Taiko Restores Bridge After $1.7M Exploit, Promises Full User Reimbursement

Woofun AI reports that Ethereum layer-2 blockchain Taiko restored full bridge operations on Thursday, concluding an 11-day disruption caused by a June exploit that drained $1.7 million. The network announced the resumption of fund transfers after finalizing a four-step recovery plan, confirming that all affected users have been made whole while temporary safeguards remain in place. This restoration re-established the bridge's critical 1:1 backing following the implementation of comprehensive security fixes.

The incident originated on June 21 when an attacker compromised Taiko's chain-state verification mechanism, allowing forged proofs to bypass validation and trigger unauthorized withdrawals from its Ethereum vault. Blockchain security companies assessed the total loss at $1.7 million in crypto assets, a figure that coincided with significant market volatility for the TAIKO token. Following the bridge reopening, TAIKO briefly surged to approximately $0.35 before retreating to roughly $0.14 as market sentiment adjusted to the resolution.

Taiko outlined its recovery execution on Sunday, detailing a four-stage process overseen by its security council and reviewed by independent security experts. The team deployed patches to ensure the finalized chain state contained no forged checkpoints or pending attacker claims that could be executed.

Woofun AI data shows the network subsequently replenished the bridge reserves to guarantee assets issued on the layer-2 were backed 1:1 by holdings on Ethereum. As an added precaution, conservative withdrawal quotas were introduced, though Taiko did not disclose the specific size of these limits.

Despite the operational restoration, Taiko has not disclosed the specific mechanics used to restore the bridge's 1:1 backing or whether any of the stolen assets were recovered. The project committed to publishing a full postmortem that will detail the incident timeline and the technical response. This lack of transparency regarding asset recovery marks a common challenge in post-exploit disclosures within the sector.