TW201826772A - Blockchain technology-based robust atm network system and information processing method therefor - Google Patents

Abstract

The present invention relates to a blockchain technology-based robust ATM network system and an information processing method therefor. The information processing method comprises the following steps: an ATM node generating transaction information; after performing specified processing on the generated transaction information, the ATM node performing block packaging to generate blockchain information; the ATM node broadcasting the blockchain information to an entire network; a server serving as a monitoring node to regularly synchronize the blockchain information in an ATM network; and the server analyzing the blockchain information and storing the same. In the present invention, the server can serve as a monitoring node to directly synchronize all information, thereby facilitating aggregation of transaction information. Moreover, use of an asymmetric cryptographic algorithm to perform specified processing on the transaction information ensures security of the transaction information.

Description

Robust ATM network system and information processing method based on blockchain technology

[0001] The present invention relates to the field of blockchain application, and in particular, to a robust ATM network system and information processing method based on the blockchain technology.

[0002] The current patents on ATM security systems focus on how ATM terminals verify this level. There are the following deficiencies in the prior art: (1) ATM requires dedicated network communication, and regularly confirms the transaction flow of each ATM terminal separately, with a large workload; (2) ATM and point-to-point communication with the bank server, once the communication line or servo If there is a problem with the device, ATM will not be able to trade normally. (3) The risk of ATM single point access to the cloud will also be transferred to the network security problem of the entire operating platform. [0003] In the Chinese patent application number CN200910039733.5, the patent name is: "A secure ATM system and its operating method" provides a secure ATM system and its operating method, which is based on MOBILE KEY and mobile phone NFC technology perform ATM verification. However, this patent document does not involve optimization of the ATM network, nor can it solve the above-mentioned problem of point-to-point communication between the ATM and the bank server.

