Mobile memory capable of remotely destroying confidential data

The invention relates to a mobile memory, in particular to a mobile memory capable of remotely destroying confidential data, and the mobile memory comprises a block chain client which is connected with a block chain network, communicates with a block chain node, and calls a smart contract to execute a destroying operation based on a destroying request sent by a data destroying module. Meanwhile, a destruction operation result sent by the data destruction module is recorded in the block chain network; the data storage module is used for storing the user data and encrypting the user data; the data destruction module receives the destruction request, verifies and checks the destruction request, sends the destruction request meeting verification and check requirements to the block chain client, receives a destruction operation result fed back by the smart contract, and sends the destruction operation result to the block chain client; according to the technical scheme provided by the invention, the defects that re