---
# System prepended metadata

title: Securing Trust as well as Smart Contracts
tags: [security]

---

# The Human Layer of Web3 Security

Last weekend at **Blockchain UNIBEN Conference 3.0**, themed *Engineering Privacy-First Experiences*, I ran a small tabletop security exercise.

The goal was simple:

Demonstrate how easily trust can be manipulated in Web3.

Security discussions in crypto often focus on **smart contracts**, but users rarely interact with contracts directly.

They interact with **interfaces and domains**.

This exercise focused on that overlooked layer — the **human layer of security**.

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## The Setup

During the session, attendees were asked to visit the official community website:

https://blockchainuniben.com

However, in the exercise scenario, visitors were silently redirected to a demonstration page:

https://cryptanu.github.io/verify

The page looked legitimate and behaved like a normal interface.

No malware.  
No wallet drainers.  
No malicious scripts.

The goal was purely educational.

To ensure transparency, the full source code of the page is publicly available:

**Source code:**  
https://github.com/cryptanu/verify

Anyone can inspect the repository and confirm that the page contains **no malicious routing logic**.

Despite this being a harmless demonstration, the result was revealing.

Over **200 attendees unknowingly accessed the redirected page from their mobile devices**, many without noticing the change in domain.

![Screenshot 2026-03-04 at 10.16.27](https://hackmd.io/_uploads/rJtTTurKbx.png)


Each visitor assumed they were making an independent, safe decision.

But trust patterns repeat.

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## Why This Matters

In Web3, security conversations often focus on:

- smart contract vulnerabilities
- logic errors
- economic exploits

But attackers increasingly target something simpler:

**the interface users trust.**

If an attacker gains control of a protocol’s **domain, DNS records, or hosting infrastructure**, they can deploy a malicious frontend that appears identical to the real application.

From the user’s perspective, everything still looks normal.

But wallet interactions can be routed to attacker-controlled contracts.

The impact of these attacks is significant.

According to **QuillAudits’ Web3 Hack Analysis**, the ecosystem lost **over $2 billion to crypto exploits in 2024 alone**, with phishing and interface-level attacks continuing to represent a major attack vector.

This means that even **perfectly audited smart contracts can still lead to user losses** if the interface layer is compromised.

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## The Takeaway

The safest smart contract in the world is useless if users interact with the wrong interface.

Security in Web3 is not just about protecting code.

It is about protecting **trust itself**.

And trust often begins with something as simple as a link.


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## Lessons for Builders

If Web3 is going to support billions of users by onboarding traditional finance, we need stronger protections and less reliance on **interface trust.**

Some promising approaches include:

- decentralized naming systems like ENS  
- verifiable frontend deployments  
- transaction simulation before signing  
- wallet warnings for suspicious contracts  
- registrar-level domain protections  

Because ultimately:

> The safest smart contract in the world is useless if users interact with the wrong interface.

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## Final Thoughts

Security education becomes far more effective when people **experience the attack themselves.** Seeing how easily trust can be manipulated changes how developers and users think about risk.

A huge thank you to **Zano Africa** for supporting the event and helping push conversations around privacy-first Web3 infrastructure.

And to everyone who participated:

**Always verify the domain — don't stop at trust.**