Dfns, established in 2020 in Paris, is a highly secure wallet-as-a-service infrastructure. With the backing of Techstars and SOC 2 certification, Dfns has successfully raised over $20M in funding. Dfns operates as an API-first Key Management System (KMS), offering app developers a seamless and secure way to access blockchains. It utilizes a decentralized, MPC-driven key management network, fortified with robust recovery mechanisms. The system is operated by tier 3+/4 data centers that are resilient to errors and attacks. Dfns prioritizes the developer experience, aiming to maximize programmability while minimizing complex implementations. It provides developers with fine-grained permissions, controls, and policies through secure API credentials, employing encrypted WebAuthn 2FA. Dfns supports an extensive range of 40+ blockchains and over 1,000 tokens.