[0004] In order to solve the above-mentioned problems, an object of the present invention is to provide a robust blockchain-based technology based on blockchain technology that can effectively solve the problem that ATM cannot communicate with a server in a single point of communication under the premise of ensuring transaction information security. ATM network system and its information processing method. [0005] The robust ATM network system based on blockchain technology of the present invention is characterized by: 具备 ATM decentralized network, which is composed of multiple ATM nodes based on blockchain technology, where any one ATM node is at least Another ATM node is connected; and a server is communicatively connected to the ATM decentralized network. [0006] Preferably, the ATM node is provided with: (i) an information processing module configured to perform block processing on the transaction information generated by the node and generate block chain information; (ii) a broadcast module configured to generate the generated area information; Blockchain information is broadcast to the entire network; and storage modules are used to store transaction information and blockchain information. [0007] Preferably, the prescribed processing includes: 实施 implementing asymmetric encryption of the transaction information generated by the node; attaching an ATM identification and a time stamp. [0008] Preferably, the asymmetric encryption includes any one of RSA, Elgamal, D-H, and elliptic curve encryption algorithms. [0009] Preferably, the ATM node further includes: a key acquisition module for acquiring, from a server, a key for asymmetrically encrypting transaction information of other ATM nodes within a predetermined range based on relevant rules; and a decryption module; , Use the obtained key to decrypt the transaction information of other AMT nodes. [0010] Preferably, after one ATM node broadcasts the blockchain information to the entire network, other ATM nodes update the stored blockchain information in real time so that each node has the blockchain information of all ATM nodes. [0011] Preferably, the server is provided with: a monitoring module for the ATM distributed network as a monitoring node; a analysis module for analyzing the transaction information of the encrypted ATM node; and a storage module, It is used to store transaction information parsed by the analysis module. [0012] The information processing method in the robust ATM network system based on the blockchain technology of the present invention, the ATM network system is composed of an ATM decentralized network and a server, wherein a plurality of ATM nodes are based on a block Chain technology constitutes an ATM decentralized network, which is characterized in that the information processing method includes the following steps: transaction information generation step, ATM node generates transaction information; transaction information processing step, the ATM node performs prescribed processing on the generated transaction information Perform block packaging to generate blockchain information; Transaction information broadcasting step, the ATM node broadcasts blockchain information to the entire network; server monitoring step, the server as a monitoring node periodically synchronizes the blockchain information in the ATM network; and Server information storage steps; the server parses the blockchain information and stores it. [0013] Preferably, the transaction information processing step includes the following sub-steps: the ATM node performs asymmetric encryption processing on the generated transaction information; 附加 attaches an ATM identification and a time stamp to the transaction information after the asymmetric encryption processing; and The transaction information after the above processing is block-packed to generate blockchain information. [0014] Preferably, the asymmetric encryption includes: any one of RSA, Elgamal, D-H, and elliptic curve encryption algorithms. [0015] Preferably, in the transaction information broadcasting step, the ATM node broadcasts the blockchain information to the entire network, and other nodes update the blockchain information so that each node has the blockchain information of all ATM nodes, And other nodes update the blockchain information to the storage area of the ATM node. [0016] Preferably, the method further includes: A key acquisition step, in which the ATM node acquires, from the server, a secret key for asymmetrically encrypting transaction information of other ATM nodes within a predetermined range from the server based on relevant rules. [0017] Preferably, the time stamp is generated by a server and has a uniform time in the ATM distributed network. [0018] Preferably, the server monitoring step includes the following sub-steps: The server as a monitoring node periodically synchronizes the blockchain information in the ATM network to the server; and the server parses the synchronized blockchain Information. [0019] In the robust ATM network system and information processing method based on the blockchain technology of the present invention, by establishing an ATM decentralized network structure, the ATM node performs two functions of service and billing, in the form of a block Encrypted records of all ATM transaction information, collectively maintaining a reliable ATM transaction information database, which has the advantages of chronological recording, non-tamperable, and trustworthy. In any one ATM node, there is information of all ATM transactions. The server can act as a monitoring node to synchronize all information directly, which is convenient for the aggregation of transaction information. At the same time, the security of transaction information is guaranteed by hash algorithms and asymmetric encryption algorithms. Due to the advantages of decentralization, it solves the problem that the ATM cannot communicate with the server in the case of a single-point communication abnormality, and ensures the effective operation of the ATM. At the same time, the ATM transaction information will not be lost due to the abnormality of the central server.

