All About Lightning Electrum
and open the web page, then your wallet may have been compromised. Particularly paranoid people may want to send all BTCs from their old Electrum wallets to the newly generated Electrum wallet.
If you haven't set up Electrum Wallet to be compatible with your phone wallet, you can use the private key to recover the Electrum wallet on your web wallet. Select Wallet - "Private Key" - "Export" on the Electrum wallet and you will export the file qtum-electrum-private-keys.csv or copy only one private key. Select Recover from WIF on your web wallet, paste the private key, and select Confirm. Check that the wallet address is correct. You may need to use Dump as a Key File to save the key file.
However, after electrum officials said in early 19th that some security mechanisms should be put in place to prevent this "update phishing", many users of Electrum are still in the old version.
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.