               │
        └───────────────────────────────────────┘
                        │
                        ▼
        ┌───────────────────────────────────────┐
        │         AI INFERENCE                  │
        │                                       │
        │  • Groq Cloud API                     │
        │  • Llama 3.3 70B Versatile            │
        │  • Llama 3.1 8B Instant               │
        └───────────────────────────────────────┘

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💡 Innovation Highlights

1. Multi-Round Deliberative Consensus

Unlike simple multi-model voting, AgentLink implements true AI deliberation:

Round	Purpose	Innovation
Round 1	Independent Analysis	Models work separately to avoid groupthink and bias
Round 2	Peer Review	Models critique each other and adjust confidence based on debate
Final	Weighted Consensus	Voting weighted by confidence, with transparency on evolution

Why This Matters:

• Single AI models hallucinate and have biases
• Simple averaging loses nuance
• Deliberation produces more reliable consensus
• Similar to how expert committees work in finance

2. Dual Payment Architecture

One Service, Two Access Methods:

Mode	Use Case	Technology	User Type
CLI	Autonomous agents	Facilitator SDK + EIP-3009	Machines
Web	Human users	MetaMask + Direct Transfer	Humans

Both use the same backend and same AI consensus engine.

3. On-Chain Verification

Every payment is cryptographically verified:

// Server verifies ERC-20 Transfer event
Transfer(from: userWallet, to: sellerWallet, amount: 10000)

// Checks:
✓ Transaction succeeded (status === 1)
✓ Correct token (devUSDC)
✓ Correct recipient (seller wallet)
✓ Sufficient amount (>= 0.01 USDC)

No trusted intermediaries. Pure trustless commerce.

4. Complete Transparency

Users see everything:

• ✅ Each model's independent reasoning (Round 1)
• ✅ Each model's peer review analysis (Round 2)
• ✅ Confidence scores for every analysis
• ✅ How positions evolved through debate
• ✅ Final weighted voting breakdown
• ✅ Market data sources

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📁 Project Structure

agentlink/
│
├── seller/
│   ├── server.js              # Main server with dual-mode payment
│   ├── dashboard.html         # Web interface (single file)
│   ├── package.json          # Server dependencies
│   └── .env                  # Environment variables (not in git)
│
├── buyer/
│   ├── agent.js              # CLI agent with Facilitator SDK
│   ├── package.json          # Agent dependencies
│   └── .env                  # Buyer private key (not in git)
│
├── README.md                 # This file
├── .gitignore               # Git ignore rules
└── LICENSE                   # MIT License

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🔧 API Reference

Endpoint: GET /api/analyze/:token

Analyze a cryptocurrency and get multi-round AI consensus.

Parameters

Parameter	Type	Location	Description
token	string	URL path	Token symbol (e.g., BTC, ETH, CRO)
x-payment-hash	string	Header	Transaction hash proving payment
x-user-address	string	Header	Sender wallet address (web mode only)

Response (402 Payment Required)

{
  "error": "Payment Required",
  "schemes": [{
    "network": "cronos-testnet",
    "currency": "USDC",
    "amount": "10000",
    "to": "0x706f61089d8a9c1aaa3b80e8caa6f38853f7abf3",
    "token": "0xc01efAaF7C5C61bEbFAeb358E1161b537b8bC0e0"
  }],
  "pay_to": "0x706f61089d8a9c1aaa3b80e8caa6f38853f7abf3",
  "currency": "USDC",
  "amount": "10000",
  "token": "0xc01efAaF7C5C61bEbFAeb358E1161b537b8bC0e0"
}

Response (200 OK)

{
  "success": true,
  "token": "BTC",
  "source": "CoinGecko API",
  "market_stats": {
    "price": 92350,
    "volume": 39037590946,
    "change": -1.2
  },
  "ai_consensus": {
    "signal": "HOLD",
    "agreement": "100%",
    "confidence": "72%",
    "votes": { "BUY": 0, "SELL": 0, "HOLD": 2 },
    "rounds": 2,
    "evolution": "consistent",
    "summary": "⏸️ HOLD - After 2 rounds of deliberation..."
  },
  "analyses_by_round": {
    "round_1": [
      {
        "round": 1,
        "model": "Llama 3.3 70B Strategist",
        "perspective": "long-term",
        "signal": "HOLD",
        "confidence": 70,
        "reason": "Price consolidating near key support levels"
      },
      {
        "round": 1,
        "model": "Llama 3.1 8B Tactician",
        "perspective": "short-term",
        "signal": "HOLD",
        "confidence": 75,
        "reason": "Technical indicators show neutral momentum"
      }
    ],
    "round_2": [
      {
        "round": 2,
        "model": "Llama 3.3 70B Strategist",
        "perspective": "long-term",
        "signal": "HOLD",
        "confidence": 72,
        "reason": "After review, maintaining position with adjusted confidence"
      },
      {
        "round": 2,
        "model": "Llama 3.1 8B Tactician",
        "perspective": "short-term",
        "signal": "HOLD",
        "confidence": 73,
        "reason": "Peer analysis confirms neutral stance"
      }
    ]
  },
  "served_by": "AgentLink Pro - Multi-Round Deliberative Consensus",
  "timestamp": "2026-01-08T20:30:45.123Z"
}

Endpoint: GET /logs

Get real-time system activity logs.