[0024] What follows are some of the various embodiments of the present invention, which are intended to provide a basic understanding of the present invention. It is not intended to identify key or critical elements of the invention or to limit the scope of protection. [0025] The present invention relates to a robust ATM network system and information processing method based on blockchain technology. The invention relates to the shortcomings of the server one-to-many communication network under the existing ATM private network communication. Based on the blockchain technology, an ATM decentralized network is designed. ATM transaction information is asymmetrically encrypted, and ATM transaction information is added. Time stamping, block packing, broadcast transaction information through the entire network, all ATM nodes will save all transaction information. The server of the ATM deployment bank can be used as a monitoring node to join the distributed network to monitor and synchronize the ledger. After analysis, it is structured and stored in the database. [0026] Before explaining the robust ATM network system and its information processing method based on the blockchain technology of the present invention, the blockchain technology will be briefly introduced first. [0027] Blockchain is a decentralized database system in which nodes participate. It is characterized by being unchangeable, unforgeable, and can also be understood as an account book system. It is an important concept of digital cryptocurrency. Digital cryptocurrency, such as a copy of the Bitcoin blockchain, records every transaction of its token. With this information, we can find the value of each address at any point in history. The blockchain is composed of a series of data blocks generated using cryptographic methods. Each block contains the hash value of the previous block. It starts from the founding block and connects to the current block to form a blockchain. A blockchain is a series of data blocks that are generated by using cryptographic methods.Each data block contains information about a Bitcoin network transaction. It is used to verify the validity of its information (anti-counterfeiting) and generate the next block. . [0028] In a narrow sense, a blockchain is a type of chained data structure that combines data blocks in a sequential manner in a chronological order, and it is a cryptographically guaranteed non-tamperable and non-forgeable decentralized ledger. . In a broad sense, blockchain technology uses blockchain data structure to verify and store data, uses decentralized node consensus algorithms to generate and update data, uses cryptography to ensure the security of data transmission and access, and utilizes automation by A new type of decentralized infrastructure and computing paradigm with smart contracts composed of script code to program and compute data. [0029] The nature of blockchain technology is a decentralized and decentralized structure of data storage, transmission, and certification methods. Blocks are used to replace the current Internet reliance on a central server, making all data change or Transaction projects are recorded on a cloud system. The so-called district centralization means that due to the use of decentralized accounting and storage, there is no centralized hardware or management organization. The rights and obligations of any node are equal. The data blocks in the system are maintained by the entire system. Nodes to maintain together. [0030] FIG. 1 is a structural diagram showing a robust ATM network system based on the blockchain technology of the present invention. As shown in FIG. 1, the robust ATM network system based on the blockchain technology of the present invention includes an ATM distributed network 100 and a server 200 that is communicatively connected to the ATM distributed network 100. [0031] The server 200 includes a monitoring module 210, an analysis module 220, and a storage module 230. The monitoring module 210 is used as a monitoring node in the ATM distributed network 100, the analysis module 220 is used to analyze transaction information of the encrypted ATM node, and the storage module 230 is used to store transaction information parsed by the analysis module . [0032] FIG. 2 is an ATM distribution diagram in the ATM network system of the present invention. [0033] As shown in FIG. 2, the ATM decentralized network 100 is based on blocks by multiple ATM nodes (ATM node 1, ATM node 2, ATM node 3, ATM node 4 ...) in FIG. 2 Chain technology configuration, where any ATM node is connected to at least another ATM node. [0034] FIG. 3 is a structural diagram of each ATM node in the ATM network system of the present invention. [0035] As shown in FIG. 3, each ATM node is provided with: an information processing module 101, which is used to perform block processing on the transaction information generated by the node to generate block chain information; a broadcasting module 102, The generated blockchain information is broadcast to the entire network; the storage module 103 is used to store transaction information and blockchain information; and the key acquisition module 104 is used to obtain from the server 200 the surrounding specified range based on relevant rules. Keys for asymmetric encryption of transaction information by other ATM nodes; and a decryption module 105, which uses the obtained keys to decrypt transaction information of other AMT nodes. [0036] Next, an information processor in a robust ATM network system based on blockchain technology will be described. [0037] FIG. 4 is a flowchart showing an information processing method of a robust ATM network system based on the blockchain technology of the present invention. [0038] As shown in FIG. 4, the information processing method in the robust ATM network system based on the blockchain technology of