---
title: "Discussion on \"(english ver.) [HTB CTF Nightfall 2026 - Blockchain Track] Vivarium: Medium Level\" | Hashnode"
description: "Discussion on \"(english ver.) [HTB CTF Nightfall 2026 - Blockchain Track] Vivarium: Medium Level\". Somehow, I solved this challenge pretty quickly, probably even faster than the easy one, and the reason was rather unusual.\n\n\nThe challenge describes VIVARIUM as a private yield vault holding VIVM tok"
url: "https://hashnode.com/posts/english-ver-htb-ctf-nightfall-2026-blockchain-track-vivarium-medium-level/6a44cd20c736bd97cc62a289"
---

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# [(english ver.) \[HTB CTF Nightfall 2026 - Blockchain Track\] Vivarium: Medium Level](https://s-0wn.hashnode.dev/english-ver-htb-ctf-nightfall-2026-blockchain-track-vivarium-medium-level?utm_source=hashnode&utm_medium=feed)

Somehow, I solved this challenge pretty quickly, probably even faster than the easy one, and the reason was rather unusual. The challenge describes VIVARIUM as a private yield vault holding VIVM tok

Jul 1 · 5 min read · s-0wn.hashnode.dev  
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