Taiko halts its Ethereum layer-2 network after a bridge exploit, token dives

Taiko, an Ethereum layer-2 scaling solution, halted its mainnet operations on June 18, 2024, following a bridge exploit that resulted in the loss of approximately $1.7 million in Ether. The attacker exploited a vulnerability in the bridge's withdrawal proof mechanism, a flaw that has been identified as the root cause of several other significant bridge hacks in the current year. The Taiko team confirmed the incident in a post on X, formerly Twitter, stating that the exploit targeted the "bridge contract" and that the stolen funds were primarily ETH. Despite the exploit, the Taiko team emphasized that the damage was contained due to swift action, preventing further losses. The exploit led to a significant drop in the price of Taiko's native token, TKO, which fell by over 20% in the hours following the announcement. The team has initiated an investigation into the incident and is working on a plan to restore network operations and address the security breach. This event highlights ongoing security challenges within the decentralized finance (DeFi) ecosystem, particularly concerning cross-chain bridges.