Zano said a validation gap in Gateway Addresses introduced in Hard Fork 6 was exploited, allowing an attacker to mint about 18.4 million ZANO in a single transaction and then mint the same amount again on Sept. 25. The project also said fUSD was minted through the same method. According to Zano, the improperly created tokens were worth more than $200 million, while potentially affected activity covered 117,941 outputs and 65,301 transactions. The team said it has restored chain state from block 3,833,000 and disabled Gateway Addresses. It also said all affected balances will be fully restored, and that ZANO’s supply and issuance schedule remain unchanged.
Zano said a validation gap existed in Gateway Addresses introduced in Hard Fork 6. An attacker minted about 18.4 million ZANO in a single transaction, then minted the same amount again on Sept. 25, and also minted fUSD through the same method.
The project said the improperly created tokens were worth more than $200 million. Potentially affected activity involved 117,941 outputs and 65,301 transactions.
Zano said it has restored chain state from block 3,833,000 and disabled Gateway Addresses. The team added that affected balances will be fully restored, while ZANO’s supply and issuance schedule will remain unchanged.
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