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Crypto DeFi

Cysic suspends bridge after attacker mints 10M CYS and moves $727K to Ethereum

Cysic has suspended its bridge after an attacker minted 10 million CYS tokens and bridged roughly $727,000 in proceeds to Ethereum. The funds were moved through Mayan, deBridge and SWFT’s Bridgers, the project said. The suspension follows the unauthorized mint, which let the attacker extract value across chains.

Original source

AI take

The cross-chain routing here is the detail that matters: the attacker used third-party bridges rather than Cysic's own to move proceeds, which highlights how token-level mint authority failures can propagate across ecosystems even when the compromised chain's bridge is halted. The suspension limits further exposure but does not address value already moved to Ethereum. For projects relying on mint-and-bridge architectures, the open question is whether the unauthorized mint stemmed from a key or contract control gap that comparable designs share.

Generated by AI for reference only.

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