Mark Cuban Faces $870K Crypto Loss in a Recent Hot Wallet Breach

Billionaire investor, Dallas Mavericks owner, and prominent crypto enthusiast, Mark Cuban, recently experienced a significant setback in his digital assets journey. He confirmed the loss of nearly $900,000 due to a breach in one of his hot wallets. The incident has raised eyebrows in the crypto community, prompting discussions about security and the vulnerabilities even seasoned investors might face.

The unauthorized transaction was first identified by independent blockchain investigator, Wazz, on September 15th around 8 pm UTC. Wazz noticed unusual activity on a wallet Cuban hadn’t accessed for approximately five months. Etherscan’s transaction history revealed that, within a brief 10-minute span, substantial amounts of assets, including USD Coin (USDC), Tether (USDT), and Lido Staked Ether (stETH), were rapidly withdrawn.

Further complicating the narrative, an additional $2 million in USDC was transferred shortly after, leading some to speculate whether Cuban was merely reorganizing his assets. This theory was later substantiated when Cuban, in a conversation with DL News, mentioned accessing MetaMask after a long hiatus. He hinted that malicious actors might have been monitoring his wallet, awaiting an opportune moment.

Cuban promptly moved them to Coinbase Custody to ensure his remaining assets’ safety. He confirmed that the aforementioned $2 million USDC transaction was his doing.

The crypto community has been rife with speculation regarding the breach’s nature. While some believe Cuban might have inadvertently approved a malicious transaction, others argue that his private key was likely compromised, allowing direct transfers from the wallet.

This incident isn’t Cuban’s first brush with crypto-related misfortunes. In June 2021, he faced losses from a “rug pull” when Iron Finance, an algorithmic stablecoin project he had invested in, collapsed due to a purported bank run.

This recent breach is a stark reminder of the risks inherent in the crypto world, emphasizing the need for heightened security measures, even for the most seasoned investors.

Disclaimer: “The articles on this website reflect the opinions of the respective writers and are not the opinion of In addition, nothing in this article should be considered as financial advice. It is essential to conduct your independent research and consult with a qualified financial advisor before making any financial decisions.”


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