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WhatsApp Username Feature: WhatsApp has rolled out a username feature—something that has long existed on Telegram. A common concern associated with this feature is that it could be exploited to commit fraud by masking one's true identity.

WhatsApp Username Feature: WhatsApp has introduced a username feature, meaning people can now connect with others by sharing just a username, without revealing their phone numbers. While this is considered a crucial feature for user privacy, it also brings certain concerns. For instance, it could be misused to deceive people through impersonation or by hiding one's identity. Telegram already has a similar feature that has been exploited for scams. With the arrival of this new feature on WhatsApp, people are now questioning whether the platform could also become a medium for fraud.

How will the username feature work?

Until now, a phone number was mandatory to contact someone on WhatsApp. With this new feature, a phone number will no longer be required to connect with others; much like on Telegram, this can be done using a username. If both the sender and receiver use usernames, the username—rather than the phone number—will appear when the first message is sent. However, the need for a mobile number has not been eliminated entirely. Mobile numbers will still be used for account security, login, and verification, and your WhatsApp account will remain linked to the same mobile number as before. The username will simply serve as an alternative way to identify yourself.

What are the concerns regarding the new feature?

Revealing a mobile number makes it difficult to hide one's identity; however, the availability of usernames gives scammers and fraudsters an opportunity to impersonate others or conceal their true identities. There is also a risk of increased fraud cases where individuals might impersonate prominent figures by using similar usernames. Many people are already voicing their concerns about this on social media. Additionally, this feature could pose challenges for investigative agencies. IPS officer Arun Bothra wrote on X that WhatsApp's username-based identity feature could pose a significant challenge for law enforcement agencies. A similar feature on Telegram often makes it a platform associated with investment scams, impersonation, and cybercrime. Given WhatsApp's billions of users, even a minor design choice could have a major impact on public safety.

WhatsApp addresses security measures

Defending the feature, WhatsApp stated that it would not replace phone numbers; a phone number will still be required for registration. Furthermore, the company noted that multiple layers of security have been incorporated into the feature. "Username keys" will restrict who can reach out to a user, and limits have also been placed on the number of new people a single account can contact. If the feature is misused, the system will detect the pattern and block the account.