Block chain security system and method for takeaway service in residential area
A security system and blockchain technology, applied in the field of community takeaway service blockchain security system
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Embodiment 1
[0090] Embodiment 1: The present invention relates to a block chain security system for community takeaway service, which uses blockchain to provide precise security for takeaway service personnel entering and leaving the community, effectively ensuring the security of the community and making the security of the community more intelligent. The working diagram of the system is as follows figure 1 As shown, 1 in the figure is the access control of the community, and its mechanical structure is not limited, 2 is the blockchain community access control operating system, 3 is the user terminal of the community, which can be but not limited to mobile terminals, pad terminals, and computer terminals, and 4 is food delivery. The personnel terminal can be, but not limited to, a mobile phone terminal, a pad terminal, and a computer terminal. 5 is the community access control management system, and 6 is the takeaway service platform. The system works as figure 2 As shown, the communit...
Embodiment 2
[0100] Embodiment 2: On the basis of Embodiment 1, this embodiment is aimed at the situation of order cancellation
[0101] Takeaway buyer APP: cancel the order, and send the cancel order message to the service communication module 603 of the takeaway service platform 6; the service communication module 603: receive the cancel order information from the community user terminal 3; send the cancel order information to the takeaway service terminal 601; The key invalidation information is sent to the terminal 4 of the designated food delivery personnel and the community communication module 503 of the community access control management system 5; the food delivery service terminal 601: will cancel the order; server 602: the key corresponding to the order is invalid, and sends the key invalidation The information is sent to the service communication module 603.
Embodiment 3
[0102]Embodiment 3: In the case of being late during the delivery process, this embodiment is aimed at the late processing system: takeaway service terminal 601: when the key is not used within the valid time, update the order data and regenerate a new set of keys , the previous key will be used as the old key for invalidation processing, and the new key information and the old key invalidation information will be stored in the server 602; the new key information and the old key invalidation information will be sent to the service communication module 603;
[0103] Service communication module 603: Send new key information and old key invalidation information to the terminal 4 of the designated food delivery personnel and the community communication module 503 of the community access control management system 5.
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