Originally published on Medium on 2025/10/14.

In the world of Web3, security is not optional — it’s the foundation.
As a Web3 lifestyle app that transforms payment data into digital assets, SyFu bridges real-world payments and GameFi experiences, enabling users to earn and grow in a decentralized ecosystem.

To ensure the integrity of that foundation, SyFu has completed a comprehensive smart contract audit conducted by Hacken, a leading blockchain security firm.
This article outlines the scope, results, and implications of the audit.

• Auditor: Hacken

• Audit Period: August 15–27, 2025

• Contract Audited: SyFuExcavationToken.sol

• Blockchain: BNB Chain

• Results (Hacken Severity Classification):
  - Critical: 0
  - High: 0
  - Medium: 0
  - Low: 2
  - Informational: 3

• Status:
  - Critical: N/A
  - High / Medium / Low / Info: Fixed or accepted and merged into the latest release

• Audit Report: Official Hacken Report

The audit focused on validating SyFu’s token smart contract to ensure robustness, transparency, and compliance with Web3 security standards.

Contract audited:
SyFuExcavationToken.sol

Main function:
Issuance and management of EVT Tokens

Audit focus:

• Access control

• Mint/burn logic consistency

• Economic integrity

The audit covered the entire codebase at the specified commit, utilizing static analysis, manual line-by-line code review, and threat modeling for real-world use cases.

📊 Summary of Findings

Severity results:

• Critical: 0

• High: 0

• Medium: 0

• Low: 2 (1 accepted, 1 fixed)

• Informational: 3 (Fixed or reflected in documentation)

Key Improvements:

• Added validation logic to initialization functions

• Optimized gas efficiency and code maintainability

• Explicit declaration of compiler version

All fixes and updates were verified and approved by Hacken in the final re-audit.

This audit is part of SyFu’s ongoing commitment to strengthen its security posture.
SyFu will continue to maintain robust standards through:

• Regular code reviews and periodic re-audits

• On-chain monitoring of deployed smart contracts

• Long-term collaboration with security partners

These efforts reflect SyFu’s mission to provide a trusted and transparent experience for all users and partners in the ecosystem.

• Hacken Official Report: View Report

• SyFu GitBook: https://docs.syfu.io/security/audit

This audit represents a technical evaluation of the codebase at a specific point in time and does not guarantee the complete absence of risks or vulnerabilities.
SyFu remains committed to continuously improving its infrastructure and maintaining the highest standards of user security and trust.

Originally published on Medium on 2025/10/14.

In the world of Web3, security is not optional — it’s the foundation.
As a Web3 lifestyle app that transforms payment data into digital assets, SyFu bridges real-world payments and GameFi experiences, enabling users to earn and grow in a decentralized ecosystem.

To ensure the integrity of that foundation, SyFu has completed a comprehensive smart contract audit conducted by Hacken, a leading blockchain security firm.
This article outlines the scope, results, and implications of the audit.

• Auditor: Hacken

• Audit Period: August 15–27, 2025

• Contract Audited: SyFuExcavationToken.sol

• Blockchain: BNB Chain

• Results (Hacken Severity Classification):
  - Critical: 0
  - High: 0
  - Medium: 0
  - Low: 2
  - Informational: 3

• Status:
  - Critical: N/A
  - High / Medium / Low / Info: Fixed or accepted and merged into the latest release

• Audit Report: Official Hacken Report

The audit focused on validating SyFu’s token smart contract to ensure robustness, transparency, and compliance with Web3 security standards.

Contract audited:
SyFuExcavationToken.sol

Main function:
Issuance and management of EVT Tokens

Audit focus:

• Access control

• Mint/burn logic consistency

• Economic integrity

The audit covered the entire codebase at the specified commit, utilizing static analysis, manual line-by-line code review, and threat modeling for real-world use cases.

📊 Summary of Findings

Severity results:

• Critical: 0

• High: 0

• Medium: 0

• Low: 2 (1 accepted, 1 fixed)

• Informational: 3 (Fixed or reflected in documentation)

Key Improvements:

• Added validation logic to initialization functions

• Optimized gas efficiency and code maintainability

• Explicit declaration of compiler version

All fixes and updates were verified and approved by Hacken in the final re-audit.

This audit is part of SyFu’s ongoing commitment to strengthen its security posture.
SyFu will continue to maintain robust standards through:

• Regular code reviews and periodic re-audits

• On-chain monitoring of deployed smart contracts

• Long-term collaboration with security partners

These efforts reflect SyFu’s mission to provide a trusted and transparent experience for all users and partners in the ecosystem.

• Hacken Official Report: View Report

• SyFu GitBook: https://docs.syfu.io/security/audit

This audit represents a technical evaluation of the codebase at a specific point in time and does not guarantee the complete absence of risks or vulnerabilities.
SyFu remains committed to continuously improving its infrastructure and maintaining the highest standards of user security and trust.