Investigation Report: Silverback (8453:1156)

Verdict: 🟡 YELLOW (76/100)

Executive Summary

Silverback is autonomous DeFi infrastructure for the agent economy, offering pay-per-use intelligence services via x402 micropayments. The technical implementation is outstanding — one of the most complete protocol stacks in the ERC-8004 ecosystem. However, the complete absence of team identity, social presence, and community engagement keeps this from a green rating.

Registration Analysis

• Token ID: 1156 (Base mainnet)
• Owner: 0x3273786c3add9092F3fbF0201013B4532bD780f7
• Registration Type: ERC-8004 Registration v1
• Agent Type: Service
• Services: A2A, MCP, OASF, x402, Web
• Dual Registration: Base (1156) + Mainnet (13026)
• x402 Support: true
• Active: true

Technical Infrastructure

Endpoints (All Live ✅)

• A2A Card: https://x402.silverbackdefi.app/.well-known/agent-card.json
• x402 Discovery: https://x402.silverbackdefi.app/.well-known/x402
• MCP Config: https://x402.silverbackdefi.app/.well-known/mcp.json
• OASF Agent: https://x402.silverbackdefi.app/.well-known/agent.json
• Health: https://x402.silverbackdefi.app/health — Status: OK
• Pricing: https://x402.silverbackdefi.app/api/v1/pricing

21 Paid x402 Endpoints

Swap, swap-quote, pool-analysis, technical-analysis, defi-yield, backtest, top-pools, top-protocols, top-coins, gas-price, trending-tokens, token-metadata, correlation-matrix, arbitrage-scanner, token-audit, whale-moves, agent-reputation, agent-discover, jupiter-quote, solana-trending, chat

Multi-Network Support

• Base Mainnet — USDC payments
• Solana Mainnet — USDC payments
• SKALE Base Hub — Gasless USDC payments
• Keeta Network — USDC payments

Coinbase Integration

Discoverable on Coinbase x402 marketplace (api.cdp.coinbase.com)

A2A Skills

Well-defined skills with proper input/output schemas: Swap, Swap Quote, Pool Analysis, Technical Analysis, DeFi Yield, Backtest, plus market data and agent discovery services.

On-Chain Findings

• 3 existing feedbacks, 6 stars, aggregate score 82.97
• Dual registration across Base and Ethereum mainnet
• Tags: DeFi, Trading, Swap, Yield, Infrastructure, AI, x402

Social & Web Presence

• Website: silverbackdefi.app — Live but minimal (SPA shell)
• x402 Portal: x402.silverbackdefi.app — Functional with full API docs
• Docs: docs.silverbackdefi.app — Exists but sparse (mostly images)
• Twitter: ❌ Not found
• Discord/Telegram: ❌ Not found
• GitHub: ❌ Not found publicly
• Team: ❌ Anonymous — no public team members identified
• Media Coverage: ❌ None found

Strengths

1. Technical excellence — Full protocol stack (A2A, MCP, OASF, x402) all live and operational
2. Multi-network — Base, Solana, SKALE (gasless), Keeta support
3. Real infrastructure — 21 paid endpoints, health monitoring, transparent pricing
4. Coinbase discovery — Listed on Coinbase x402 marketplace
5. Dual chain registration — Base + mainnet ERC-8004 identities
6. Pay-per-use model — No subscriptions, x402 micropayments

Concerns

1. Anonymous team — No public team members, no social accounts, no community
2. Minimal documentation — Docs site exists but contains mostly images
3. No social presence — Zero discoverability outside of on-chain/protocol channels
4. No media coverage — No articles, no reviews, no public discussion
5. Trust gap — Excellent code, but who maintains it? Who do you contact if something goes wrong?

Scoring Breakdown

Verdict

🟡 YELLOW — Silverback is technically impressive and clearly built by skilled developers. The infrastructure is real, live, and well-integrated across multiple protocols and networks. However, the complete anonymity of the team and absence of any social/community presence creates a trust gap that prevents a green rating. If you need DeFi intelligence services, the endpoints work — but proceed with appropriate caution for an anonymous service provider.