Electronic certificate storage method and system, electronic equipment and computer readable medium

The embodiment of the invention discloses an electronic certificate storage method and system, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the following steps: acquiring a user type; displaying at least one acquisition control in the evidence storage interface; in response to detection of a selection operation acting on any acquisition control in the at least one acquisition control, acquiring a promotion information electronic certificate; determining file attribute information; performing hash processing on the promotion information electronic certificate; determining electronic certificate storage information according to the electronic certificate hash information and the file attribute information; determining a first block chain according to the user type and each preset first block chain; storing the electronic certificate storage information to the first block chain; and sending the electronic certificate storage information to a first server, so