A cross-chain bridge connected to the Cardano ecosystem has suffered a security exploit that, according to unconfirmed reports, drained approximately 515 million NIGHT tokens valued at roughly $9 million.

The incident involves a bridge operated by Wanchain that facilitates asset transfers into the Cardano ecosystem. Details were first disclosed through an official Wanchain statement on X. The reported scale of the loss — 515 million NIGHT tokens worth near $9 million — was described in coverage by crypto.news.

Because the information underlying this story remains only partially verified, the figures should be treated as early estimates rather than confirmed totals. No independent on-chain confirmation of the transaction hash or attacker address was available at the time of writing.

Cross-chain bridges serve as the connective infrastructure that moves value between blockchain networks, and they have become a recurring target for attackers across the industry. Major bridge exploits — including the Wormhole, Ronin Network, and Nomad Bridge incidents — have collectively resulted in billions of dollars in losses in recent years, making bridge security one of the most scrutinized areas of decentralized infrastructure.

An exploit at the bridge layer can expose users even when the underlying Cardano network itself remains uncompromised. The reported incident appears tied specifically to NIGHT token flows rather than to Cardano's base protocol. The exposure described so far sits at the bridge and the NIGHT asset — not at the Cardano staking or settlement layers — though users who routed assets through the affected bridge could be impacted.

Until the project publishes verified guidance, the recommended posture is to avoid routing assets through the affected bridge and to await confirmation of which flows have been paused or deemed safe. The next credible updates are expected to come directly from Wanchain and Cardano ecosystem teams, covering the investigation, any operational pauses on bridge activity, and whether recovery or compensation mechanisms are being considered. Security researchers may also release post-incident analyses once transaction data is traced.

Any market impact remains unquantified at this stage. No confirmed price, volume, or sentiment data for Cardano was available in the source reporting, making claims about downstream price effects speculative.

Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency and digital asset markets carry significant risk. Always conduct your own research before making decisions.