How to send salted fish when selling electronic cards?

Send account number and password. The salted fish electronic card will not be shipped directly because it is a virtual product. The seller sends the account password of the electronic card to the buyer, and the buyer actively modifies the password to complete the delivery of the electronic card. When buying salted fish, try to choose the seller with real pictures and read the seller's comments. If there are too many bad reviews, you must pay attention to them and try not to buy them.