Frontend Security in Fintech- By Kosu, Timiebi Nicholas
Frontend security mistakes in fintech. token storage, CSRF, XSS, input sanitization, and security headers with real TypeScript fixes for Next.js.
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Senior Software Engineer exploring the intersection of frontend engineering, backend systems, and real-world problem solving. I write about React, TypeScript, Next.js, Node.js, NestJS, PostgreSQL, architecture, and lessons from building products.
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