Cysic Cross-Chain Bridge Paused After Unauthorized Minting of 10M CYS Tokens

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On-chain reports indicate that the Cysic cross-chain bridge has been paused after an attacker minted 10 million CYS tokens on the BNB Smart Chain. The exploit occurred at UTC 12:31:38, and the receiving address was blacklisted at 13:47:52. Approximately 2.8 million CYS remain at the address, now restricted. Cysic stated that the incident affected only the bridge and minting functions, not the mainnet or user wallets. A security firm has been engaged, with a follow-up report planned. New token listings on the BNB Smart Chain are under close monitoring.

Odaily Planet Daily reports that the crypto project Cysic has suspended its cross-chain bridge after an attacker exploited a processing flaw to mint 10 million CYS tokens unauthorizedly on BNB Smart Chain on Saturday. Preliminary investigations suggest the attacker may have gained unauthorized access to the database supporting the bridge.

The token mint occurred at 12:31:38 UTC, and Cysic added the receiving address to the token contract blacklist at 13:47:52 UTC. The address currently holds approximately 2.8 million CYS, and related transfers have been restricted.

Cysic stated that the incident involved only cross-chain bridge message processing and token minting, and did not affect the mainnet or other operational systems, nor did it result in the theft or unauthorized transfer of existing CYS or other assets from users' wallets. Token transfers, exchanges, and actual losses are still under review; the company has engaged a security firm and plans to release a follow-up report. (Cointelegraph)

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