TREE NEWS update: Privacy blockchain Zano rolled its chain back to block height 3,833,000, undoing roughly a month of transactions, to address an inflation bug tied to Gateway Addresses that allowed unauthorized minting of its native ZANO token and the dollar-pegged stablecoin fUSD. Nodes, miners, stakers and service providers must adopt the update. Freedom Dollar said millions of dollars in project assets had been swapped into counterfeit fUSD and that it will bear the losses, asking fUSD holders to halt activity until the patched chain stabilizes.
Zano Rolls Back Chain to Block 3,833,000 Over ZANO and fUSD Inflation Bug
AI take
A month-long rollback is one of the most invasive remedies a chain can take, and it shifts the cost of the bug from the attacker to everyone who transacted in that window. The detail that stands out is Freedom Dollar absorbing losses on counterfeit fUSD rather than pushing them onto holders, which keeps the stablecoin's backing question alive even after the patch. Whether node, miner and service-provider adoption of the update is fast and near-universal is the open question, since any holdouts leave two competing histories of the same month.
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