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42 articles on JSON, APIs, encoding, and modern developer tooling.

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jwtdebuggingauthentication

JWT Debugging Playbook: Advanced Techniques for Diagnosing Token Failures in Distributed Systems

A deep technical debugging guide for JWT failures in production systems. Covers token mismatches, signature errors, clock drift, distributed auth issues, and advanced troubleshooting workflows for senior engineers.

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Sumit

Full Stack MERN Developer

Building developer tools and SaaS products

Reviewed for accuracyDeveloper-first guides

Sumit is a Full Stack MERN Developer focused on building reliable developer tools and SaaS products. He designs practical features, writes maintainable code, and prioritizes performance, security, and clear user experience for everyday development workflows.

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jwtdebuggingauthentication

JWT Debugging Playbook: Advanced Techniques for Diagnosing Token Failures in Distributed Systems

Nov 10, 20249 min read

access controlgeo blockingsecurity

IP-Based Access Control: Designing Geo-Blocking, Allowlists, and Zero-Trust Enforcement at Scale

A production-grade, deeply technical guide to implementing IP-based access control including geo-blocking, allowlists, deny rules, and zero-trust enforcement using scalable architectures.

Oct 12, 202410 min read

fraud detectionip intelligencesecurity

IP Intelligence for Fraud Detection: Designing High-Precision Risk Scoring Systems in Production

A deeply technical, production-grade guide to building IP intelligence systems for fraud detection using geo signals, ASN analysis, behavioral scoring, and scalable architectures.

Sep 25, 202411 min read

hashingmd5sha256

MD5 vs SHA256 Comparison: Cryptographic Trade-offs, Security Risks, and Production Usage

A deep technical comparison of MD5 and SHA-256 covering cryptographic design, security weaknesses, performance characteristics, and real-world production usage patterns for modern systems.

Sep 5, 20248 min read

api designunix timestampidempotency

Designing Time-Based APIs: Best Practices for Unix Timestamp Validation, Idempotency, and Consistency

A production-grade guide to designing time-sensitive APIs using Unix timestamps, covering validation, idempotency, replay protection, and consistency in distributed systems.

Sep 5, 202411 min read

rate limitingbackendsecurity

IP Rate Limiting at Scale: Designing Distributed, Accurate, and Abuse-Resistant Systems

A deeply technical, production-ready guide to implementing IP-based rate limiting systems with distributed architectures, precise algorithms, and real-world abuse prevention strategies.

Aug 18, 202411 min read

jwtsecurityauthentication

JWT Security Hardening: Production-Grade Strategies to Prevent Token Exploits and Vulnerabilities

A comprehensive, production-level guide to securing JSON Web Tokens. Covers attack vectors, cryptographic best practices, key management, and defensive architecture patterns for high-scale systems.

Aug 15, 202410 min read

api designdeveloper toolsbackend architecture

Text Case Converter API Design: Building a Developer-First, Scalable, and Production-Ready Service

A deep technical guide to designing a production-grade text case converter API with scalability, performance optimization, security hardening, and developer-first DX principles.

Aug 15, 202410 min read

bcryptincident responsesecurity

Bcrypt Incident Response Playbook: Handling Credential Leaks, Rehashing Strategies, and System Recovery

A production-grade incident response guide for handling credential leaks in bcrypt-based systems, including detection, mitigation, rehashing strategies, and secure system recovery.

Aug 12, 202410 min read

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