How much was lost in the Port3 Network hack?

The Port3 Network hack resulted in $166K in losses on November 23, 2025.

What attack technique was used in the Port3 Network exploit?

The Port3 Network exploit utilized Infinite Mint and Dump. Understanding this attack vector is critical for smart contract auditors and developers building secure DeFi protocols.

How can developers prevent similar smart contract attacks?

Preventing smart contract hacks requires a combination of secure coding practices, thorough security audits, and understanding common attack vectors like reentrancy, oracle manipulation, and access control flaws. Smart Contract Hacking (SCH) provides hands-on training to help developers and auditors identify and prevent vulnerabilities before deployment.

Port3 Network Hack

TOTAL LOST $166K

Low Nov 23, 2025 Infinite Mint and Dump bsc

Affected Chain bsc Incident surface

Recovered - No recovery reported

All-Time Rank #1365 By amount stolen

Auditors 1 Prior security audit

Incident Overview

Poly Network is a global cross-chain protocol for implementing blockchain interoperability and building Web3.0 infrastructure. Poly Network has also integrated over 20 blockchains.

Incident Report

Protocol / Project Port3 Network

Date of Incident November 23, 2025

Affected Chain(s) bsc

Attack Technique Infinite Mint and Dump

Classification Protocol Logic

Primary Source View Post-Mortem

Protocol Information

Protocol Type Bridge

Smart Contract Language Solidity

Official Website www.poly.network

Protocol Twitter/X @PolyNetwork2

Market Context at Time of Hack

Token Price at Hack $0.00920472

Market Cap at Hack $4.6M

% of Market Cap Stolen 3.60%

Token Categories

SocialFi BNB Chain Ecosystem Poolz Finance Launchpad

Protocol Links

GitHub Discord Reddit Telegram

What the Attacker Needed to Succeed

Understanding the prerequisites for this type of attack helps auditors identify protocols that are most at risk and helps developers build better defenses.

Technical Knowledge Deep understanding of infinite mint and dump and Solidity and EVM internals

Capital Required Seed capital to cover gas and initial position setup

On-Chain Access Ability to interact with bsc smart contracts and deploy a custom exploit contract

Protocol Analysis Identification of the exploitable vulnerability in Port3 Network's contract logic - root cause: protocol logic

Execution Speed Precise transaction ordering and timing to exploit the vulnerability within a single atomic block

Obfuscation Plan A strategy to launder and move stolen funds - typically through mixers, cross-chain bridges, or decentralized DEX swaps to resist tracing

What Auditors Should Check

Could this have been caught in audit? Likely — with a thorough Infinite Mint and Dump audit checklist and test coverage

Audited by Audit Report 1 — still lost $166K. Prior audits don't guarantee safety, especially after post-audit code changes.

If you're auditing a protocol with similar architecture to Port3 Network, these are the critical security checks that could have prevented this incident (November 2025).

Verify all logic paths related to Infinite Mint and Dump are guarded by proper access controls and input validation
Review privileged functions (owner, admin, governance) for potential abuse vectors - centralization risks should be documented and bounded with timelocks or multi-sigs

Master these auditing techniques with hands-on labs and real exploit scenarios in the Smart Contract Hacking course.

Free Trial

Security Audit History

Audit Report 1 Report

Sources & References

01
Source 1 https://x.com/Port3Network/status/1992471015948210277

Threat Assessment

Severity Level

LOW

Attack Vector Infinite Mint and Dump
Root Cause Protocol Logic
Year 2025

Learn to Prevent the Next Port3 Network

The Port3 Network hack is one of many attacks that skilled auditors are trained to detect before deployment. Master real exploit patterns and defense techniques with hands-on Web3 security training.

Start Free Trial Browse Attack Library