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The world-renowned Bitcoin wallet Electrum "update phishing" currency theft continues.

Users affected by the coinbase UK issue: Coinbase UK only. UK residents can still buy and sell Zcash through cex.io. No other exchanges in the UK have been affected.

Cryptocurrencies exchange CEX.io and Bitcoin miner GHash.io have launched new businesses to create open source APIs for Bitcoin apps. As a result of the announcement, CEX.io quickly launched a comprehensive API for the Bitcoin network, with highly competitive companies including Gem, which recently launched a beta version.

Users affected by the coinbase UK issue: Coinbase UK only. UK residents can still buy and sell Zcash through cex.io. No other exchanges in the UK have been affected.

Coinomi, a multi-asset cryptocurrency wallet, has an important security vulnerability that security researchers say sends users' seed phrases to third-party servers in plain text, Cryptoglobe reported.

Bitcoin Wallet Electrum releases Selectrum 4.0 beta support for the Lightning Network.

Use the tool Electrum to export the private key of BTC address 1DSPxFd4xwkJGCPKKYHICWFXDLPNqgvdAB, see screenshot for details.

Electrum is a well-known light wallet for Bitcoin that adds new features such as server authentication using SSL to prevent MITM attacks. So unlike other Bitcoin light wallets, Electrum cannot communicate directly with different versions of Bitcoin full nodes, and each startup connects to electrumserver to communicate, and electrum.

Many developers, such as the team behind The Flash Web Implementation and Bitcoin Wallet Electrum, are working on using this new format. Litecoin developers are also working on it, and Litecoin recently activated SegWit.

Electron Cash is only a version of Electrum, so if you're used to Electrum, you won't have any problems.

Analysis . . . Bitcoin wallet Electrum "update phishing" currency theft continues.

Electrum is a world-renowned Bitcoin light wallet with a long history of multi-signature support 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 "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. This captured currency theft attack is not stealing the private key (electrum's private key is generally stored with two-factor encryption), but replaces the transfer destination address when the user initiates the transfer. Here we remind users that when transferring money, special attention needs to be paid to whether the destination address has been replaced, which is a very popular method of currency theft recently. It is also recommended that users use hardware wallets such as Ledger, and if you pair it with Electrum, although the private key does not have any security issues, you should also be alert to the replacement of the destination address.