Dfns is a Wallets‑as‑a‑Service (WaaS) platform designed for fintechs and institutions to integrate digital asset wallets securely. It supports multichain key management, entitlement controls, stake APIs, and fee sponsorships. The platform leverages MPC-based key systems, passkeys, biometrics, and HSMs to offer SOC 2–audited, bank-grade security. Dfns includes modular APIs for policy enforcement, permissions, and delegated signing.