'This could be a disaster': From Ankur Warikoo to Vijay Shekhar Sharma, why India's startup leaders are worried about Kunal Shah's first move at WhatsApp

WhatsApp's new username feature, allowing users to connect without sharing phone numbers, has raised significant concerns about potential impersonation scams, particularly in India. Entrepreneurs fear scammers could create similar-sounding usernames to solicit money, bypassing the accountability previously offered by phone numbers. This privacy-focused update faces scrutiny over the need for robust anti-abuse measures to prevent widespread fraud.