Non-interactive privacy protection: The ECDH algorithm generates a blinding factor for the other party, which can be restored, while the third party cannot. The receiver can restore the blinding factor by doing algeographic operations with the receiver's private key and the sender's public key, and the third party cannot restore the blind factor without the private key of both parties, thus achieving the purpose of hiding from the third party.

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.

Although "Don't master the private key, don't master your Bitcoin" is the trend, and absolutely right, but ignored one point.

As a concrete step, A encrypts the original text with B's public key, then sends the secret text to B, which receives it and decrypts it with its own private key. But just knowing the public key is no way to restore the private key information.

Electrum wallets have lost about $4 million to fishing attacks since December.

You must use the appropriate software to provide two-factor authentication services (e.g. Google Authenticator)

This article is a beginner's guide to windows operating systems that almost always uses GUI (graphical interface) operations to guide you through installing target software, importing signature keys, downloading files, and verifying the authenticity of binary files.

According to Bleeping Computer, the Bitcoin wallet app Electrom was on GitHub on May 9th, accusing a phishing product called Electrum Pro of stealing a user's seed key and registering a domain name called electrum without Electrum's permission. The Electrum team noted that there was a piece of code indicating that the counterfeit product might have taken the user's seed key and uploaded it to the electrum. Affected users should transfer funds from Bitcoin URLs managed by Eletrum Pro.

UBTC Electrum supports transfer-to-contract UI interface (test chain)

Bitcoin Wallet Electrum now supports Lightning Online Payments According to Coindesk July 11th, Bitcoin Wallet Electrum now supports Lightning Web Payments. It has previously been reported that Bitcoin Wallet Electrum has released a beta version of Electrum 4.0, adding support for the Bitcoin Lightning Network.