Taiko Exploit Adds to June Tally of Over 20 Crypto Hacks

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Taiko lost roughly $1.7 million on Monday after an attacker compromised the chain-state verification mechanism.

The latest hack adds to the growing list of attacks targeting crypto networks in 2026.

Taiko Becomes Latest of 20-Plus Crypto Hacks This June

Taiko runs as an Ethereum-equivalent-based rollup that settles its activity back to the mainnet. Earlier today, Blockaid flagged an ongoing exploit in a post on X (formerly Twitter).

Taiko confirmed the compromise in a security notice and warned that bridge security assumptions could no longer be trusted.

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⚠️ Security Notice

We have confirmed a compromise of Taiko’s chain state verification mechanism. As a result, the security assumptions of all bridges deployed on Taiko can no longer be relied upon.

We are actively coordinating with the Security Council and ecosystem partners to…

— Taiko.eth 🥁 (@taikoxyz) June 22, 2026

Meanwhile, on-chain data shared by Lookonchain shows the attacker has already started cashing out. The wallet moved 1.99 million TAIKO, worth about $189,000, to MEXC. The same address still holds 870.8 ETH valued at nearly $1.52 million.

Taiko said it is working with its Security Council and ecosystem partners to contain the incident. In addition, Taiko signaled that it may take technical and legal action against the attacker.

The team has asked centralized exchanges to suspend TAIKO deposits until it issues an official all-clear.

“We strongly advise all users to withdraw their funds from all bridges deployed on Taiko immediately,” the team said.

Meanwhile, it also shared 4 attacker addresses:

0x7506DeA0c38ca0B55364B22424374c5A1ae1B76a
0x5fbc60a12bc6635e7d587d8dac52e4b1388b4990
0x3cc936b795a188f0e246cbb2d74c5bd190aecf18
0x9108828e30f2de407aadb0af677b4a9228e4acd4

Historically, bridges have ranked among crypto’s costliest weak points, and 2026 has been no exception. A tracker from DefiLlama counts more than 20 crypto hacks in June alone.

The published addresses of attackers give investigators a trail to follow as funds move. Whether Taiko can recover the stolen assets may hinge on how fast exchanges freeze the flagged wallets.

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