The invention discloses a method and a
system for improving lottery sales rewarding safety based on
encryption processing, and relates to the technical field of bill
verification. The method comprises the following steps: based on a lottery sale terminal, obtaining a transaction
timestamp of current lottery purchase, a sale terminal mark, a position code identifier and lottery type information, encoding parameters, performing
encryption processing, constructing a unique dynamic
encryption identifier of a lottery, and obtaining encrypted bill information. According to the method, the corresponding dynamic encryption identifier is created for each transaction by using the transaction
timestamp, the point-of-sale terminal identifier and the position code identifier, so that the anti-counterfeiting capability of the bill is improved, and the judgment accuracy of the authenticity of the
lottery ticket is improved by comparing the pre-stored information stored in the
database with the data collected by the prize claiming terminal in the prize claiming stage; in combination with a biological recognition technology, the consistency of a prize claiming person and a
ticket buyer is ensured, and the occurrence of manipulation and fraud behaviors is prevented through continuous tracking and deviation analysis of the prize winning probability of the user.