Hackers launched a denial-of-service (DoS) attack on a well-known wallet Electrum server, according to The Devi Security Lab. Hackers used botnets of more than 140,000 computers to attack Electrum nodes and simultaneously deployed malicious nodes. When a user connects to these malicious nodes and sends a transaction using an older version of Electrum, the user is prompted to update the client carrying the backdoor. If the user installs the client as prompted, the private key is stolen and all digital assets are lost. Millions of dollars of digital currency have been stolen, according to Electrum officials. De-dimensional Security Labs recommends that users of electrum wallets be updated to the latest version of the client through the official website and never use the link in the prompt message.
Electrum Wallet is one of the most popular Bitcoin wallets and has been around for several years. However, Electrum wallet users often rely on electrum servers, which presents some security and privacy trade-offs. If you use an Electrum personal server, Electrum wallet users can connect locally to their own private servers, enjoying the convenience of Electrum without any trade-offs.
As of press time, phishing attacks that forged Electrum upgrade notifications have stolen at least 1,450 BTC (the number stolen is officially counted by a user, anti-malware companies Malwarebytes and Electrum), with a total value of approximately $11.6 million. It is worth mentioning that Electrum versions lower than 3.3.4 are vulnerable to such phishing attacks. Users who use Electrum wallets should update to the latest version Electrum 3.3.8 through the official website (electrum.org). At present, v4.0.0 has not been officially released. Version, please do not use the link in the prompt message to update, so as to avoid loss of assets
Bitcoin desktop wallet client Electrum has released a 4.0 beta version, adding several important updates, including support for the Lightning network, nearly a year after the previous version of Electrum, 3.3.8 (last July). In the 4.0 beta version, Electrum mainly added features such as PSBT (partially signed Bitcoin transactions), Lightning Network, watchtowers (暸 watchtowers) and Submarineswaps (subliminal switching). (Github.
Bitcoin wallet Electrum was hacked and at least 1,450 BTCs were stolen.
Wall Street moger Peter Schiff tweeted that the mystery of his bitcoin loss had been solved because the PIN was mistaken for a password. When blockchain updates my app, my account is automatically logged out and I mistakenly used my PIN as a password when I signed in again. I didn't back up my mn needs. Peter Schiff called it a costly lesson. Earlier, it was reported that on January 19th Peter Schiff claimed that all his bitcoins had been lost and that his wallet could not be accessed.
Public key encryption, private key decryption: the public key is exposed throughout the network, I use the other party's public key to encrypt the information, the other side with their own private key can be decrypted.
Note: Electrum-XZC is derived from Electrum and uses different seed phrase criteria, so it cannot be imported.
The Healthy Security Lab is concerned that Nearly 250 bitcoins have been stolen in a recent hacking attack on an Electrum wallet. This attack, confirmed by Electrum, involves creating a fake version of the wallet to trick users into providing password information. Electrum responded on Twitter that it was an ongoing phishing attack on Electrum users and advised them to download wallets from the official website.
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