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Mark Cuban Loses Nearly $1M to Crypto Scam

The billionaire said he logged in to his crypto wallets after months of inactivity but had likely clicked on a phishing link.

Updated Sep 18, 2023, 3:24 p.m. Published Sep 18, 2023, 6:17 a.m.
Billionaire Dallas Mavericks owner Mark Cuban (Getty Images)
Billionaire Dallas Mavericks owner Mark Cuban (Getty Images)

Dallas Mavericks owner and billionaire technology investor Mark Cuban lost some $870,000 worth of tokens over the weekend after likely clicking on a phishing link after “months of inactivity.”

Phishing attacks trick users into divulging sensitive data, downloading malware, and exposing their private information. Such attacks are extremely common in the crypto industry, as users may fail to check the source of requests on a crypto wallet, or unknowingly download a fake application that mimics the original – one that exists only to steal holdings.

Cuban’s wallet was drained of U.S.-pegged stablecoins, staked ETH (stETH), SuperRare (RARE) tokens, and some Ethereum Name Service (ENS) domains, blockchain data shows. These movements were first spotted by on-chain sleuth @wazzcrypto.

Later, Cuban was likely alerted of these transactions and managed to save over $2.5 million worth of Polygon’s MATIC tokens by logging into the wallet and transferring the tokens to a Coinbase exchange address.

The phishing attack apparently seemed to stem from a fake MetaMask wallet application downloaded by Cuban, he told DLNews.

This was the second phishing attack to hit a high-profile person in as many weeks. Ethereum co-founder Vitalik Buterin’s X account was compromised in a phishing attack in early September. Buterin did not seem to lose his own funds, but users lost a cumulative $700,000 by sending tokens to an illicit link that was seemingly endorsed by Buterin.

Shaurya Malwa

Shaurya is the Co-Leader of the CoinDesk tokens and data team in Asia with a focus on crypto derivatives, DeFi, market microstructure, and protocol analysis. Shaurya holds over $1,000 in BTC, ETH, SOL, AVAX, SUSHI, CRV, NEAR, YFI, YFII, SHIB, DOGE, USDT, USDC, BNB, MANA, MLN, LINK, XMR, ALGO, VET, CAKE, AAVE, COMP, ROOK, TRX, SNX, RUNE, FTM, ZIL, KSM, ENJ, CKB, JOE, GHST, PERP, BTRFLY, OHM, BANANA, ROME, BURGER, SPIRIT, and ORCA. He provides over $1,000 to liquidity pools on Compound, Curve, SushiSwap, PancakeSwap, BurgerSwap, Orca, AnySwap, SpiritSwap, Rook Protocol, Yearn Finance, Synthetix, Harvest, Redacted Cartel, OlympusDAO, Rome, Trader Joe, and SUN.

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