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Project Overview
Taiko is a decentralized Ethereum-equivalent ZK-EVM and general-purpose ZK-Rollup. Its purpose is to enable developers and users of dApps developed for Ethereum L1 to use them on Taiko without any modifications. Therefore, dApps can be quickly deployed to L2, preserving Ethereum's security while incurring lower transaction fees than on L1.
Taiko: Mainnet to Resume Operations in Four Steps; Vulnerability Fixed and Security Review Completed
Taiko, an Ethereum Layer 2 project, announced that its fix has been reviewed by independent security experts. The mainnet will resume operations in four steps, including: deploying the fix and confirming the chain's final state is correct, ensuring there are no invalid checkpoints or attacker-submitted records that could be accepted; replenishing cross-chain bridge liquidity to ensure all L2 assets maintain a 1:1 reserve; restoring network operations and reopening L2 transfers, swaps, and trading functions; and having the security committee propose lifting the bridge suspension to fully restore asset deposit and withdrawal functionality.Taiko stated that during the initial reopening period, relatively conservative withdrawal limits will be set as an additional security measure, but this is not expected to affect users' normal asset operations.
Taiko: All Proposers Halted Block Production, Investigating Breach of Chain State Verification Mechanism
Taiko stated on the X platform that all Proposers (nodes responsible for producing new blocks) have suspended block production.Taiko stated that the team is currently investigating the breach of the chain state verification mechanism and is continuously assessing the scope of the incident's impact and subsequent countermeasures. Previously, Taiko confirmed that its chain state verification mechanism had been compromised and advised users to immediately withdraw funds from cross-chain bridges deployed on Taiko.
Taiko: Mainnet to Resume Operations in Four Steps; Vulnerability Fixed and Security Review Completed
Taiko, an Ethereum Layer 2 project, announced that its fix has been reviewed by independent security experts. The mainnet will resume operations in four steps, including: deploying the fix and confirming the chain's final state is correct, ensuring there are no invalid checkpoints or attacker-submitted records that could be accepted; replenishing cross-chain bridge liquidity to ensure all L2 assets maintain a 1:1 reserve; restoring network operations and reopening L2 transfers, swaps, and trading functions; and having the security committee propose lifting the bridge suspension to fully restore asset deposit and withdrawal functionality.Taiko stated that during the initial reopening period, relatively conservative withdrawal limits will be set as an additional security measure, but this is not expected to affect users' normal asset operations.
Taiko bridge attack may result in losses up to $1.7 million
Ethereum Layer 2 blockchain Taiko has stated its chain state verification mechanism has been compromised, and the security assumptions of all bridges deployed on Taiko can no longer be relied upon. It urges users to immediately withdraw funds from the relevant bridges. Taiko says it is coordinating with partners to control the incident and has suspended the affected systems.Crypto security firm Blockaid stated that the root cause appears to be a flaw in the way Taiko's bridge validates source signals. Attackers can submit message proofs on Ethereum that lack legitimate proof from the Taiko chain, thereby registering and withdrawing fraudulent bridge messages. This leads to the unauthorized release of assets from the ERC20 treasury. Blockaid estimates at least $1 million was stolen, while Lookonchain and PeckShield believe the value of stolen assets could be as high as $1.7 million.PeckShield reported that the attacker has transferred approximately 1.99 million TAIKO tokens to MEXC, valued at around $189,000. Data from blockchain intelligence firm Arkham shows that the Taiko attacker's wallet holds approximately $1.5 million in assets, primarily in Ether. (Cointelegraph)
The Taiko attacker has transferred 1.99 million TAIKO tokens to MEXC, worth approximately $189,100.
According to PeckShieldAlert monitoring, the Taiko attacker has transferred 1.99 million TAIKO tokens to MEXC, worth approximately $189,100.
