Electrum Lightning

Lesson 1: Third-party Electrum servers can link your two transactions together. This can be avoided by running your own Electrum server, supported by your own full node.

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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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

Install the Electrum wallet and configure it to use Tor or the Data OS operating system.

More importantly, however, is how long does the commercialization of ASIC mines take? How long does it take for ASIC miners to move from a monopoly market to a truly competitive environment? In fact, the process takes much longer than you think. Bitcoin has just started the process, it's taken more than five years, you know - it's just a lot, it's going to take many, many years to get it done. However, the longer it takes, the more vulnerable the agreement is to collusion and manipulation by a small group of miners.

In a forum post on Bitcointalk, website administrator Theymos explained: "If at any time in the past you've logged in to Electrum without a wallet password and opened a web page, your wallet might have been stolen." Particularly paranoid people may want to send all bitcoins (BTCs) from their old Electrum wallets to the newly generated Electrum wallet. "

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.

The electrum and Electrum-LTC versions below 3.3.3 are vulnerable to phishing attacks in which a malicious server displays a message asking the user to download the fake Electrum. To prevent user exposure, versions older than 3.3 can no longer connect to public servers and must be upgraded. Do not download software updates from sources other than electrum.org and electrum-ltc.org.