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PPyxispyxis-authservice.hashnode.devMar 28 · 4 min read

Building a Production-Grade Authentication Service (From Scratch)

Most authentication tutorials stop at “generate a JWT and you’re done.” That’s not how real systems work. I wanted to understand authentication deeply, not just use libraries, so I built a production-

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MAMd. Amirul Islamainahid.hashnode.devJan 11 · 5 min read

Backend Security (Part-5)

আমি যখন প্রথম পাসওয়ার্ড স্টোর করার কথা ভাবতাম, তখন খুব সহজভাবে চিন্তা করতাম—ডাটাবেজে প্লেইন টেক্সটে না রেখে যদি হ্যাশ করে রাখি, তাহলেই সব সমস্যা শেষ। বাস্তবে বিষয়টা মোটেও এত সরল না। এখানে আমি ধরে নিচ্ছি যে আমি আগেই সব জানি না। যেসব টার্ম ব্যবহার করব—...

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PRPayal Ratheepblogs.hashnode.devJul 23, 2025 · 3 min read

How to deal with passwords?

It is important to plan meticulously how you deal with passwords in your application. Passwords are one of the most sensitive entities of a system, which can pause major issues if compromised. First, we must know passwords can be compromised in two w...

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KVKulkarni Vishalitsmevishal.hashnode.devJul 23, 2025 · 11 min read

Real-time-chat-application (Backend)

What we will be learning :- This application is real time chat application what i will be learning 1. Real time interaction using websocket 2. Developing frontend using the react 3. using tailwind css , zustand, react , dazzyUI 4. nodejs ,expressjs, ...

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BABishop Abrahamabraham-bishop.hashnode.devJun 20, 2025 · 5 min read

How I Handle JWT Authentication in Express.js (Without the Headaches)

Authentication used to stress me out. Not because it's conceptually hard, but because every tutorial I found either oversimplified it to the point of being useless, or made it so complicated I needed a PhD to understand what was happening. After buil...

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ASAkshit Singhakshitsingh.hashnode.devJun 8, 2025 · 3 min read

Why Laravel's bcrypt Hashes Fail in Node.js and How to Fix It

Introduction When integrating a new Node.js authentication service with an existing Laravel application database, you may encounter failed password comparisons despite entering the correct credentials. This issue arises from a subtle difference in bc...

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SNsurya nagauthentication-flow-in-mongodb.hashnode.devMay 18, 2025 · 3 min read

Full Authentication Flow using MongoDB, Bcrypt, JWT & Cookies

A beginner-friendly, explanation of how authentication works using MongoDB, JWT, Bcrypt, and Cookies — with a little code so you can copy-paste and test it easily. 🧍 1. User Signup (Registration) When a new user signs up: They enter their email a...

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VMVinsen Megonesniv.hashnode.devApr 6, 2025 · 6 min read

Bcrypt Work Factor: How to Understand and Choose the Right Value

My Thought on Bcrypt & Why Work Factor Matters If you ever work with passwords in coding either for work or for fun, you probably know the #1 rule: never store them as plain text! I’ve always seen bcrypt as the go-to for password hashing. Developers ...

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OKOmkar Kastureomkarkasture.hashnode.devMar 3, 2025 · 8 min read

Axios, JWT, useContext, and User Authentication

Summary: Axios is a promise-based HTTP client that simplifies API calls with features like automatic JSON parsing, request cancellation, and better error handling compared to fetch. It can be used globally in React by creating an Axios instance. JSO...

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PBPrashant Baleprashbale.hashnode.devFeb 16, 2025 · 7 min read

Implementing Role-Based Authentication and Authorization in Node.js

In modern web applications, managing user authentication and authorization is crucial for ensuring security and proper access control. Authentication Simply, we know that authentication is nothing but verifying the user identities for security purpos...

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#bcrypt

Search Hashnode

#bcrypt

Explore Hashnode

Trending tags this week

Building a Production-Grade Authentication Service (From Scratch)

Backend Security (Part-5)

How to deal with passwords?

Real-time-chat-application (Backend)

How I Handle JWT Authentication in Express.js (Without the Headaches)

Why Laravel's bcrypt Hashes Fail in Node.js and How to Fix It

Full Authentication Flow using MongoDB, Bcrypt, JWT & Cookies

Bcrypt Work Factor: How to Understand and Choose the Right Value

Axios, JWT, useContext, and User Authentication

Implementing Role-Based Authentication and Authorization in Node.js