. Remote Crypto Wallet Backup/Restore: implemented single and multiple backup onto Cloud via Email/SMS OTP verification. Multiple components included in consideration, e.g. Apple & Google account state, backup file integrity and rotation, availability of backup storage options, backup storage distinct handling between iOS & Android, restore timelocking. All of these tasks were completed while preserving the integrity of the existing backup mechanism and mitigating potential security risks. This addresses the most common concern raised by users. Secure payment: implemented embedded browser for secure payment processing. Conducted security risk analysis and
Pusan National University・
Big Data