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Not only Elon Musk i knew a dozens of big influencers accounts was hacked even also a ride sharing account. Posted similar BTC addresses from every account. Tweet deleted and for the security issues those accounts are temporary disabled. It was great excited offers for 30 min oh no a lot of victims.
And twitter already recognizes their mistake and made a post about it. The vector of the attack was some twitter employers, they got hacked by social engineering and after that all the accounts was vulnerable.
Will be hard to see an attack like this again. For sure they will do something about the security to avoid it.