Taiko Chain State Verification Mechanism Compromised, Users Urged to Immediately Withdraw Funds from Cross-Chain Bridges
Taiko stated on its X platform that it has confirmed its chain state verification mechanism has been compromised, and the security assumptions of all cross-chain bridges deployed on Taiko are no longer reliable.Taiko said it is coordinating with its security committee and ecosystem partners to control the situation, suspending affected systems, and taking technical and legal actions. Taiko strongly advises all users to immediately withdraw funds from cross-chain bridges deployed on Taiko.Additionally, Taiko has made an urgent request for all centralized exchanges to suspend TAIKO token deposit services until further official notice. Previously, Taiko's ERC20 Vault was attacked, resulting in losses exceeding $1 million.
Taiko: Attack Resulted from Off-Chain Signature Key Leak and Verification Process Gap
Odaily News: Ethereum Layer 2 network Taiko released a post-mortem of the June 21 security incident, stating that the attack resulted from an off-chain signature key leak and a verification process gap. The attacker exploited these to forge proofs and bypass the Prover whitelist, rather than breaking ZK cryptography or smart contracts. The attacker stole approximately $1.75 million from cross-chain bridges and Vaults, but over $11 million in assets were protected, and no user funds were lost. Taiko has fixed the vulnerability, restored the pre-attack state, and resumed operation on July 2; an OpenZeppelin audit confirmed the fixes with no high, medium, or low-risk vulnerabilities identified. The official statement also indicated that the Unzen upgrade, scheduled for August 6, will require ZK proofs for every block to further enhance network security.
Taiko: The network has fully recovered, and all user funds have been replenished
Ethereum Layer 2 project Taiko has reopened its cross-chain bridge. Taiko stated that the network is now fully recovered, all user funds have been replenished, and it will soon release a full post-mortem report on the vulnerability incident. (The Block)
Taiko: Mainnet to Resume Operations in Four Steps; Vulnerability Fixed and Security Review Completed
Taiko, an Ethereum Layer 2 project, announced that its fix has been reviewed by independent security experts. The mainnet will resume operations in four steps, including: deploying the fix and confirming the chain's final state is correct, ensuring there are no invalid checkpoints or attacker-submitted records that could be accepted; replenishing cross-chain bridge liquidity to ensure all L2 assets maintain a 1:1 reserve; restoring network operations and reopening L2 transfers, swaps, and trading functions; and having the security committee propose lifting the bridge suspension to fully restore asset deposit and withdrawal functionality.Taiko stated that during the initial reopening period, relatively conservative withdrawal limits will be set as an additional security measure, but this is not expected to affect users' normal asset operations.
Taiko Releases Security Incident Update: Launches Fix Testing, Full Collateral for Bridged Assets to Be Restored Before Reopening
Ethereum Layer 2 project Taiko has released the latest update on a security incident, stating that this incident will not result in any user fund losses. Currently, bridged assets are under-collateralized, and the team will complete supplementary collateral for all assets before reopening the bridge, ensuring that each user's balance is supported on a 1:1 basis, identical to the state before the incident. Since the security incident occurred, cautious measures have been taken, including controlling the scope of impact, determining the root cause, and collaborating with the board to develop a plan to protect user assets.Furthermore, the CEO of Taiko has submitted a formal report to relevant authorities in Singapore, and the team will fully cooperate in tracing the responsible parties. Users are currently not required to take any action. The completed fix is now being tested, and Taiko will reopen the chain and bridge services as soon as it is deemed safe. Meanwhile, users are reminded to be vigilant against scams. The Taiko team will not proactively message users, and there are no claim or refund websites. Any links offering such services are fraudulent.
Taiko Updates on Theft Investigation: Root Cause Identified, Cooperating with CEX and Security Firms to Recover Funds
Odaily Taiko officially posted on X, stating: "We have identified the root cause of the attack and are currently developing a fix patch to restore the blockchain's online operation as soon as possible. Meanwhile, we are working closely with major exchanges and security partners to track and freeze the hacker's assets. The remaining funds in the cross-chain bridge are currently safe, and we will announce the next steps in an upcoming update. To focus on fixing the vulnerability and protecting user assets, we will pause updates for a few hours."Previously, Taiko's cross-chain bridge was attacked, with potential losses reaching up to $1.7 million.
Taiko: The security incident has been contained; the cross-chain bridge and treasury have been suspended.
