Web3 & Smart Contract Security22 July 2026
Wanchain Bridge Exploit Drains $9M in NIGHT Tokens: A Signature-Reuse Lesson
A flawed message-encoding scheme in Wanchain's Cardano–BNB bridge let an attacker reuse a legitimate signature to drain 515 million NIGHT tokens — a reminder that bridge validators, not the chains they connect, remain the weakest link.
bridge securityweb3cardano