electrum wallet not showing transaction

electrum re use address, One-Time-Address

The fact that not many people know is that Esplora is bundled with a based and optimized Electrum server. This Electrum server is derived from Electrs and is now maintained separately by the Blockstream engineering team. Over the past two years, Esplora has become one of the fastest and most scalable Electrum server solutions available for Bitcoin due to continuous updates and performance optimization. Esplora is also the only Electrum server that supports liquid networks.

electrum wallet transaction unconfirmed, electrum

The attacker set up a large number of malicious servers. Once a user's Electrum wallet is connected to these servers, they see what appears to be an official message when they send a Bitcoin transaction, telling them to upgrade the Electrum wallet, which actually contains a fraudulent URL.