Parent, the parent of the current operation step, executes the child node before the parent node.

Suppose you want to use a single project as a child item in a repository, the traditional approach is to copy the project to the parent repository, but what if you want to use the same child project in multiple parent projects? If you copy a child project to all parent projects, it is not feasible that you will make changes in each parent project when there are updates. This can result in redundancy and inconsistent data in the parent project, making it difficult to update and maintain child projects.

Robinhood, a financial services mobile app, added support for Litecoin (LTC) and Bitcoin Cash (BCH) to its cryptocurrencies trading platform, according to a July 12 blog post.

DeViable Security Labs hereby suggests that versions of Electrum below 3.3.4 are vulnerable to such phishing attacks, and users using Electrum Wallet are requested to update to the latest version of Electrum 3.3.8 via the official website (electrum.org), which has not yet been officially released, and do not use the link in the prompt to avoid asset losses.

Canonical, publisher of Ubuntu, says Ubuntu is the first Linux distribution to support WSL and is the first choice for many WSL users. Ubuntu 20.04 LTS for WSL has been released synchronously with Ubuntu 20.04 LTS in April this year. Ubuntu is also ready for WSL 2, and all Ubuntu versions can be raised to WSL 2.

Bitcoin Wallet Electrum has released a beta version of Electrum 4.0, which supports the Lightning Network.

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Lightning support in Electrum has been around for a long time. Thomas Voegtlin, the founder of Electrum, first told CoinDesk last summer that Lightning would take it to the next version.

By default, electrum wallets are randomly connected to a set of Electrum servers. From a privacy perspective, this is not a good thing because it discloses your wallet address and balance to unknown third parties. And unfortunately, many public Electrum servers are run by individuals or groups of blockchain analytics companies or worse. Therefore, if you are using an Electrum wallet, it is generally recommended that you run your own Electrum server and then connect the wallet to that server.

To use mnomets to transfer addresses from electrum wallets to web wallets, you need to set Electrum to be compatible with Qtum phone mnomets in the initial installation (and then use phone wallet mnomets to restore phone wallets on Electrum). This setting is screenshot of the Electrum configuration.