My name is Vishnuram Rajkumar, but on the internet I go by viking71.

I’m a Blockchain Engineer and Security Researcher. Here, you will find awesome cybersecurity and blockchain related blogs.

Check out my audit repo for more details.

Blogs

• [ 2023-01-14 ] QuillAudit CTF challenges — Writeup
• [ 2022-05-30 ] Capture the Ether — Challenge Writeup
• [ 2022-04-03 ] picoCTF 2022- Writeup
• [ 2022-03-14 ] UTCTF 2022 — Writeup
• [ 2022-02-04 ] Beginner picoMini CTF 2022 — Writeup
• [ 2022-01-17 ] Newark Academy CTF (NACTF) 2021 — Challenge Writeups
• [ 2021-10-06 ] Synkcon CTF 2021 not-hot-dog Writeup
• [ 2021-09-30 ] DownUnderCTF 2021 — Get over it!
• [ 2021-09-28 ] Password-Checker CSAW CTF 2021 Write-Up
• [ 2021-01-22 ] TryHackMe: Chocolate Factory Write-up
• [ 2021-01-17 ] TryHackMe: ColddBox:Easy Write-up
• [ 2020-11-22 ] TryHackMe: Brute It Write-up
• [ 2020-11-09 ] TryHackMe: Break Out The Cage 1 Write-up
• [ 2020-10-27 ] TryHackMe: GamingServer Write-up
• [ 2020-10-09 ] TryHackMe: RootMe Write-up