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Hyperliquid hit by massive hack involving POPCAT: What’s going on?
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Hyperliquid hit by massive hack involving POPCAT: What’s going on?

A coordinated attack has hit Hyperliquid, a decentralized exchange platform known for its unrivaled security. Millions vanished in a targeted exploit shaking up the DeFi ecosystem. The crypto community is on the hunt for culprits while the protocol works to patch vulnerabilities. This incident underscores the susceptibility of smart contracts to sophisticated attacks, sparking speculations and technical analyses.

Written by Charles Ledoux

Translated on November 13, 2025 at 16:12 by Simon Dumoulin

POPCAT coin on pink background with red colored threads and alarms.
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A Coordinated Hack Puts Hyperliquid Under Pressure

Hyperliquid, the decentralized exchange gaining popularity among perpetual traders, has suffered a major attack specifically targeting the POPCAT token. The exploit caused estimated losses of several million dollars, temporarily putting the platform under significant stress. The attack unfolded in multiple coordinated phases, suggesting a planned operation by experienced actors.

The first warning signals appeared when unusual movements were detected in POPCAT-linked liquidity pools. The attackers exploited a flaw in the smart contract pricing mechanism, enabling them to manipulate orders and extract funds from the protocol. This manipulation created a temporary imbalance in the collateral system, directly affecting the platform’s ability to maintain its open positions.

Hyperliquid’s team responded quickly, but the extent of the damage was already significant. The protocol had to temporarily suspend certain functionalities to assess the scope of the compromise. This attack raises crucial questions about the security architecture of next-generation DEXs, particularly those offering leveraged derivatives trading.

The Crypto Community Searches for Those Responsible

The incident immediately triggered a wave of speculation within the crypto community. Theories are flying on Twitter and Discord, with some pointing fingers at North Korean hacker groups known for their sophisticated attacks against DeFi protocols, while others suggest insiders or white hats testing the system’s limits. The rumor mill runs at full speed while on-chain investigators analyze suspicious transactions.

Some even accused CZ of wanting to eliminate competition from Binance and Aster. The latter responded to the attacks with “humor.”

Moreover, blockchain data reveals that the stolen funds quickly transited through multiple addresses before being fragmented via mixers. This classic money laundering strategy significantly complicates tracing efforts. Blockchain analysts like ZachXBT and Arkham Intelligence have begun mapping fund flows to identify the culprits. Blockchain transparency becomes a double-edged sword here: it enables tracing but also provides visibility to attackers.

Despite the incident’s severity, the Hyperliquid native token’s price shows surprising resilience. Markets seem to be digesting the information without major panic for now, likely reassured by the team’s transparent communication and announced corrective measures. This relative price action stability suggests that holder confidence remains intact, at least in the short term.

What Lessons Can Be Drawn for the DeFi Ecosystem?

This exploit brutally reminds us that even the most innovative protocols remain exposed to smart contract vulnerabilities. Security audits, even multiple ones, never guarantee absolute protection against determined and creative attackers. Hyperliquid thus joins the long list of DeFi protocols victims of costly exploits, from Euler Finance to Cream Finance.

The platform’s reaction will constitute a decisive test for its future credibility. Users now expect clear answers: a compensation plan, a thorough post-mortem audit, and reinforced security measures. A protocol’s crisis management after a hack often reveals its true maturity and determines its ability to survive in DeFi’s ultra-competitive ecosystem.

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Charles Ledoux

Charles Ledoux

Charles Ledoux is a Bitcoin and blockchain technology specialist. A graduate of the Crypto Academy, he has been a Bitcoin miner for over a year. He has written numerous masterclasses to educate newcomers to the industry and has authored over 2,000 articles on cryptocurrency. Now, he aims to share his passion for crypto through his articles for InvestX.

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