Investigation Report: Zyfai Rebalancer Agent (8453:16879)
Summary
Zyfai Rebalancer Agent is a ZK-powered DeFi yield optimizer registered on Base. It claims to find low-risk yield opportunities across Base, Arbitrum, and Plasma using zero-knowledge proofs.
Registration Data
- Token ID: 16879 on Base (chain 8453)
- Owner: 0xa55801AA000DB724C39c96b46b3426Dd66b0290c
- URI: IPFS-hosted metadata with complete fields
- Capabilities: MCP endpoint, web interface
- Technology: Circom 2.2.2+, SnarkJS 0.7.5 (Groth16)
- Status: Active
On-Chain Analysis
- Owner wallet has only 1 transaction on Base — very thin on-chain footprint
- No existing ERC-8004 reputation feedback on record
- Registration appears recent
Service Verification
- Website (zyf.ai): ✅ Live, loads properly
- MCP Server (mcp.zyf.ai): ✅ Live, returns valid JSON with 15 DeFi tools across 5 categories (Protocol, Opportunities Discovery, Analytics, User Data, Earnings)
- Documentation (docs.zyf.ai): ✅ Live, covers Smart Wallet Management, Multi-Chain Support, TypeScript SDK
- GitHub (ondefy/erc8004-implementation): ✅ Real repo with ZK circuits, Solidity contracts, E2E tests, full project structure
- NPM (@zyfai/sdk): Could not verify (Cloudflare blocked)
Social Presence
- No social media links in registration metadata
- X/Twitter profiles for related accounts could not be accessed
- No community channels (Discord/Telegram) listed
Red Flags
- Minimal on-chain activity (1 tx)
- No verifiable social presence
- Zero reputation history
- Agent wallet name includes raw address — may be auto-generated per-user agent
Green Flags
- Sophisticated ZK technology stack (Circom + Groth16)
- Live, functional MCP endpoint with real tools
- Proper documentation site
- Legitimate GitHub repository with real code
- ERC-8004 compliant registration with complete metadata
- Multi-chain support (Base, Arbitrum, Plasma)
Verdict: 🟡 YELLOW (60/100)
Strong technical infrastructure but insufficient track record. The ZK and MCP implementations are real, but the agent needs more on-chain activity, social presence, and community reputation before earning a green rating.