Protize Stories

Exploring ideas, innovations, and engineering practices that power the digital future.

Digital notification system with network alerts and real-time dashboard
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Real-Time Merchant Notifications: How Telegram Alerts Improved Our Uptime and Wallet Monitoring

How Protize uses Telegram bots to deliver real-time alerts for merchant wallet updates, failed transactions, and server downtime — improving response time and merchant trust.

• Protize Engineering
notifications telegram wallet monitoring
AWS WAF integration illustration

Integrating AWS WAF Firewall --- Smart Whitelisting for Merchants and Users

Oct 16, 2025

Enhancing platform security with AWS WAF integration for dynamic IP whitelisting of merchants and users through the dashboard.

security aws firewall
Abstract digital transaction visualization with glowing network nodes

Avoiding Double Refunds: How We Solved a Race Condition in Our Payout System

Oct 16, 2025

How we used optimistic locking to prevent double refunds and maintain wallet accuracy under high concurrency.

fintech payouts concurrency
Abstract padlock and circuitry representing secure authentication

Secure Login System with Temporary Account Lock Using Redis

Oct 16, 2025

Stop brute-force attacks with a scalable login throttle using Redis counters and TTL-based account locks.

security redis authentication