Vitalik Buterin's X account gets breached, leads to $691k loss for his followers - Stack Diary
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Vitalik has now made a statement confirming that his account got taken over because of a SIM swap. A SIM swap attack is when someone tricks your phone company into switching your phone number over to a SIM card they control. Once they have your number, they can get into various accounts of yours, like email or bank accounts, especially

Ethereum’s co-founder, Vitalik Buterin, faced a security breach on his X (previously known as Twitter) profile, leading to an alleged theft of over $691,000. The compromised link, which falsely advertised a complimentary NFT, was the medium of this scam.