7-part series
Social and messaging platforms have the largest passkey deployments and the widest range of implementation quality. Each review walks the live registration and login flow, notes where passkeys are offered and where they are hidden, and identifies what a relying party can learn from it.
Each article stands on its own - start wherever your problem is.
Facebook now supports passkeys on mobile. Learn how to set one up, its limits like one per account, and what's next for Meta's passwordless future.
Passkeys ReviewsNov 2023
LinkedIn is about to roll out passkeys. Conditional UI has already been implemented in the web app and the corresponding passkey FAQ articles were created.
Passkeys ReviewsSept 2023
The article analyzes strategic and technical decisions of OnlyFans' passkey rollout for software developers and product managers.
Passkeys ReviewsOct 2023
Telegram is testing passkeys in Android beta to replace SMS and OTPs. Explore the security and cost benefits of this major authentication shift.
Passkeys ReviewsDec 2025
Discover TikTok's approach to passkeys. A relevant case study for product managers aiming for top-notch user authentication.
Passkeys ReviewsJul 2023
WhatsApp rolls out passkeys. This article presents the strategic reasoning behind the introduction and analyzes the implementation.
Passkeys ReviewsSept 2023
X, previously Twitter, introduces passkeys for iOS & iPadOS in the US. Learn about the rationale & strategies behind this move.
Passkeys ReviewsSept 2023
See every login journey clearly, diagnose failures faster and keep your existing IDP in place.