Lightweight Bitcoin Wallet Electrum announced that the next version will support Lightning network payments, implemented with Python, an electrum network node where wallet users do not need to run Lightning network nodes themselves to make payments, and electrum's Lightning network nodes have now been merged into the Electrum master branch.
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.
With the development of Bitcoin, transactions without handling fees will not be confirmed by miners packaging, so many Bitcoin clients, wallets have customized the fee standard. This results in different Bitcoin clients, and transfer fees may not be consistent. Currently, the mainstream fee is charged by bytes: 0.0001 BTC per thousand bytes (transactions of less than one thousand bytes are calculated at one thousand bytes)
Because OutputBuffer has not been requested anywhere and does not check how many bytes are actually set during this process, random kernel memory will leak into user space.
Click to get the Electrum Personal Server source code and the Electrum Wallet source code.
In addition to supporting Lightning payments, Electrum 4.0.2 now supports many other innovations with this new release, which allows users to use Lightning more securely and avoid trouble.
B: Electrum server can customize messages to appear in the user's electrum light wallet software, giving hackers a chance to broadcast phishing messages.
Qtum Electrum Tutorial Qtum Electrum Light Wallet.
Now that we understand the benefits of Electrum, we can start using Electrum. Before use, prepare pens and paper to facilitate the recording of safety seeds.
Bytes(), S. Bytes()
The Electrum team has also been developing other features. Electrum Wallet users can view the full release notes here.
January 19 (Xinhua) -- Electrum is a world-renowned Bitcoin light wallet with a long history of supporting multi-signatures and a very broad user base, many of which like to use Electrum as a cold wallet or multi-signature wallet for Bitcoin or even USDT (Omni), according to the Slow Fog Security team. Based on this usage scenario, Electrum is used less frequently on the user's computer. The current version of Electrum is 3.3.8, and previous versions of 3.3.4 are known to have "message defects" that allow an attacker to send an "update prompt" through a malicious ElectrumX server. This "update tip" is very confusing to the user, and if you follow the prompt to download the so-called new version of Electrum, you may be tricked. According to user feedback, because of this attack, stolen bitcoins are in the four digits or more.
When an Electrum wallet queries a third-party Electrum server, the server can link two transactions together and know which address is a zero address.
This "update tip" 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 the show doesn't fully count that hundreds of bitcoins have been stolen in this phishing attack over the past year or so.
How much data does blockchain need to process and ensure? All right. It depends on how many TPS you want. With rollup, you can compress most activities to about 10-20 bytes per trade, so 1kb/s, about 50-100 TPS, 1MB/s about 50,000-100,000 TPS, and so on.