US Patent 11895243 Systems and methods for data transfer and storage

A method for data transfer and storage is provided. The method may include: encrypting data generated by a terminal device; storing duplicated copies of the encrypted data respectively in a first storage device and a second storage device, which are removably inserted into the terminal device; generating, with the terminal device, a message authentication code associated with the encrypted data; transmitting the message authentication code to a first server; physically transporting the first storage device to a remote location of the first server, and upon the first storage device being inserted into the first server, determining whether the encrypted data stored in the first storage device are damaged using the message authentication code; and in response to a determination that the encrypted data stored in the first storage device are not damaged, transmitting the encrypted data from the first storage device to the first server.