the present invention includes the following steps: Step S100, the ATM node 100 generates transaction information; Step S200, the ATM node 100 implements asymmetric encryption on the generated transaction information, adds ATM identification and time stamp, and performs block packaging to generate blockchain information; Step S300, the ATM node 100 broadcasts blockchain information to the entire network, and other nodes update immediately Block information, so that each node has the blockchain information of all ATM nodes; Step S400, the server 200 as a monitoring node periodically synchronizes the blockchain information in the ATM network; and step S500; the server 200 parses the block Link information and save it. [0039] These steps are described in detail below. [0040] In step S100, the ATM node 100 generates transaction information, such as information on deposits and withdrawals of ATM machines on the ATM node. A storage module 103 provided in the ATM node stores these transaction information. [0041] In step S200, the ATM node performs asymmetric encryption processing on the generated transaction information, attaches an ATM identification and a time stamp to the transaction information after the asymmetric encryption processing, and performs the processing on the transaction information. Block packaging generates blockchain information. The blocks of ATM transaction information include the block version number, the index data of the previous block, the time stamp, the number of confirmations of data changes in the block, and ATM specific transaction information. In the present invention, the asymmetric encryption method may use RSA, Elgamal, D-H, ECC (Elliptic Curve Encryption Algorithm), etc., but is not limited to these algorithms. With asymmetric encryption, each node records the transaction information of all nodes in a block manner. Each node can view its own transaction data, but cannot view the transaction data of other nodes. The server 200 has all the keys and can analyze all ATMs. Node's ATM transaction information. The ATM identification attached to the transaction information means that it has a unique mark for different ATMs, and the additional time stamp is the time that all ATM nodes are unified by the server 200. [0042] In step S300, the ATM node 100 broadcasts the blockchain information to the entire network. Due to the characteristics of the decentralized network, all ATM nodes can receive the broadcast information and update the broadcast information to the storage module of the ATM node. 103 in. [0043] In step S400, the server 200 as a monitoring node periodically synchronizes the blockchain information in the ATM network. In a distributed network structure, the monitoring module 210 of the server 200 is used as a monitoring node to access the distributed In a traditional network structure, information on the network can be synchronized regularly. [0044] In step S500, the server 200 uses the analysis module 220 to decrypt the transaction information synchronized by the monitoring module 210, and stores the decrypted information in the storage module 230. Since the server 200 has the private key for all blocks, it can parse and decrypt the blocks of all ATM nodes. [0045] As a modification of the present invention, an ATM node can also view transaction information of other ATM nodes. This modification will be briefly described below. [0046] Since each ATM node has transaction information of other AMT nodes, based on the relevant transaction rules, and obtains the key of some ATM part of the surrounding transaction information, the current status of the neighboring ATM can be analyzed, so that the ATM machine at this node is due to the cashbox. When the cash drawer is full or empty, it can provide advice to customers, which can improve the user experience. Specific suggestions can include the following: for example (1) the number of nearby free ATMs; (2) the location information of nearby free ATMs. [0047] In the robust ATM network system and its information processing method based on the blockchain technology of the present invention, by establishing an ATM decentralized network structure, the ATM node performs two functions of service and billing, in the form of a block Encrypted records of all ATM transaction information, collectively maintaining a reliable ATM transaction information database, which has the advantages of chronological recording, non-tamperable, and trustworthy. In any one ATM node, there is information of all ATM transactions. The server can act as a monitoring node to synchronize all information directly, which is convenient for the aggregation of transaction information. At the same time, the security of transaction information is guaranteed by hash algorithms and asymmetric encryption algorithms. Due to the advantages of decentralization, it solves the problem that the ATM cannot communicate with the server in the case of a single-point communication abnormality, and ensures the effective operation of the ATM. At the same time, the ATM transaction information will not be lost due to the abnormality of the central server. [0048] The above examples mainly explained the robust ATM network system and its information processing method based on the blockchain technology of the present invention. Although only some of the specific embodiments of the present invention have been described, those of ordinary skill in the art should understand that the present invention can be implemented in many other forms without departing from the spirit and scope thereof. Therefore, the illustrated examples and implementations are to be regarded as illustrative rather than restrictive, and without departing from the spirit and scope of the present invention as defined by the appended claims, the present invention may cover various modifications and replace.

