Vitalik Buterin Discloses Twitter SIM Swap Assault That Drained $691K From Customers’ Wallets
Ethereum co-founder Vitalik Buterin revealed that his latest Twitter (X) account hack, that wiped over $691,000 victims’ funds in a faux NFT promo, was a results of a “SIM swap” assault.
Blockchain analyst ZachXBT, which confirmed $691,000 had been drained from folks’s wallets, declined to take a position whether or not Buterin was the sufferer of a “SIM swap.” The reply got here as an X person, Satoshi 767, assumed that the hack may very well be a SIM Swap assault.
Basically, SIM swapping happens when a SIM scammer features management of a telephone quantity by assuming the sufferer’s id and persuading their cellular service supplier. As soon as they’ve management over this, they move any SMS-based two-factor authentication (2FA) processes for accounts related to that quantity, gaining full management.
Buterin Confirms ‘SIM Swap’
In a submit on the decentralized social media Warpcast, Buterin revealed that somebody “socially-engineered” his Twitter cellular taking management of his telephone quantity.

“I had seen the ‘telephone numbers are insecure, do not authenticate with them’ recommendation earlier than, however didn’t notice this.”
He stated that the hack taught him to utterly take away telephone numbers from Twitter. A telephone quantity is “ample to password reset a Twitter account even when not used as 2FA,” he added.
“I do not keep in mind once I *added* the quantity; my guess is that it was required to join Twitter Blue.”
Twitter’s phrases had been up to date in December 2022, which mirrored {that a} verified telephone quantity is required for a Twitter Blue subscription. If a person is just not but a Blue subscriber and hasn’t verified a telephone quantity, the person will likely be prompted to confirm a quantity when continuing to enroll.

“Anyway, glad to be on Farcaster, the place my account restoration will be managed by a great healthful Ethereum handle :),” Buterin stated, after gaining management of his account.
SIM Swap Isn’t New
SIM swap assaults have had an extended historical past within the latest previous within the crypto sector. The Federal Bureau of Investigations issued a warning in 2022 on the growing SIM swap assaults that particularly focused victims who had been more likely to personal giant quantities of cryptocurrency.
Per the FBI estimates, $72 million was stolen in SIM-swap assaults final 12 months, up from $68 million in 2021.
Final month, Bart Stephens, managing companion of Blockchain Capital, claimed that he fell sufferer to a $6.3 million crypto hack ensuing from a SIM-swap assault. The hacker allegedly stole Bitcoin (BTC), Ether (ETH) and different cryptocurrencies from his digital wallets.
Stephens has additionally backed influential crypto ventures like Worldcoin, Coinbase, and Kraken.
In yet one more SIM swap heist, LayerZero CEO Bryan Pellegrino confirmed in early July, that hackers took over his Twitter account briefly.
“Checked my telephone and noticed SOS standing and realized it had been a sim swap,” Pellegrino wrote. “Lesson for me is that I should be exceptionally cautious about these items.”