Selected Java Interview Questions
Jul 10, 2023 · Backend Development
Designing a Unified Multi‑Account Login System with Phone, Password, and Third‑Party Authentication
This article outlines a comprehensive approach to building a scalable multi‑account login system that supports phone‑number/password, phone‑number/verification‑code, and various third‑party OAuth providers, detailing workflow steps, database schema, advantages, drawbacks, and a one‑click login integration.
Authenticationaccount designbackend
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