Multi-chain decentralized trading platform Nexera has suffered a $1.5 million exploit, forcing it to stop all trading operations.
Decentralized crypto exchange Nexera, also known as AllianceBlock Nexera, has fallen victim to a hacker attack resulting in a loss of $1.5 million worth of liquidity. The breach was first reported by the blockchain forensic firm Cyvers through a post on X, which flagged a "suspicious transaction" involving Nexera’s proxy contract.
🚨ALERT🚨Hey @Nexera_Official,
Our system has detected a suspicious transaction involving your proxy contract.
An address took ownership of your proxy contract and upgraded it. Shortly after, the address used the withdraw admin function to transfer all the $NXRA tokens.
The… pic.twitter.com/Of4bAD7UiP
— 🚨 Cyvers Alerts 🚨 (@CyversAlerts) August 7, 2024
According to Cyvers, the attacker managed to gain control over Nexera’s proxy contract, subsequently upgrading it with new permissions. This allowed the hacker to utilize the withdraw admin function to transfer all NXRA tokens. Cyvers says the hacker is actively selling all the exchange’s liquidity for Ethereum (ETH), and some of the funds "have already been bridged to the BNB chain."
Announcement
The team is investigating an exploit involving smart contracts containing NXRA tokens.
While we are still finalizing our findings, there are already a couple of things that we can share:
1️⃣ The $NXRA token contract has already been paused. Trading is halted on…
— Nexera (@Nexera_Official) August 7, 2024
Shortly following the attack, the Nexera team confirmed the exploit in a separate X post, saying the team is “investigating an exploit involving smart contracts containing NXRA tokens.” While the exact nature of the hack remains unclear, the NXRA token contract has been paused, with trading halted as the exchange’s team is still finalizing its “findings.”
"We continue to investigate the exploit now and will come back here ASAP with follow-up steps. Thank you for your understanding and patience while we sort this out with the utmost priority."
— Nexera
