---
title: "Bibash Shrestha (@bibash28) | Hashnode"
description: "Building apps, exploring computer science. Read the latest articles by Bibash Shrestha on Hashnode."
url: "https://hashnode.com/@bibash28"
---

@bibash28

# Bibash Shrestha

@bibash28 · Kathmandu, Bāgmatī, Nepal · Joined July 2025

Building apps, exploring computer science

[Website](https://shresthabibash.com.np/)

### [Planning a Telecom Network for Less with Kruskal's Algorithm](https://bibashshrestha.hashnode.dev/kruskals-algorithm-telecom-network?utm_source=hashnode&utm_medium=feed)

How sorting the cheapest connections first builds a minimum-cost fiber network

6 min read · [bibashshrestha.hashnode.dev](https://bibashshrestha.hashnode.dev/kruskals-algorithm-telecom-network?utm_source=hashnode&utm_medium=feed)

[Aug 24](https://hashnode.com/posts/kruskals-algorithm-telecom-network/6a8bee1559ce9d6dd4893058)

### [How OSPF Routers Find the Fastest Path, Using Dijkstra's Algorithm](https://bibashshrestha.hashnode.dev/dijkstra-algorithm-ospf-routing?utm_source=hashnode&utm_medium=feed)

Why the shortest-looking route isn't always the cheapest one, and how routers actually decide

5 min read · [bibashshrestha.hashnode.dev](https://bibashshrestha.hashnode.dev/dijkstra-algorithm-ospf-routing?utm_source=hashnode&utm_medium=feed)

[Aug 11](https://hashnode.com/posts/dijkstra-algorithm-ospf-routing/6a7ac4eb796f5e9c3570adb9)

### [Playfair Cipher Explained: The Encryption British Soldiers Used in the Field](https://bibashshrestha.hashnode.dev/playfair-cipher-explained?utm_source=hashnode&utm_medium=feed)

How encrypting letters in pairs beat frequency analysis, using nothing but pen and paper

5 min read · [bibashshrestha.hashnode.dev](https://bibashshrestha.hashnode.dev/playfair-cipher-explained?utm_source=hashnode&utm_medium=feed)

[Aug 9](https://hashnode.com/posts/playfair-cipher-explained/6a7899f5c0d391a371fb49bc)

### [Wiring an IoT Sensor Network for Less with Prim's Algorithm](https://bibashshrestha.hashnode.dev/prims-algorithm-iot-sensor-network?utm_source=hashnode&utm_medium=feed)

How a spanning tree keeps a sensor network connected while minimizing energy cost

5 min read · [bibashshrestha.hashnode.dev](https://bibashshrestha.hashnode.dev/prims-algorithm-iot-sensor-network?utm_source=hashnode&utm_medium=feed)

[Aug 8](https://hashnode.com/posts/prims-algorithm-iot-sensor-network/6a773dd2489594c2dc85d4eb)

### [Vigenère Cipher Explained: The Encryption That Stayed Unbroken for 300 Years](https://bibashshrestha.hashnode.dev/vigen-re-cipher-explained-the-encryption-that-stayed-unbroken-for-300-years?utm_source=hashnode&utm_medium=feed)

How a repeating keyword fixed Caesar's biggest weakness, and why it eventually broke too

8 min read · [bibashshrestha.hashnode.dev](https://bibashshrestha.hashnode.dev/vigen-re-cipher-explained-the-encryption-that-stayed-unbroken-for-300-years?utm_source=hashnode&utm_medium=feed)

[Aug 8](https://hashnode.com/posts/vigen-re-cipher-explained-the-encryption-that-stayed-unbroken-for-300-years/6a772a228e7c9916f43af1a4)