Taiko stated that the related security incident is currently under control. The cross-chain bridge and vault have been paused, and funds cannot be withdrawn further. The cross-chain bridge is currently offline in both directions; users are advised not to perform any cross-chain operations for now. The official announcement noted that pending transactions have been paused—not lost—and further information will be released shortly.
Taiko: Attack Resulted from Off-Chain Signature Key Leak and Verification Process Gap
Odaily News: Ethereum Layer 2 network Taiko released a post-mortem of the June 21 security incident, stating that the attack resulted from an off-chain signature key leak and a verification process gap. The attacker exploited these to forge proofs and bypass the Prover whitelist, rather than breaking ZK cryptography or smart contracts. The attacker stole approximately $1.75 million from cross-chain bridges and Vaults, but over $11 million in assets were protected, and no user funds were lost. Taiko has fixed the vulnerability, restored the pre-attack state, and resumed operation on July 2; an OpenZeppelin audit confirmed the fixes with no high, medium, or low-risk vulnerabilities identified. The official statement also indicated that the Unzen upgrade, scheduled for August 6, will require ZK proofs for every block to further enhance network security.
Taiko: The network has fully recovered, and all user funds have been replenished
Ethereum Layer 2 project Taiko has reopened its cross-chain bridge. Taiko stated that the network is now fully recovered, all user funds have been replenished, and it will soon release a full post-mortem report on the vulnerability incident. (The Block)
Taiko network has resumed operations, cross-chain bridge assets have regained 1:1 full backing
According to official announcements, Taiko stated that the network is back online and no user assets were lost. Currently, steps 2 and 3 of the cross-chain bridge related fixes have been completed. Assets within the bridge have been restored to 1:1 full backing with corresponding assets on Ethereum. Network functions have returned to normal, and users can continue to perform transfers, swaps, and trading operations.
Taiko: Mainnet to Resume Operations in Four Steps; Vulnerability Fixed and Security Review Completed
Taiko, an Ethereum Layer 2 project, announced that its fix has been reviewed by independent security experts. The mainnet will resume operations in four steps, including: deploying the fix and confirming the chain's final state is correct, ensuring there are no invalid checkpoints or attacker-submitted records that could be accepted; replenishing cross-chain bridge liquidity to ensure all L2 assets maintain a 1:1 reserve; restoring network operations and reopening L2 transfers, swaps, and trading functions; and having the security committee propose lifting the bridge suspension to fully restore asset deposit and withdrawal functionality.Taiko stated that during the initial reopening period, relatively conservative withdrawal limits will be set as an additional security measure, but this is not expected to affect users' normal asset operations.
Taiko Releases Security Incident Update: Launches Fix Testing, Full Collateral for Bridged Assets to Be Restored Before Reopening
Ethereum Layer 2 project Taiko has released the latest update on a security incident, stating that this incident will not result in any user fund losses. Currently, bridged assets are under-collateralized, and the team will complete supplementary collateral for all assets before reopening the bridge, ensuring that each user's balance is supported on a 1:1 basis, identical to the state before the incident. Since the security incident occurred, cautious measures have been taken, including controlling the scope of impact, determining the root cause, and collaborating with the board to develop a plan to protect user assets.Furthermore, the CEO of Taiko has submitted a formal report to relevant authorities in Singapore, and the team will fully cooperate in tracing the responsible parties. Users are currently not required to take any action. The completed fix is now being tested, and Taiko will reopen the chain and bridge services as soon as it is deemed safe. Meanwhile, users are reminded to be vigilant against scams. The Taiko team will not proactively message users, and there are no claim or refund websites. Any links offering such services are fraudulent.
Taiko Updates on Theft Investigation: Root Cause Identified, Cooperating with CEX and Security Firms to Recover Funds
Odaily Taiko officially posted on X, stating: "We have identified the root cause of the attack and are currently developing a fix patch to restore the blockchain's online operation as soon as possible. Meanwhile, we are working closely with major exchanges and security partners to track and freeze the hacker's assets. The remaining funds in the cross-chain bridge are currently safe, and we will announce the next steps in an upcoming update. To focus on fixing the vulnerability and protecting user assets, we will pause updates for a few hours."Previously, Taiko's cross-chain bridge was attacked, with potential losses reaching up to $1.7 million.
