7+ years cross-chain. Working close to the metal — Reth ExEx, real-time on-chain indexers, stablecoin/RWA infrastructure, smart contract security, and AI agent tooling.
⚙️ EVM Infrastructure
- reth-usdc-indexer — Real-time USDC indexer inside Reth. Zero RPC calls, sub-10ms queries, reorg handling.
- defi-replay-kit — Pre-packaged DeFi exploit datasets — offline, no RPC, SQL-queryable.
- yulsafe — Gas-optimized ERC4626 vault for zkSync Era.
🛡️ Security & Intelligence
- rsentinel — Security detection and hardening for AI/Claude agent infrastructure.
- CyberShield — On-chain security tooling for DeFi environments.
- cve-guard — Node.js dependency vulnerability scanner with CVE database integration.
📊 Data & Quant
- grvt-sdk — Python SDK for GRVT Exchange: REST, WebSocket, EIP-712 signing, low-latency order pipeline.
- Dune Spellbook contributor · BigQuery datasets (Numia, P2P) · Paradex sybil detection
🎯 Focus: Stablecoins & RWA · EVM node internals · On-chain security · Cross-chain analytics
📫 zkmarc@proton.me · Lumen-Supra

