Many small partners who have just come into contact with blockchain may be puzzled to see that "Bitcoin transactions require 6 block confirmations". Why do I need 6 blockchain confirmations? Does it mean 6 Bitcoin miners confirmed online?
By splitting the IBC mechanism into two separate transactions, we allow the local toll market mechanism of the receiving chain to determine which packages (i.e. confirmations) to commit, while allowing the sending chain complete freedom to decide how many outbound packages are allowed.
So how many confirmations are there?
The Electrum team has also been developing other features. Electrum Wallet users can view the full release notes here.
The attacker set up a large number of malicious servers. Once a user's Electrum wallet is connected to these servers, they see what appears to be an official message when they send a Bitcoin transaction, telling them to upgrade the Electrum wallet, which actually contains a fraudulent URL.
One victim wrote in another Reddit post: "When I logged on to the site, I was immediately asked for a 2 Factor code that I thought was a bit strange, and Electrum usually only asks when you're trying to send an email." And added.
If you want to import a private key into a hardware wallet such as a ledger, you need to perform additional steps. First, you need to import the private key into a wallet such as Electrum before you can send coins to your ledger address.
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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.
DAG technology is many and can theoretically support unlimited, but DAG is using asynchronous communication mode, there will be a lot of redundancy, will produce multiple confirmations, secondary transactions, Xdag how to solve these problems?
The fact that not many people know is that Esplora is bundled with a based and optimized Electrum server. This Electrum server is derived from Electrs and is now maintained separately by the Blockstream engineering team. Over the past two years, Esplora has become one of the fastest and most scalable Electrum server solutions available for Bitcoin due to continuous updates and performance optimization. Esplora is also the only Electrum server that supports liquid networks.
Planet Daily News 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-sign wallet for Bitcoin or even USDT (Omni). 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 a "message flaw" that allows an attacker to send an "update prompt" through a malicious ElectrumX server. This "update tip" is very confusing for the user, and if you follow the prompt to download the so-called new version of Electrum, you may get a trick. According to user feedback, because of this attack, stolen bitcoins are in the four digits or more.
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Xiaoming only wants to run a light client mobile wallet, which can be verified. The SPV designed by Mr. Ikmoto can help Xiaoming determine whether the seller's payment transactions already exist in the blockchain, whether they have been verified, and how many confirmations there are.