Deep Dive
1. Critical Exploit Triggers Token Migration (24 November 2025)
Overview:
A vulnerability in Nexa Network’s CATERC20 cross-chain standard allowed an attacker to mint 1B PORT3 tokens on 23 November, crashing the price by ~79% (from $0.03 to $0.0063). Port3 responded by freezing deposits/withdrawals, burning 162.75M team tokens to offset the exploit, and migrating to a BNB Chain-only contract.
What this means:
The exploit highlights risks in multi-chain token designs but also showcases Port3’s rapid mitigation. The migration aims to restore supply integrity, though investor confidence may take time to recover. (NullTX)
2. Exchanges Halt Trading Post-Attack (23 November 2025)
Overview:
Gate suspended PORT3 trading, margin, and futures services on 23 November after the exploit. The exchange auto-settled open positions and warned users to repay loans to avoid liquidation.
What this means:
Centralized exchanges played a critical role in containing the fallout, but the abrupt halts likely intensified short-term selling pressure on DEXs. (Gate.com)
3. Trading Resumes with New Contract (26 November 2025)
Overview:
By 26 November, Binance Wallet and Gate relaunched PORT3 trading under the new BSC contract (0xf6402b...), with MEXC also reopening services. The token stabilized at ~$0.0043, down 88% monthly.
What this means:
The relaunch signals cautious market reintegration, though liquidity remains thin ($11.6M 24h volume vs. $3M market cap). (Port3 Network)
Conclusion
Port3’s exploit-driven token migration underscores the fragility of cross-chain systems but also demonstrates responsive crisis management. While exchanges have reinstated trading, the key question remains: Can Port3’s AI data layer narrative regain traction amid lingering security concerns?