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 now supports Lightning online payments, according to Coindesk on July 11. It has previously been reported that Bitcoin Wallet Electrum has released a beta version of Electrum 4.0, adding support for the Bitcoin Lightning Network.
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.
In this demo, Electrum developer Chris Belcher shows how to set up and use an Electrum personal server.
Click to get the Electrum Personal Server source code and the Electrum Wallet source code.
The Electrum team has announced the attack in an official tweet, saying that "this is an ongoing phishing attack on Electrum users" and reminding them to check the authenticity of the client's source before logging in. The team published its official website, and the Electrum clients downloaded elsewhere may be problematic.
For the RBF core, the K-exp (-(x-x') is calculated as 2/2 x.
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Wallet Qtum Electrum
Chain News, lightweight Bitcoin Wallet Electrum announced that the next version will support Lightning network payment, implemented using Python, Electrum as a Lightning network node, wallet users do not need to run lightning network nodes to make payments, electrum lightning network nodes have been merged into the Electrum master branch.
"kernel": ("rbf", "poly", "sigmoid")
A botnet with more than 140,000 machines has launched a DoS attack on the server of Bitcoin wallet Electrum in an attempt to direct users to software versions designed to steal bitcoins, Theextweb reported. Electrum users have been advised to take extra care when using the platform until the issue is resolved. Security researchers familiar with the matter say that if a user installs a fake version of Electrum, all funds contained in the old version will be lost immediately.
This update prompt is not an official act of Electrum, but a phishing attack by an attacker that exploits a message flaw on the Electrum client and the ElectrumX server, which requires the attacker to deploy the malicious ElectrumX server in advance, and the malicious server is localized by the user's Electrum client (because the Electrum client is a light wallet and the user needs the ElectrumX server to broadcast the transaction). At the time of the madness, malicious ElectrumX servers accounted for as many as 71% of the total, and according to incomplete statistics, hundreds of bitcoins have been stolen in this phishing attack over the past year or so.
This isn't the first time electrum has appeared in a fake version. In December, nearly $1 million of BTC was stolen when hackers developed a fake encrypted wallet, Electrum. 1 this year.
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.
Article Link : Digital Wallet Electrum Hacked, Loss of 250 Bitcoins (Copy Link)
Slow Fog: Bitcoin Wallet Electrum updates the phishing theft that continues.
When Electrum wallets are synchronized with malicious servers, they are instructed to "update" clients provided by hackers, resulting in the loss of assets contained in older versions. Previously, in December 2018, Electrum.
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.
How malicious scam ads work. It is understood that the malicious ad disguised as an Electrum ad, click on the ad, will start downloading EXE files. In fact, users enter fake URLs.
Light wallet Qtum Electrum.
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At this time, the SPV-based Electrum wallet became the new favorite of Bitcoin players. Especially for small partners who are new to Bitcoin, editors recommend using electrum wallets.
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Wallet, Coldlar, Electrum, Huobi.