OstaApp, developed by Brontoo Technology Solutions India Private Limited, is a digital payment platform designed to offer a secure, fast, and convenient way to make transactions without relying on traditional cards, wallets, or point-of-sale (POS) systems. The platform generates a unique, one-time-use digital number or QR code, which users can utilize for payments at registered merchants, partner ATMs, and more. Database with 146123 users leaked. Proof of PCI DSS compliance is not a guaranteed solution.