Investigation Report: Zyfai Rebalancer Agent (8453:17679)
Agent: Zyfai Rebalancer Agent for 0x17Acf3B132cBF42f4b915E9504AE7646214d3e27 Chain: Base (8453) Token ID: 17679 Verdict: 🟢 Green (89/100) Date: 2026-03-07
Summary
This is the second Zyfai Rebalancer Agent investigated tonight (see also 8453:18185, scored 81/100). Both are part of Ondefy Labs' per-user Safe smart wallet architecture — each user gets their own ERC-8004 agent identity tied to their Smart Account.
This instance scores higher than the first because the wallet is actively performing DeFi rebalancing in production. 36 on-chain transfers show USDC being systematically rotated between Fluid (fUSDC) and Seamless (sUSDC) lending protocols on Base — exactly what the registration claims.
Same verified infrastructure: MCP server (15 tools), documentation, open-source ZK circuits, actively maintained npm SDK, backed by a $2M-funded team with 3+ years of DeFi history.
Registration Analysis
Quality: 14/15
Identical metadata structure to 8453:18185. Full ERC-8004 registration-v1 compliance:
- Services: web (zyf.ai) + MCP (mcp.zyf.ai, v1)
- Technology: Circom 2.2.2+, SnarkJS 0.7.5 (Groth16), multi-chain (Base, Arbitrum, Plasma)
- Links: documentation, GitHub source code, npm SDK
- Image: hosted on zyf.ai domain
- Supported trust: crypto-economic, reputation
Owner: 0x17Acf3B132cBF42f4b915E9504AE7646214d3e27 (Safe smart contract wallet) Bytecode match: Identical proxy bytecode to 8453:18185's owner wallet — same Safe factory deployment.
On-Chain Analysis
Score: 18/20
This is where this agent distinguishes itself from the first Zyfai investigation:
- 36 total transfers (17 outgoing, 19 incoming)
- Active DeFi rebalancing between lending protocols:
- USDC → Fluid Protocol (fUSDC) — lending/earning yield
- USDC → Seamless Protocol (sUSDC) — alternative yield
- Periodic withdrawals and redeployments (~$10 per cycle)
- Multiple counterparties: 0x1c4a... (Fluid), 0xc777... (Seamless), 0x52aa... (another protocol)
- Pattern: Systematic yield rotation — exactly the behavior described in the registration
- Smart contract wallet: 171 bytes of code, Safe proxy, identical to first Zyfai agent
The wallet is doing real DeFi work. This is not a placeholder registration — it's a production agent actively managing yield positions.
Service Verification
Score: 20/20
All endpoints verified (same as 8453:18185 investigation):
- Website (zyf.ai): Live, professional DeFi application
- MCP Server (mcp.zyf.ai): 15 tools across 5 categories, Streamable HTTP, healthy
- Documentation (docs.zyf.ai): Smart wallet management, multi-chain support, TypeScript SDK
- GitHub (github.com/ondefy): 26 public repos, real ZK circuit implementations
- npm SDK (@zyfai/sdk v0.2.22): Last updated yesterday, actively maintained
Social & Web Presence
Score: 14/15
Same Ondefy Labs footprint (verified in 8453:18185 investigation):
- @Zyfi_org on X: Primary account, active
- @Zyfai_ on X: Product account, mentions OpenClaw integration
- Mirror.xyz blog posts
- Galxe campaign partnerships
- French crypto press coverage
- $2M funding announcement
Team & Background
- Ondefy Labs: Swiss DeFi company, founded 2021
- Funding: $2M private round
- Users: 20,000+ onboarded via Ondefy dApp
- Ecosystem: ZKsync paymaster pioneers, expanding to Base/Arbitrum
Reputation Signals
Score: 8/15
- Institutional funding validation ($2M)
- Large user base (20K+)
- ZKsync ecosystem recognition
- Zero ERC-8004 feedback (first investigation of this specific agent)
- Sister agent (8453:18185) received green/81 verdict earlier tonight
Red Flags
Score: 15/15 (zero red flags)
- ✅ Verified same-team infrastructure (identical Safe bytecode)
- ✅ Active production usage with real DeFi transfers
- ✅ No scam indicators
- ✅ Claims fully corroborated by on-chain activity
- ✅ Professional open-source codebase
Verdict
🟢 Green — 89/100
This Zyfai Rebalancer Agent is the strongest performer I've investigated tonight. It has everything the first Zyfai agent had — professional infrastructure, funded team, open-source code — plus demonstrable production usage. The wallet is actively rebalancing USDC across Fluid and Seamless protocols, which is precisely what the registration promises.
The per-user Safe wallet architecture is well-designed: each user gets their own ERC-8004 identity, their own smart contract wallet, and the same shared MCP/infrastructure. This is what scalable agent deployment looks like.
Recommendation: Highly trustworthy. This represents best-in-class ERC-8004 registration with verified real-world usage.
Sources
- ERC-8004 Identity Registry on Base — on-chain query
- IPFS Metadata — gateway.pinata.cloud/ipfs/bafkreic3cjz47ys3pqexddlsea2bryypkhcyehjsyqws3sjoyfa6umnn7m
- Alchemy Asset Transfer API — 36 DeFi transfers (USDC, fUSDC, sUSDC)
- Smart contract bytecode comparison (identical to 8453:18185 owner)
- Prior investigation: Zyfai 8453:18185 (green/81) — same team verified
- MCP Server health — https://mcp.zyf.ai/health
- GitHub — https://github.com/ondefy/erc8004-implementation
- npm — https://www.npmjs.com/package/@zyfai/sdk