Claude is requiring some of its users to verify their identity. Here's Anthropic's explanation.

Source: Business Insider

Anthropic introduced ID verification for cases of "fraudulent or abusive behavior. "Samuel Boivin/NurPhoto via Getty ImagesAnthropic introduced identity verification for "a few use cases," requiring some Claude users to upload government IDs. Persona Identities will manage and secure the ID data for the Claude users prompted to verify their identity.