Zano has disclosed the bug that forced its extraordinary 30-day blockchain rewind in a recent postmortem. An attacker exploited a missing verification in Gateway Addresses to mint roughly 18.4 million ZANO in a single transaction, then repeated the trick and did the same with fUSD. The first exploit sat unnoticed for nearly a month, while […]source https://news.bitcoin.com/crypto-news/zano-over-200m-illicit-tokens-30-day-blockchain-rewind/