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- Attackers drained roughly $7.3 million from outdated DxSale liquidity locker contracts.
- Over 1,400 LP positions on BNB Chain were reportedly affected in the exploit.
- Security experts urge users to review and migrate old liquidity locks immediately.
A major exploit targeting outdated DxSale liquidity locker contracts on BNB Chain has resulted in losses estimated at roughly $7.3 million, according to blockchain security firm PeckShield and multiple on-chain analysts.
The attack has once again raised concerns about aging DeFi infrastructure that remains active years after deployment, often without ongoing security oversight or upgrades.
Attack Drained Over 1,400 Liquidity Positions
On-chain investigators say the exploit affected more than 1,400 liquidity provider positions locked in old DxSale contracts dating back to the early BNB Chain boom of 2021.
DxSale became widely known during the memecoin surge for offering liquidity locking services that helped projects reassure investors their liquidity would not be removed suddenly. Tokens tied to the early SafeMoon era were among the projects that relied heavily on these contracts.
According to researchers, the attacker gained control over several legacy locker contracts before executing mass withdrawals across hundreds of liquidity pools. The exploit reportedly involved altering unlock settings, minimizing platform fees, and using custom smart contracts to automate withdrawals efficiently.
Security researchers identified the primary attacker wallet as transferring nearly 3,000 BNB — worth around $1.87 million at current market prices — into multiple wallets before routing funds toward Binance-linked deposit addresses.
Insider Speculation Emerges
The incident has fueled speculation within the crypto community about possible insider involvement.
Researchers highlighted Telegram messages dating back to August 2025 that allegedly advertised access to unlocking old DxSale LP positions. Additional suspicion emerged after analysts traced a 104 BNB transaction from Bybit to the attacker wallet shortly before the exploit unfolded.
So far, the DxSale team has not publicly addressed the incident, despite growing calls from users and researchers for clarification.
The silence has intensified scrutiny, especially because earlier security concerns tied to DxSale contracts had already surfaced in previous vulnerability disclosures.
Legacy DeFi Infrastructure Faces Renewed Scrutiny
The exploit underscores a broader issue across decentralized finance: many early smart contracts remain active despite lacking modern protections such as multisignature authorization, improved timelocks, and real-time monitoring systems.
Security experts are now urging users with old DxSale liquidity locks from 2021 and 2022 to review their positions immediately using BscScan and withdraw any accessible assets where possible.
Analysts also recommend migrating funds to audited and actively maintained liquidity locking platforms.
Also Read: Binance Coin (BNB) Breaks $1,000: Could $3,000 Be Next?
The DxSale exploit serves as another reminder that dormant smart contracts can still become major attack targets years later.
As the DeFi industry matures, projects and investors alike are being pushed to reassess older infrastructure that may no longer meet current security standards. Whether further developments emerge from DxSale or centralized exchanges tracking the stolen funds remains to be seen, but the incident has already reignited debate around long-term smart contract maintenance and accountability in decentralized ecosystems.
Disclaimer: The information in this article is for general purposes only and does not constitute financial advice. The author’s views are personal and may not reflect the views of Chain Affairs. Before making any investment decisions, you should always conduct your own research. Chain Affairs is not responsible for any financial losses.
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