Here are walkthroughs I have written for various CTFs

CyberSanta CTF Crypto walkthrough
Event: CyberSanta 2021 CTF
Category: Crypto
Difficulty: 1/4
URL: ctf.hackthebox.com
Date: 05 Dec 2021

Nonce-Sense CTF walkthrough
Event: RomHack 2021 CTF
Category: Crypto
Difficulty: 2/4
URL: ctf.hackthebox.com
Date: 18 Sep 2021

Composition HTB walkthrough
OS: Crypto Challenge
Difficulty: Medium
Release: 02 Apr 2021
Creator: DaysOfLife
Pwned: 02 Jun 2021

BabyEncryption HTB walkthrough
OS: Crypto Challenge
Difficulty: Very Easy
Release: 28 May 2021
Creator: P3t4
Pwned: 28 May 2021

TwoForOne HTB walkthrough
OS: Crypto Challenge
Difficulty: Easy
Release: 04 Dec 2020
Creator: Fukurou
Pwned: 06 May 2021

Baby Breaking Grad HTB walkthrough
OS: Web Challenge
Difficulty: Easy
Release: 18 Nov 2020
Creator: makelarisjr & makelaris
Pwned: 08 Jan 2021

Remote HTB walkthrough
OS: windows
Difficulty: Easy
Release: 21 Mar 2020
Creator: mrb3n
Pwned: 29 Jun 2020

Blunder HTB Walkthrough
OS: Linux
Difficulty: Easy
Release: 30 May 2020
Creator: egotisticalSW
Pwned: 20 Jun 2020

Obscurity HTB walkthrough
OS: Linux
Difficulty: Medium
Release: 30 Nov 2019
Creator: clubby789
Pwned: 3 Dec 2019

Traverxec HTB walkthrough
OS: Linux
Difficulty: Easy
Release: 16 Nov 2019
Creator: jkr
Pwned: 19 Nov 2019

Granny HTB walkthrough
OS: Windows
Difficulty: Easy
Release: 12 Apr 2017
Creator: ch4p
Pwned: 12 Nov 2019

Mango HTB walkthrough
OS: Linux
Difficulty: Medium
Release: 26 Oct 2019
Creator: MrR3boot
Pwned: 9 Nov 2019

Blocky HTB walkthrough
OS: Linux
Difficulty: Easy
Release: 21 Jul 2017
Creator: Arrexel
Pwned: 3 Nov 2019

Networked HTB walkthrough
OS: Linux
Difficulty: Easy
Release: 24 Aug 2019
Creator: guly
Pwned: 1 Nov 2019

Postman HTB walkthrough
OS: Linux
Difficulty: Easy
Release: 2 Nov 2019
Creator: TheCyberGeek
Pwned: 9 Nov 2019