However, after electrum officials said in early 19th that some security mechanisms should be put in place to prevent this "update phishing", many users of Electrum are still in the old version.
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m/44'/60'/0'/x: Electrum, Ledger Chrome App.
If someone's Electrum wallet connects to one of these servers and tries to send a BTC transaction, they see an official message telling them to update their Electrum wallet, as well as a scam URL.
Hackers launched a denial-of-service (DoS) attack on a well-known wallet Electrum server, according to Johnwick.io. 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 Backdoor Client. 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.
Digital Currency Wallet developer Electrum has released an emergency patch saying it found vulnerabilities to steal users' digital currency.
Another upgrade under study is the release of a new version of the Electrum-LTC desktop wallet. Electrum-LTC is an SPV wallet that can be used in Windows, Linux, and OS X operating systems.
The Litecoin Foundation said it would move from multi-signature Electrum-LTC wallets to BitGo's multi-signature wallets.
Electrum wallets have lost about $4 million to fishing attacks since December.
In the early stages of obtaining block rewards, Filecoin mining must be done through clustered mining in the pool to achieve higher returns, with very low or even zero returns on stand-alone solo mining.
Users of Bitcoin wallet Electrum are facing phishing attacks, according to Johnwick.io. Hackers broadcast messages to the Electrum client through a malicious server, prompting the user to update to v4.0.0, and if the user follows the prompt 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 about $11.6 million had been stolen from phishing attacks that faked Electrum upgrade tips. DeViable 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 Electrum 3.3.8 via the official website (electrum.org), which has not yet been officially released, and do not use the link in the prompt to avoid asset losses.