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Deep Dives & Case Studies

In-depth explorations of real-world system design challenges and solutions

System Design

5 min read

saurav9760

Jul 30, 2025

Rainbow Table Attack: A Detailed Guide

Rainbow Table Attack reverses hashed passwords using precomputed tables. Faster than brute-force, but ineffective against salted & slow hashes (bcrypt/PBKDF2). Defense: Always salt + stretch passwords!

466 24

The Ultimate Guide to Text Encoding: How Computers Understand Our Words

System Design

5 min read

saurav9760

Jul 29, 2025

The Ultimate Guide to Text Encoding: How Computers Understand Our Words

How do computers understand our words, emojis, and symbols? Through text encoding - the process that translates human-readable characters into binary (0s and 1s). This guide explores key encoding methods including: ASCII , UTF-8, Base64, Url Encoding,

462 24

How to Securely Store Passwords in a Database: A Comprehensive Guide

System Design

5 min read

saurav9760

Jul 29, 2025

How to Securely Store Passwords in a Database: A Comprehensive Guide

Learn how to securely store passwords in a database with this comprehensive guide. Discover best practices like using Argon2 or bcrypt, salting, and key stretching. Avoid common pitfalls and implement robust security with step-by-step Python and Node.js examples. Protect user data effectively!

252 24

Latest Articles

Fresh content on system design patterns, best practices, and emerging technologies

Understanding ACID Transactions in Databases — The Complete Guide

System Design

saurav9760

Oct 26

Understanding ACID Transactions in Databases — The Complete Guide

Dive into the world of ACID transactions in databases with this comprehensive guide. Learn how Atomicity, Consistency, Isolation, and Durability ensure reliable and safe database operations, preventing issues like partial updates and data corruption.

#ACID transactions #database reliability #Atomicity

Understanding Distributed Locking: A Simple Guide

Distributed locking ensures that multiple processes in a distributed system access shared resources without conflicts. This guide explains what distributed locking is, why it’s needed, how it works, and tools like ZooKeeper, Redis, and Etcd that make it happen.

#Distributed Locking #Distributed Systems #Concurrency

Proxy vs. Reverse Proxy: A Simple Guide with Examples

Proxies and reverse proxies are key networking tools that serve different purposes. A proxy (forward proxy) sits between users and the internet, hiding your identity and bypassing restrictions, like accessing blocked social media at school. A reverse proxy sits in front of servers, managing traffic.

#Proxy #Reverse Proxy #Networking

Top Caching Strategies Explained — Complete Guide

Caching makes systems faster and handles more users. This guide explains caching simply, covering types like browser, server, and CDN caching, plus strategies like cache-aside and write-through. Learn where to use caches, how to manage them, and see examples from e-commerce sites to boost speed and

#Caching #System Design #Performance Optimization

Understanding Single Point of Failure (SPOF)

A Single Point of Failure (SPOF) can bring an entire system to a halt if it breaks. This guide explains what SPOFs are, where they hide in hardware, software, and third-party services, and how to eliminate them using redundancy, replication, and automation. Learn practical steps to build a reliable.

#Single Point of Failure #SPOF #Reliability

Gossip Protocol: Complete Guide

Learn how Gossip Protocol enables fast, decentralized data sharing in distributed systems like cloud servers and blockchain, mimicking how rumors spread.

#Gossip protocol #Distributed Systems #Decentralization

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