[0049]

100‧‧‧ATM distributed network

200‧‧‧Server

210‧‧‧Monitoring Module

220‧‧‧ Resolution Module

230‧‧‧Storage Module

101‧‧‧Information Processing Module

102‧‧‧Broadcast module

103‧‧‧Storage Module

104‧‧‧Key acquisition module

105‧‧‧Decryption Module

S100-S500‧‧‧step

1 is a block diagram showing a robust ATM network system based on a blockchain technology of the present invention. [0021] FIG. 2 is an ATM distribution diagram in the ATM network system of the present invention. [0022] FIG. 3 is a structural diagram of an ATM node in an ATM network system of the present invention. [0023] FIG. 4 is a flowchart showing an information processing method of a robust ATM network system based on the blockchain technology of the present invention.

Claims (14)

A robust ATM network system based on blockchain technology, which is characterized by: ATM decentralized network, consisting of multiple ATM nodes based on blockchain technology, where any ATM node is connected to at least another ATM A node; and a server in communication with the ATM decentralized network. The robust ATM network system based on blockchain technology according to claim 1, wherein: the ATM node is provided with: an information processing module, which performs block processing on the transaction information generated by the node and performs block processing Generate blockchain information; Broadcast module for broadcasting the generated blockchain information to the entire network; and storage module for storing transaction information and blockchain information. The robust ATM network system based on blockchain technology according to claim 2, wherein: said prescribed processing includes: 实施 implementing asymmetric encryption of transaction information generated by the node; adding an ATM identification and a time stamp. The robust ATM network system based on the blockchain technology according to claim 1, wherein: the asymmetric encryption includes any one of RSA, Elgamal, D-H, and elliptic curve encryption algorithms. The robust ATM network system based on blockchain technology according to claim 1, wherein: the ATM node further includes: a key acquisition module, which is used to acquire other servers within the specified range from the server based on relevant rules ATM node's key for asymmetric encryption of transaction information; and a decryption module, which uses the obtained key to decrypt the transaction information of other AMT nodes. The robust ATM network system based on the blockchain technology according to any one of claims 2 to 5, wherein: 一个 after one ATM node broadcasts the blockchain information to the entire network, other ATM nodes update the stored blockchain in real time Information, so that each node has the blockchain information of all ATM nodes. The robust ATM network system based on blockchain technology according to claim 3, wherein: the server is provided with: ， a monitoring module, which is used as a monitoring node in the ATM distributed network; ； an analysis module, A transaction information for analyzing encrypted ATM nodes; and a storage module for storing transaction information parsed by the analysis module. An information processing method in a robust ATM network system based on blockchain technology, the ATM network system is composed of an ATM decentralized network and a server, wherein a plurality of ATM nodes constitute an ATM decentralization based on the blockchain technology This type of network is characterized in that the information processing method includes the following steps: transaction information generation step, ATM node generates transaction information; transaction information processing step, the ATM node implements prescribed processing on the generated transaction information and then performs block packaging generation Blockchain information; Transaction information broadcasting step, the ATM node broadcasts blockchain information to the entire network; Server monitoring step, the server as a monitoring node periodically synchronizes blockchain information in the ATM network; and server information storage steps ; The server parses the blockchain information and stores it. The information processing method in the robust ATM network system based on blockchain technology according to claim 8, wherein: said transaction information processing step includes the following sub-steps: the ATM node implements asymmetric transaction information generated Encryption processing; 附加 Add ATM identification and time stamp to transaction information after asymmetric encryption processing; and block-package transaction information after the above processing to generate blockchain information. The information processing method in a robust ATM network system based on blockchain technology according to claim 9, wherein: said asymmetric encryption includes any one of RSA, Elgamal, DH, and elliptic curve encryption algorithms . The information processing method in the robust ATM network system based on blockchain technology according to claim 9, wherein: In the transaction information broadcasting step, the ATM node broadcasts blockchain information to the entire network, and other nodes The blockchain information is updated so that each node has the blockchain information of all ATM nodes, and other nodes update the blockchain information to the storage area of the ATM node. The information processing method in the robust ATM network system based on blockchain technology according to claim 9, further comprising: a key acquisition step, the ATM node acquires other servers within a specified range from the server based on relevant rules ATM node's secret key for asymmetric encryption of transaction information. The information processing method in a robust ATM network system based on blockchain technology according to claim 9, wherein: the time stamp is generated by a server and has a uniform time in the ATM distributed network. The information processing method in the robust ATM network system based on the blockchain technology according to any one of claims 8 to 13, wherein: the server monitoring step includes the following sub-steps: the server periodically acts as a monitoring node Synchronize the blockchain information in the ATM network to the server; and the server parses the synchronized blockchain information.