The FIDO Alliance (Fast IDentity Online Alliance) is an open industry association headquartered in Beaverton, Oregon, focused on developing and promoting authentication standards that reduce reliance on passwords. The organization was formed by a consortium of technology companies, including Amazon, Intel, Microsoft, and Visa, among others, with the goal of creating interoperable authentication specifications. The Alliance develops and publishes open technical standards for strong authentication, most notably the FIDO2, WebAuthn, and UAF/U2F specifications. These standards enable phishing-resistant authentication mechanisms, including the use of hardware security keys, biometrics, and passkeys — cryptographic credentials that replace traditional passwords. Passkeys, in particular, allow users to authenticate using device-bound or synced cryptographic key pairs rather than shared secrets like passwords. FIDO Alliance's work spans consumer and enterprise use cases, engaging with service providers, device manufacturers, browser vendors, and platform operators to drive adoption of its authentication standards. The organization provides implementation guidance, conducts certification programs to verify that products conform to FIDO specifications, and engages in education and advocacy around passwordless and phishing-resistant authentication. Its membership includes a broad range of technology companies, financial institutions, and government bodies. The Alliance also publishes research, hosts industry events, and collaborates with standards bodies to advance the adoption of modern authentication practices globally.