A step-by-step guide to implementing WebAuthn passwordless biometric login in Node.js using TypeScript and Express. Covers the full flow: why JWT bearer tokens fall short for high-risk routes, how WebAuthn's asymmetric cryptography works, setting up registration and authentication ceremonies with SimpleWebAuthn, replacing
Table of contents
Table of ContentsPrerequisitesWhy JWT Alone Falls ShortWhat WebAuthn ChangesInitialize the ProjectInstall DependenciesDefine the Data ModelBuild the Server FoundationRegistration CeremonyAuthentication CeremonyWhat Replaces the Long-lived JWTMulti-Device and Recovery LogicStep-up Authentication for Sensitive ActionsRecapTry it YourselfFinal WordsSort: