BLOCKCHAIN ENGINEER & SECURITY RESEARCHER
Vishnuram
Rajkumar.
On the internet, I go by viking71.
I build in the blockchain space and look for what could break. Smart contract audits, cybersecurity research, and lessons from the occasional CTF.
SECURITY, BY DESIGN
A closer look at your contracts.
I perform smart contract security audits for DeFi protocols and dApps.
NOTES FROM THE FIELD
Research & writeups.
Breaking down challenges. Sharing what I learn along the way.
- QuillAudit CTF challenges — Writeup WEB3
- Capture the Ether — Challenge Writeup WEB3
- picoCTF 2022- Writeup CTF / SECURITY
- UTCTF 2022 — Writeup CTF / SECURITY
- Beginner picoMini CTF 2022 — Writeup CTF / SECURITY
- Newark Academy CTF (NACTF) 2021 — Challenge Writeups CTF / SECURITY
- Synkcon CTF 2021 not-hot-dog Writeup CTF / SECURITY
- DownUnderCTF 2021 — Get over it! CTF / SECURITY
- Password-Checker CSAW CTF 2021 Write-Up CTF / SECURITY
- TryHackMe: Chocolate Factory Write-up CTF / SECURITY
- TryHackMe: ColddBox:Easy Write-up CTF / SECURITY
- TryHackMe: Brute It Write-up CTF / SECURITY
- TryHackMe: Break Out The Cage 1 Write-up CTF / SECURITY
- TryHackMe: GamingServer Write-up CTF / SECURITY
- TryHackMe: RootMe Write-up CTF / SECURITY
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