Zano said a validation gap in Gateway Addresses, introduced with Hard Fork 6, allowed an attacker to mint unauthorized assets on two separate dates. According to the project, roughly 18.4 million ZANO were minted in a single transaction on Aug. 29, and the same amount was minted again on Sept. 25. The attacker also minted fUSD using the same method. Zano said the improperly created tokens were worth more than $200 million. The project added that potentially affected activity involved 117,941 outputs and 65,301 transactions. In response, Zano restored chain state from block 3,833,000 and disabled Gateway Addresses. The team also said all affected balances will be fully restored, while ZANO supply and the issuance schedule will remain unchanged. The update was reported by Bitcoin.com News and carried by Odaily.
Zano said a validation gap in Gateway Addresses introduced in Hard Fork 6 enabled an attacker to mint unauthorized tokens.
According to the project, the attacker minted about 18.4 million ZANO in a single transaction on Aug. 29, then minted the same amount again on Sept. 25. The attacker also minted fUSD through the same method. Zano said the improperly created tokens were worth more than $200 million.
Zano restores chain state and disables Gateway Addresses
The project said potentially affected activity covered 117,941 outputs and 65,301 transactions. Zano has restored the chain state from block 3,833,000 and disabled Gateway Addresses.
Zano also said all affected balances will be fully restored, and that the ZANO supply and issuance schedule remain unchanged.
The update was reported by Bitcoin.com News and republished by Odaily.
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