FIELD: physics, computer engineering.
SUBSTANCE: invention relates to a system and a method of processing transactions. The method comprises steps of receiving, at a server computer from a terminal, an envelope associated with a transaction, wherein the envelope includes unencrypted detailed transaction data, a label extracted from the key associated with a terminal, an account identifier and at least a first part of the detailed transaction data; converting the label into an account identifier; verifying that the account identifier is associated with a real account and verifying the transaction, wherein verification ensures that the envelope was not modified between the terminal and the server computer.
EFFECT: improved security of financial transactions.
20 cl, 12 dwg
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