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The Polylog Crypto Intelligence Brief

Morning Edition · Sunday, June 28, 2026

Taiko Plans Four-Step Restart After a Leaked Signing Key Drained Its Bridge

An RSA private key for the network's trusted-hardware prover was committed to a public repository, letting an attacker forge state and withdraw roughly $1.7 million.

Taiko Plans Four-Step Restart After a Leaked Signing Key Drained Its Bridge

Taiko, an Ethereum-equivalent layer-2 network, has set a four-step plan to restart after a June 21 attack on its bridge, saying the method the attacker used is now blocked. The network halted block production on June 22 while it investigate…

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Bridge and Mint Exploits Sustain Heavy DeFi Losses

Over 3-6 months, recurring bridge proof-validation and unauthorized-mint exploits keep monthly DeFi losses elevated, including drains of deprecated contracts.