FIELD: data processing.
SUBSTANCE: invention relates to a method and an apparatus for blockchain-based data processing. Method comprises, by means of a blockchain node, a first node service data, first service data attribute value used to present uniqueness of first service data, determining, based on the attribute value of the first service data and the stored attribute values of the second service data, which have been processed, whether the first service data were processed, if the first service data were not processed, storing the first service data in the database, and broadcasting the first service data to the additional blockchain node, which refuses to process the first service data after receiving the first service data from the present blockchain node, obtaining, from the database, a predetermined number of service data containing the first service data, and activating the matching operation with respect to the predetermined number of service data.
EFFECT: technical result consists in improvement of efficiency of data processing.
11 cl, 3 dwg
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