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Wanchain bridge hack drains $13M in NIGHT tokens, causing 30% price drop

Pluang • July 21, 2026

Wanchain's Cardano-BNB Bridge was exploited due to a cryptographic flaw allowing attackers to reuse a legitimate signature to authorize fake withdrawals, resulting in the theft of 515 million NIGHT tokens worth $9 million. The vulnerability involved ...

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Wanchain Bridge Hack Results in Theft of 515M NIGHT Tokens On July 21, 2026, the Wanchain bridge connecting Cardano and BNB Chain was exploited, leading to the theft of 515 million NIGHT tokens valued at approximately $13 million. The attack was facilitated by a message encoding flaw that allowed the attacker to amplify authorized transactions. Following the breach, the price of wrapped NIGHT tokens on BNB dropped by 30%. The incident has raised significant concerns within the cryptocurrency community regarding the security of cross-chain protocols. The vulnerability exploited has not been publicly assigned a CVE yet. The Midnight network is currently assessing the damage and potential recovery options. Users of the affected systems are urged to monitor their holdings closely. 5 sources 66

Wanchain bridge hack drains $13M in NIGHT tokens, causing 30% price drop

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