Hackers return $600 million in one of the biggest cryptocurrency thefts ever | Poly Network – WION Kalpana Warrier 3 years ago Share this: “Money You Stole…” Firm Tweets Hackers Over Record Cryptocurrency Heist – NDTV ProfitAugust 11, 2021NewsHackers Steal Over $600 Million In One Of The Biggest Ever Crypto Heists – NDTV ProfitMarch 30, 2022News