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)
released the Testnet 2.0. With the release of the Testnet, the release of the
Digital wallet developer Electrum has released an emergency patch saying it found a vulnerability that could lead any website hosting Electrum to steal a user's digital currency, exposing passwords to the JOHNSONRPC interface and ingelling hackers full control of the wallet. Earlier, Electrum released the first patch, but it didn't seem to solve the problem, and they released a second update urgently Sunday night local time.
Attackers reportedly created their own Electrum servers, which hosted the attacked version of Electrum in order to implement the attack. When the user will be vulnerable.
According to the slow fog zone, the Phishing attack by Electrum forged upgrade tips has stolen at least 200 BTCs, and this attack cannot be avoided by upgrading Electrum alone, requiring the entire ecological service to make corresponding changes (because Electrum is not a full node, and then on the transaction broadcast and the corresponding server has a message communication, the attacker can also deploy a malicious server)
Bitcoin Wallet Electrum confirms a phishing attack against its users, reminding them not to download Electrum Wallet software from any channel other than the official website. Earlier media reports said Electrum users had maliciously stolen millions of dollars worth of cryptocurrencies. Hackers create Electrum wallet software with malicious code, induce users to download, and trick users into providing login information such as passwords to commit theft.
Supports stealing BitcoinGold, electrumG, btcprivate (electrum-btcp), bitcore, Exodus.
The Bitcoin desktop wallet client Electrum has released a beta version 4.0, which adds support for several important updates such as the Lightning Network. This version is nearly a year away from the previous version of Electrum 3.3.8 (July last year)
Implement blacklisting logic to alert malicious servers outside the Electrum client view.
GateChain Testnet 2.0 Released GateChain Testnet 1.0 on September 30, 2019.
With Testnet/2 and Testnet/3 running simultaneously, Testnet/2 is nearing its end and Testnet/3 is starting and stabilizing.

Turn on Electrum.
Use BitHD shields and blades to prevent Electrum wallet "message defects" attacks.
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 android testnet

According to the dimensionality reduction security laboratory (johnwick.io), hackers launched a denial of service (DoS) attack on the well-known wallet Electrum server. The hackers used a botnet of more than 140,000 computers to attack Electrum nodes and deployed malicious nodes at the same time . When users connect to these malicious nodes and use the old version of Electrum to send transactions
Shunto touch melon, open the github of the electrum, we find the following code in the electrum/electrum/ecc.py.
Like Bitcoin's core wallet, Electrum Wallet allows users to control their own funds and private keys. Electrum wallets' private keys can also be exported and used on other supported wallets to access funds. Electrum apps are available for Windows, Linux, OSX and Android, but do not support iOS and browser clients.
Trojan.BeamWinHTTP loader, which also involves downloading previously detected Electrum DoSMiner.
The famous desktop and Android Wallet Electrum will integrate SegWit at the next release, which is expected to be completed by the end of this year.
Code protocols have been submitted more than 600 times by nine developers in the past year. Dash improvement protocols have been largely inactive over the past year (bottom, below). DASH Core v0.15 was released in February with improvements to the local UI, memory pool synchronization, and PrivatSend. Electrum, Android and iOS wallets are also updated regularly.
In recent days, hackers or hacker groups have stolen more than 200 bitcoins worth about $750,000 by attacking the infrastructure of electrum Bitcoin wallets. The attacker is targeting Electrum.
Testnet/2 and Testnet/3 both operate relatively steadily and are currently mostly on Testnet/2.

Electrum LTC wallet.
Electrum can be used for Windows, Mac and Linux, as well as Android. Electrums was originally created in 2011 compared to other software wallets, and one of the biggest advantages is that its server indexes the blockchain instead of downloading the entire Bitcoin blockchain, which makes downloads faster and less downloadable. Electrum also provides many protections for your Bitcoin, including cold storage, allowing you to store Bitcoin offline, and restoring the "seeds" of Bitcoin in the event of a failure (hackers, computer corruption, etc.)
Well-known Bitcoin wallet Electrum "update phishing" currency theft continues.
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.
Complete qtum-electrum-new QRC20 Token and smart contract functionality.
Electrum Cash.

NewPay 1.2 TestNet Android users can upgrade by clicking on My, Settings, About, Check for Updates, or download NewPay 1.3 from the link below.