WhatsApp this week started rolling out username reservations ahead of the broader launch planned later this year. The feature — which lets people find and message each other by handle instead of phone number — is already raising impersonation concerns, drawing scrutiny from security experts and regulators in India, the app’s largest market, with more than 500 million users.
The rollout marks a shift in how people identify one another on WhatsApp. Instead of relying on phone numbers as the primary identifier, users will increasingly interact through platform-managed usernames, a change that Meta says improves privacy but that critics argue could create new opportunities for impersonation.
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