Zano said its network was restarted from block 3,833,000 after a vulnerability in Gateway Addresses allowed unauthorized ZANO and Freedom Dollar tokens to enter circulation. The recovery point sits immediately before Hard Fork 6, meaning about one month of subsequent blockchain history is excluded as participants adopt the new software, with the team saying the move restores the intended token supply.
Zano network update: Recovery solution for Gateway Address vulnerability
The core team has identified a serious issue involving Gateway Addresses, which enabled unauthorized ZANO and fUSD to enter circulation.
Our investigation has found no compromise of wallet spend keys or…
— Zano (@zano_project) September 27, 2026
The rollback also removes legitimate transactions recorded during the affected period, while transfers already settled on other blockchains cannot be reversed. Zano said ordinary wallet spend keys and transaction privacy were not compromised, but all nodes, miners, stakers, exchanges and service providers must update to version 2.2.3.600 to follow the recovered chain.
Zano said Gateway Addresses will remain offline while the team completes a technical review and prepares a full report on the exploit. The project is also working with affected parties on reimbursement, with compensation expected to come from development funds, team holdings and supporting large holders rather than newly minted ZANO.
Source: Zano.
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