Sui’s Biggest DEX Exploited for $220M
- On May 22, 2025, the Cetus protocol, Sui’s largest decentralized exchange, was exploited for $220 million through spoofed tokens that manipulated price data.
- The exploit resulted from vulnerabilities in Cetus’s smart contracts that allowed fake tokens to distort the system and drain liquidity pools without equivalent deposits.
- Cetus and Sui validators promptly paused contracts and froze over 90% of the stolen assets worth approximately $160 million, delaying further loss despite some funds being bridged to Ethereum for laundering.
- Cetus offered a $6 million bounty for returning stolen Ether, while the community debated decentralization concerns triggered by emergency security measures overriding transactions linked to the hack.
- The event exposed risks in Sui DeFi security but also demonstrated rapid defensive actions, with recovery efforts ongoing and the network infrastructure remaining intact for future restoration.
14 Articles
14 Articles
Sui’s Biggest DEX Exploited for $220M
Cetus, the largest decentralized exchange and liquidity provider on the Sui blockchain, has suffered a massive exploit resulting in the theft of $220 million of digital assets. The attacker exploited vulnerabilities in Cetus’s smart contracts by sending “spoof,” or fake, tokens with no real value to the protocol. The fake tokens manipulated Cetus’s price oracles and reserve calculations, tricking the protocol into treating them as valuable asset…
$160M in stolen funds puts Sui’s decentralization to the test
This is a segment from the 0xResearch newsletter. To read full editions, subscribe. Sui’s largest decentralized exchange, Cetus, was exploited on May 22 for over $220 million — the most severe DeFi incident in the network’s short history. It raised difficult questions about validator power, decentralization and reactive governance. The attacker exploited faulty math in Cetus’ smart contracts by using spoofed tokens and miscalculated liquidity ra…
Still Hackable, Still Reversible: Sui’s $220M Cetus Breach Exposes DeFi’s Flaws
On May 22, 2025, the Sui blockchain experienced a significant security breach when its largest decentralized exchange (DEX), Cetus Protocol, was exploited, resulting in the loss of over $220 million in digital assets.The attackers manipulated Cetus's oracle pricing mechanism by introducing spoofed tokens named BULLA and MOJO. This manipulation allowed them to exploit flawed reserve calculations and price curves, effectively draining liquidity po…
SUI Network Adds Whitelist and Restore Privileges—Is a Hacker Fund Return Incoming?
Sui Network is reported to have deployed a whitelist function as part of the preparation to return the frozen stolen money to Liquidity Providers. Of the over $220 million reportedly stolen, $63 million is said to have been bridged to the Ethereum network, making it almost impossible to recover it. Months after we covered a major exploit on the Sui Network that saw hackers steal 6.2 million SUI tokens, Cetus has confirmed another occurrence th…
Cetus offers $6M bounty after $220M hack as Sui faces decentralization debate – MAXBIT
Sui-based DEX Cetus offered the hacker a $6 million white hat bounty offer as the protocols are trying to recover the stolen $220 million, with $162 million remaining frozen. Cetus is offering a $6 million white hat bounty in an effort to recover $220 million in stolen digital assets, while emergency responses from the Sui...
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