SYSTEM AND METHOD FOR PROTECTING INFORMATION Russian patent published in 2020 - IPC G06F21/60 H04L9/08 G06Q20/10 

FIELD: information protection.

SUBSTANCE: invention relates to data protection. Machine-implemented method comprises: authentication of the transaction amount t for the transaction by means of an obligation scheme to obtain the transaction identification value T, wherein the commitment circuit comprises at least a transaction concealment coefficient r_t; encryption of a combination of the transaction concealment coefficient r_t and the transaction amount t through the second public key PK_2_B of the transaction recipient, wherein recipient is additionally associated with first public key PK_1_B as address to receive transaction amount t; and transmitting the transaction identity value T and the encrypted combination to the recipient node associated with the recipient for verifying the transaction with the destination node.

EFFECT: technical result is to ensure protection of transaction data.

23 cl, 7 dwg