SYSTEM AND METHOD FOR INCREASING SAFETY OF A SMART CONTRACT IN A CHAIN OF UNITS Russian patent published in 2021 - IPC G06F21/00 

FIELD: data processing.

SUBSTANCE: invention relates to a computer-implemented method for improving security of a smart contract and comprises: obtaining first and second transactions, both of which cause a smart contract, wherein the first transaction is associated with the security condition; performing a second transaction and updating the current state of the smart contract; determining whether or not the updated current state of the smart contract meets the security condition; in response to determining that updated current state satisfies security condition, execution of the first transaction and recording of the second and first transactions in the data unit for adding to the chain of blocks; and in response to determining that updated current state does not meet security condition, writing a second transaction to another data unit for adding blocks to the chain, without executing the first transaction.

EFFECT: invention is aimed at improving security of smart contracts with simultaneous risk reduction.

20 cl, 7 dwg