As of press time, phishing attacks that forged Electrum upgrade notifications have stolen at least 1,450 BTC (the number stolen is officially counted by a user, anti-malware companies Malwarebytes and Electrum), with a total value of approximately $11.6 million. It is worth mentioning that Electrum versions lower than 3.3.4 are vulnerable to such phishing attacks. Users who use Electrum wallets should update to the latest version Electrum 3.3.8 through the official website (electrum.org). At present, v4.0.0 has not been officially released. Version, please do not use the link in the prompt message to update, so as to avoid loss of assets
Electrum 0.18.8 is available for details at github.
Electrum tweeted today about the incident, saying it was "a persistent phishing attack on Electrum users" and imploring users to check the effectiveness of the resources they log on to.
Bitcoin wallet Electrum official Twitter announced that the next version of Electrum will support Lightning online payments. Its lightning node implementation has been consolidated into the main branch of Electrum. Electrum also confirmed that the wallet will adopt a new implementation of in-house development written using Python.
In this demo, Electrum developer Chris Belcher shows how to set up and use electrum personal servers.
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)
Note: When one function calls another function, the return address is stored in the stack. When the called function is complete, control is transferred to the return address. Therefore, if you override this address, you can control the program execution process. For example, an attacker could replace this address with an address of a malicious shellcode located in the program address space.
Electrum fakes upgrade tips for phishing attack theft of at least 200 BTCs.
Qtum Electrum Light Wallet fixes a number of stability vulnerabilities, see github for details.
A new repo qtum-electrum-new was built to add qtum-related features to the latest code for Bitcoin electrum.
Electrum - Lightweight Bitcoin client.
return address (retval)
Hardware wallet is best to have a screen, easy to transfer out when the user to confirm the correct address, because this will appear the target address hijacked and replaced, such as the old version of Electrum, some mainstream currency matching online web environment and so on.
The latest version of Electrum 4.0, the Bitcoin wallet, was released On Wednesday, adding support for the Bitcoin Lightning Network, according to Decrypt. The service can be enabled through Electrum's application or through the command-line interface. In an application, the user must search the Information section to open it. The new version of Electrum also supports "Submarine Swaps", allowing people to return bitcoins on the chain in exchange for a lightning version for a fee.