Deployer-Key Hygiene
Builders get drained without ever signing a scam tx — their deployer key leaks from a .env, CI, or a cloned template, and every chain is swept at once. This checks whether an address both deploys contracts and holds real value (the dangerous combination).
Check a deployer address
Free — 10 checks/day. Scans Ethereum, Base, Arbitrum, Optimism & Polygon together. Read-only.