Wultra Mobile-First Authentication is a multi-factor authentication solution designed for mobile-first environments. The product provides passwordless authentication capabilities for login and transaction approval through mobile applications. The solution offers two deployment options: a standalone white-label mobile token app for iOS and Android, or an SDK that can be embedded into existing mobile banking applications. Both options support push notification-based authentication for web and mobile app access. The authentication system uses post-quantum cryptography endorsed by NIST to provide quantum-resistant security. The solution can be deployed on-premises, in private cloud environments, or in Wultra's secure cloud infrastructure. It supports Docker and Azure deployment options. The product includes features for mobile app activation, transaction signing, and payment approval. It provides biometric authentication options including fingerprint and facial recognition. The system supports PIN code-based authentication with financial-grade security. The solution is designed for regulated industries including banking and fintech, with compliance features for regulatory requirements. It includes developer documentation and APIs for integration with existing systems. The mobile SDK and standalone app can be customized to match organizational branding and user interface requirements.