Response

[
  {
    "time": "8:30:45 pm",
    "type": "PAID",
    "agent": "0x41c650f5...43eae48",
    "message": "✅ Verified"
  },
  {
    "time": "8:30:44 pm",
    "type": "VERIFY",
    "agent": "System",
    "message": "Checking 0xc4323812... from 0x41c650f5..."
  }
]

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🌐 Deployment

Backend Deployment (Render)

1. Push to GitHub:

   git init
   git add .
   git commit -m "Initial commit"
   git push origin main

1. Deploy on Render:

   • Go to https://render.com
   • Click "New +" → "Web Service"
   • Connect your GitHub repository
   • Configure:
     • Name: agentlink-server
     • Environment: Node
     • Build Command: npm install
     • Start Command: node server.js
     • Instance Type: Free

2. Set Environment Variables:

   • SELLER_WALLET=0xYourAddress
   • GROQ_API_KEY=gsk_YourKey

3. Deploy! Your API will be at: https://agentlink-server.onrender.com

Frontend: Use Vercel for frontend hosting.

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🧪 Testing

Test CLI Agent

# Test different tokens
cd buyer
node agent.js BTC   # Bitcoin
node agent.js ETH   # Ethereum
node agent.js CRO   # Cronos
node agent.js SOL   # Solana
node agent.js PEPE  # Pepe (meme coin)

Test Web Dashboard

1. Ensure MetaMask is connected to Cronos Testnet
2. Have at least 0.05 devUSDC in your wallet
3. Open dashboard in browser
4. Connect wallet
5. Try analyzing multiple tokens

Supported Tokens

Token	Name	Market Cap
BTC	Bitcoin	$1.8T
ETH	Ethereum	$400B
CRO	Cronos	$3B
SOL	Solana	$70B
BNB	Binance Coin	$90B
ADA	Cardano	$30B
DOT	Polkadot	$10B
PEPE	Pepe	$8B
MATIC	Polygon	$7B

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🔐 Security Notes

Best Practices

• ✅ Never commit .env files to Git
• ✅ Use .gitignore to exclude sensitive files
• ✅ Private keys should only be used in CLI mode
• ✅ Always verify smart contract addresses
• ✅ Test thoroughly on testnet before mainnet

Smart Contract Addresses (Cronos Testnet)

Contract	Address
devUSDC	0xc01efAaF7C5C61bEbFAeb358E1161b537b8bC0e0
RPC URL	https://evm-t3.cronos.org
Chain ID	338
Explorer	https://explorer.cronos.org/testnet

Rate Limiting

The server implements basic rate limiting:

• Maximum 50 logs stored
• Payment verification retries: 5 attempts
• Retry delay: 2 seconds

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🤝 Contributing

We welcome contributions! Here's how:

How to Contribute

1. Fork the repository
2. Create a feature branch:

   git checkout -b feature/amazing-feature

1. Commit your changes:

   git commit -m 'Add amazing feature'

1. Push to your branch:

   git push origin feature/amazing-feature

1. Open a Pull Request

Areas for Contribution

• 🤖 Additional AI models integration
• 🎨 UI/UX improvements
• 📊 Data source integrations
• 🧪 Testing and documentation
• 🔒 Security audits

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📄 License

This project is licensed under the MIT License.

MIT License

Copyright (c) 2026 AgentLink

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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Integration Checklist

• Crypto.com Exchange API for market data
• Cronos Testnet for blockchain settlement
• HTTP 402 protocol implementation
• Facilitator SDK integration
• Multi-round AI consensus
• Dual access modes (CLI + Web)

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🙏 Acknowledgments

Special thanks to:

• Crypto.com - For the Exchange API and Facilitator SDK
• Cronos - For the blockchain infrastructure and testnet
• Groq - For high-performance AI inference
• Anthropic - For AI model development and training
• The Hackathon Organizers - For this amazing opportunity

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📞 Contact

Developers

• GitHub: @mandip
• Twitter: @mandip_twtt
• Email: [email protected]

Support

Found a bug? Have a feature request?

• 🐛 Open an Issue
• 💬 Start a Discussion
• 📧 Email us at: [email protected]

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📈 Stats

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