Related news
Taiko: Attack Resulted from Off-Chain Signature Key Leak and Verification Process Gap
Odaily News: Ethereum Layer 2 network Taiko released a post-mortem of the June 21 security incident, stating that the attack resulted from an off-chain signature key leak and a verification process gap. The attacker exploited these to forge proofs and bypass the Prover whitelist, rather than breaking ZK cryptography or smart contracts. The attacker stole approximately $1.75 million from cross-chain bridges and Vaults, but over $11 million in assets were protected, and no user funds were lost. Taiko has fixed the vulnerability, restored the pre-attack state, and resumed operation on July 2; an OpenZeppelin audit confirmed the fixes with no high, medium, or low-risk vulnerabilities identified. The official statement also indicated that the Unzen upgrade, scheduled for August 6, will require ZK proofs for every block to further enhance network security.
Taiko: The network has fully recovered, and all user funds have been replenished
Ethereum Layer 2 project Taiko has reopened its cross-chain bridge. Taiko stated that the network is now fully recovered, all user funds have been replenished, and it will soon release a full post-mortem report on the vulnerability incident. (The Block)
Taiko network has resumed operations, cross-chain bridge assets have regained 1:1 full backing
According to official announcements, Taiko stated that the network is back online and no user assets were lost. Currently, steps 2 and 3 of the cross-chain bridge related fixes have been completed. Assets within the bridge have been restored to 1:1 full backing with corresponding assets on Ethereum. Network functions have returned to normal, and users can continue to perform transfers, swaps, and trading operations.
Taiko: Mainnet to Resume Operations in Four Steps; Vulnerability Fixed and Security Review Completed
Taiko, an Ethereum Layer 2 project, announced that its fix has been reviewed by independent security experts. The mainnet will resume operations in four steps, including: deploying the fix and confirming the chain's final state is correct, ensuring there are no invalid checkpoints or attacker-submitted records that could be accepted; replenishing cross-chain bridge liquidity to ensure all L2 assets maintain a 1:1 reserve; restoring network operations and reopening L2 transfers, swaps, and trading functions; and having the security committee propose lifting the bridge suspension to fully restore asset deposit and withdrawal functionality.Taiko stated that during the initial reopening period, relatively conservative withdrawal limits will be set as an additional security measure, but this is not expected to affect users' normal asset operations.
Taiko Releases Security Incident Update: Launches Fix Testing, Full Collateral for Bridged Assets to Be Restored Before Reopening
Ethereum Layer 2 project Taiko has released the latest update on a security incident, stating that this incident will not result in any user fund losses. Currently, bridged assets are under-collateralized, and the team will complete supplementary collateral for all assets before reopening the bridge, ensuring that each user's balance is supported on a 1:1 basis, identical to the state before the incident. Since the security incident occurred, cautious measures have been taken, including controlling the scope of impact, determining the root cause, and collaborating with the board to develop a plan to protect user assets.Furthermore, the CEO of Taiko has submitted a formal report to relevant authorities in Singapore, and the team will fully cooperate in tracing the responsible parties. Users are currently not required to take any action. The completed fix is now being tested, and Taiko will reopen the chain and bridge services as soon as it is deemed safe. Meanwhile, users are reminded to be vigilant against scams. The Taiko team will not proactively message users, and there are no claim or refund websites. Any links offering such services are fraudulent.
Taiko Updates on Theft Investigation: Root Cause Identified, Cooperating with CEX and Security Firms to Recover Funds
Odaily Taiko officially posted on X, stating: "We have identified the root cause of the attack and are currently developing a fix patch to restore the blockchain's online operation as soon as possible. Meanwhile, we are working closely with major exchanges and security partners to track and freeze the hacker's assets. The remaining funds in the cross-chain bridge are currently safe, and we will announce the next steps in an upcoming update. To focus on fixing the vulnerability and protecting user assets, we will pause updates for a few hours."Previously, Taiko's cross-chain bridge was attacked, with potential losses reaching up to $1.7 million.