All About Lightning Electrum
Wu said the new address looks like a "cold wallet." Cold storage is the storage of a private key on a hardware device that is disconnected from the Internet.
The Electrum team has announced the attack in an official tweet, saying that "this is an ongoing phishing attack on Electrum users" and reminding users to check the authenticity of the client's source before logging in. The team published its official website, and electrum clients downloaded elsewhere may be problematic.
Send the coin to another wallet for long-term bitcoin storage. There should be a full node behind the wallet, such as the Electrum node pointing to your own Electrum server.
The Electrum development team also warned them that they had nothing to do with a project called Electrum Dark: they used our name without our permission. Be careful with the altcoin version of Electrum, as they are sometimes used as vectors to install malware against your real Bitcoin wallet.
Bitcoin Wallet Electrum has released the official version of 4.0, adding features such as Lightning Network and PSBT.
Electrum is a well-known light wallet for Bitcoin that adds new features such as server authentication using SSL to prevent MITM attacks. So unlike other Bitcoin light wallets, Electrum cannot communicate directly with different versions of Bitcoin full nodes, and each startup connects to electrumserver to communicate, and electrum.