INFORMATION PROTECTION SYSTEM AND METHOD Russian patent published in 2020 - IPC G06F21/00 

FIELD: information technology.

SUBSTANCE: invention relates to information security devices. Computer-implemented information protection method comprises: determining one or more data inputs and one or more data outputs for a transaction, wherein the data inputs are associated with the input data types, respectively, and the data outputs are associated with the output data types, respectively; encryption of types of input data and types of output data; assurance of each of encoded types of input data and encrypted types of output data by means of a commitment circuit for obtaining corresponding certifying values; obtaining, at least, parameter R on the basis of at least certifying values; and providing a transaction to one or more nodes in a blockchain network with parameter R disclosure and without disclosing types of input data and output data types for nodes to check consistency between types of input data and types of output data.

EFFECT: technical result of the invention is to protect online information.

22 cl, 5 dwg