Qtum Electrum synchronously updates electrum-related code and releases v0.18.9.
Basic integration with the electrum server (experimental feature, turned off by default)
Electrum LTC wallet.

appdata%-electrum-btcp/wallets.
(nonce, receiving_address, value, dataitem0, dataitem1... Dataitemn, v,r,s?nonce is the number of transactions that the address has sent, encoded in binary format (e.g., 0 -'', 7 'x07', 1000 -'x03'xd8'). (v,r,s) is a newly generated Electrum-style transaction signature without the private key corresponding to the sending address, and the range of v is 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The public key and address can be extracted directly from an Electrum-style signature (65 bytes). The conditions under which the transaction is legal.
UBTC Electrum Light Wallet Multi-Sign Address Transfer Contract Token Tutorial.
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.

Qtum Electrum 0.18.4 released
Slow Fog: Bitcoin Wallet Electrum updates the phishing theft that continues.
BTC wallet app Electrum was attacked and users lost millions of dollars.
Bitcoin Wallet Electrum Wallet was hacked and lost 1,450 BTCs.
Use the Electrum wallet.

Electron Cash is only a version of Electrum, so if you're used to Electrum, you won't have any problems.
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.
Google researcher Tavis Ormandy discovered the Bitcoin wallet Electrum.
Electrum wallets have lost about $4 million to fishing attacks since December.
Blockchain.info, Electrum Wallet.
Electron Cash is only a version of Electrum, so if you're used to Electrum, you won't have any problems.
Paper 3: Incremental discontinuous phrase structure resolution using GAP transitions (Incremental Discontinuous Phrase Structure Parsing with GAP Transition)

electrum secret phrase
Electrum users are reminded of the Update Tip, which indicates that the new version of Electrum is likely to be fake, and if installed, transfer Bitcoin out in another security environment in a timely manner.
Electrum DASH "PrivateSend" is on TestNet.
Dynamic . . . Bitcoin wallet Electrum was hacked and at least 1,450 BTCs were stolen.
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 "this is an ongoing phishing attack on Electrum users and advised users to download wallet apps from the official website" and that The Healthy Security Lab advised users not to install an unknown source of Electrum wallets to avoid being tricked.
Dynamic . . . Electrum and MyEtherWalle users face phishing attacks.
The UB team has now developed Core, Core-QT, Electrum Wallet (where Electrum is a lightweight wallet that supports multiple signatures) and released a complete blockchain browser. More than 18 trading platforms around the world support UBTC trading.
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.
B: Electrum server can customize messages to appear in the user's electrum light wallet software, giving hackers a chance to broadcast phishing messages.