What is Arcana x402?
Arcana x402 is a multi-agent crypto intelligence platform that combines AI orchestration with blockchain-based micropayments. Built on Base Sepolia, it enables users to access specialized crypto data agents through a simple chat interface - paying only for what they use.How it Works
- Connect Your Wallet - Link your Base Sepolia wallet with test USDC
- Ask Questions - Chat naturally about crypto prices, yields, NFTs, news, and more
- Pay Per Query - Each query costs $0.03 USDC, verified on-chain
- Get Intelligent Answers - Gemini AI orchestrates specialized agents to answer your question
All payments use test USDC on Base Sepolia testnet. This is a demonstration platform for hackathon purposes.
Key Features
Paid Query System
Every chat query requires a $0.03 USDC payment on Base Sepolia, verified on-chain before processing.
Multi-Agent Intelligence
Access 7 specialized agents: Price Oracle, Chain Scout, News Scout, Yield Optimizer, Tokenomics Analyzer, NFT Scout, and Perp Stats.
x402 Protocol
Internal tool calls use HTTP 402 payment-required flow with automatic retry after payment settlement.
Policy Controls
Built-in spend limits, freeze controls, and allowlists for safe agent operation.
Available Agents
The platform includes seven specialized agents, each priced individually:| Agent | Price | Description |
|---|---|---|
| Price Oracle | $0.01 | Real-time token prices via CoinGecko |
| Chain Scout | $0.01 | On-chain analytics and wallet tracking |
| News Scout | $0.01 | Latest crypto news and trends |
| Yield Optimizer | $0.01 | DeFi yield opportunities across protocols |
| Tokenomics Analyzer | $0.02 | Token economics and distribution analysis |
| NFT Scout | $0.02 | NFT collection stats and floor prices |
| Perp Stats | $0.02 | Perpetual futures market data |
Architecture Overview
Arcana x402 consists of three main components:- Frontend (React + Vite) - Chat interface with wallet connection and payment handling
- Backend (Express + TypeScript) - Gemini orchestration, x402 payment verification, and agent routing
- Smart Contracts (Foundry) - PolicyVault, Escrow, and AgentRegistry on Base Sepolia
Get Started
Prerequisites
Set up your wallet, get test tokens, and prepare your environment
Quickstart
Make your first paid query in under 5 minutes
What You’ll Need
Before diving in, make sure you have:- A Web3 wallet (MetaMask recommended)
- Base Sepolia testnet ETH for gas
- Base Sepolia test USDC for queries
- A modern web browser
New to Base Sepolia? Don’t worry - our quickstart guide walks you through getting testnet tokens from faucets.