electrum wallet issues

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Users of Bitcoin wallet Electrum are facing phishing attacks, according to Johnwick.io. Hackers broadcast messages to electrum clients through a malicious server, prompting the user to update to v4.0.0, and if the user is prompted to install this backdoor-carrying client, the private key is stolen and all digital assets are stolen. At the time of writing, at least 1,450 BTCs worth approximately $11.6 million had been stolen from phishing attacks that forged Electrum upgrade alerts. Devi Security Labs hereby suggests that versions of Electrum below 3.3.4 are vulnerable to such phishing attacks, and users using Electrum Wallet are requested to update to the latest version of Electrum3.3.8 via the official website (electrum.org), which has not yet been officially released v4.0.0, and do not use the link in the prompt message to avoid asset losses.

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To sum up, wallet.dat is the key file on which the key is stored, so in the past there have been hackers intent on using some malware to search for and steal the wallet.dat archive, or to copy all the contents of wallet.dat and transfer it to the FTP server, which, if obtained, symbolizes that the hacker gained access to all bitcoins in the account, equivalent to the looting of Bitcoin assets, and technically no claim, the loss is not light.