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Taiko fully restores cross-chain bridge just 10 days after a $1.7 million hack
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Taiko fully restores cross-chain bridge just 10 days after a $1.7 million hack

CoinDesk · Jul 2, 2026, 8:35 AM

Key takeaways

  • Ethereum layer-2 scaling network Taiko’s cross-chain bridge is back online, just 10 days after the June 22 hack.
  • The protocol halted operations after the attack, which stemmed from a compromised SGX signing key mistakenly exposed on GitHub.
  • Bridge exploits involving exposed keys remain a persistent challenge in crypto, with hundreds of millions lost industry-wide in 2026.

Ethereum layer-2 scaling network Taiko’s cross-chain bridge is back online, just 10 days after the June 22 hack.

The protocol halted operations after the attack, which stemmed from a compromised SGX signing key mistakenly exposed on GitHub. The flaw enabled an attacker to forge withdrawal proofs, draining roughly $1.7 million from the bridge and ERC20 Vault contracts.

Bridge exploits involving exposed keys remain a persistent challenge in crypto, with hundreds of millions lost industry-wide in 2026. However, Taiko’s quick recovery stands out, with every user made whole in less than two weeks.

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