CN111585775B - Comment authenticity judgment method and device based on block chain - Google Patents
Comment authenticity judgment method and device based on block chain Download PDFInfo
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Abstract
The invention discloses a comment authenticity judgment method based on a block chain, which comprises the following steps: receiving a first broadcast message, wherein the first broadcast message is broadcast by access equipment in a block chain, determining an equipment identifier of the access equipment for sending the first broadcast message, acquiring a terminal identifier and access equipment information in the first broadcast message according to the equipment identifier, receiving a second broadcast message, wherein the second broadcast message is broadcast by a user terminal in the block chain, determining a terminal identifier of the user terminal for sending the second broadcast message, acquiring comment information in the second broadcast message according to the terminal identifier, judging the authenticity of the comment information according to the terminal identifier in the first broadcast message, the access equipment information, the comment information and the terminal identifier of the user terminal for sending the second broadcast message, and issuing the comment information if the comment information is true. The method ensures the authenticity of the published comment information, provides a real and reliable decision support for users, and ensures the benefits of consumers.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a comment authenticity judgment method and device based on a block chain.
Background
With the development and application of network technology, any netizen can become a medium with strong vitality and dissemination, and public praise dissemination of the netizen can even influence or change consumption decisions of other people. Especially in the online tourism industry, the strength spread by public praise is obvious. Whether the scenic spot is good, whether the hotel is comfortable, whether the traffic is convenient or not, and people can know the situation at a glance by opening comments of others. The quality of the comment directly influences the selection of the user on the travel product, and the effect of the comment even surpasses the traditional advertising.
Although the commenting function starts to be introduced from each domestic tourism website, the commenting quality is different due to various reasons. Many scenic spots or restaurants hired for top ranking do not really go to the water army visiting the actual scenic spot or restaurant to falsely comment on, deceive the consumer and harm the consumer's interest.
Disclosure of Invention
Therefore, the invention provides a comment authenticity judging method based on a block chain, which aims to solve the problem that the rights of consumers are damaged due to false comment brushing in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a comment authenticity judgment method based on a blockchain, including:
receiving a first broadcast message, wherein the first broadcast message is broadcast by an access device in a block chain;
determining the equipment identification of the access equipment which sends the first broadcast message, and acquiring the terminal identification and the access equipment information in the first broadcast message according to the equipment identification;
receiving a second broadcast message, wherein the second broadcast message is broadcast by a user terminal in a block chain;
determining a terminal identifier of a user terminal sending the second broadcast message, and acquiring comment information in the second broadcast message according to the terminal identifier;
and judging the authenticity of the comment information according to the terminal identification and the access equipment information in the first broadcast message, the comment information and the terminal identification of the user terminal sending the second broadcast message, and issuing the comment information if the comment information is real.
Preferably, the accessing device information includes a location of the accessing device, and the determining the authenticity of the comment information includes:
determining the position of a comment object according to the comment information;
and if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real.
Preferably, the accessing device information includes a device identifier of the accessing device, and the determining the authenticity of the comment information includes:
determining the position of a comment object according to the comment information;
determining the position of the access equipment according to the equipment identification and the corresponding relation between the locally stored equipment identification of the access equipment and the position of the access equipment;
and if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real.
Preferably, the first broadcast message is sent after the access device signs the terminal identifier and the access device information with a private key;
the acquiring the terminal identifier and the access device information in the first broadcast message according to the device identifier includes:
acquiring a public key of the access device according to the device identification;
and verifying the first broadcast message according to the public key of the access equipment so as to acquire the terminal identification and the access equipment information in the first broadcast message.
Preferably, the second broadcast information is sent after the user terminal signs the comment information with a private key;
the obtaining of the comment information in the second broadcast message according to the terminal identifier includes:
acquiring a public key of the user terminal according to the terminal identification;
and verifying the second broadcast message according to the public key of the user terminal to acquire comment information in the second broadcast message.
The second aspect of the invention provides a comment authenticity judgment method based on a block chain, which comprises the following steps:
when a user terminal accesses the device, a first broadcast message carrying a terminal identifier and access device information is broadcast in a block chain.
The third aspect of the invention provides a comment authenticity judgment method based on a block chain, which comprises the following steps:
generating comment information;
and broadcasting a second broadcast message carrying the comment information in the blockchain.
The fourth aspect of the invention provides a commenting device, which comprises a receiving module, a determining module, an obtaining module, a judging module and a publishing module;
the receiving module is configured to receive a first broadcast message, where the first broadcast message is broadcast by an access device in a block chain, and receive a second broadcast message, where the second broadcast message is broadcast by a user terminal in the block chain;
the determining module is configured to determine a device identifier of an access device that sends the first broadcast message, and determine a terminal identifier of a user terminal that sends the second broadcast message;
the acquisition module is used for acquiring a terminal identifier and access equipment information in the first broadcast message according to the equipment identifier and acquiring comment information in the second broadcast message according to the terminal identifier;
the judging module is used for judging the authenticity of the comment information according to the terminal identification and the access equipment information in the first broadcast message, the comment information and the terminal identification of the user terminal sending the second broadcast message;
the publishing module is used for publishing the comment information if the comment information is real.
A fifth aspect of the present invention provides an access device, where the access device includes a broadcasting module, where the broadcasting module is configured to broadcast a first broadcast message carrying a terminal identifier and access device information in a block chain when a user terminal accesses the access device.
A sixth aspect of the present invention provides a user terminal, including a generating module and a broadcasting module;
the generating module is used for generating comment information;
the broadcasting module is used for broadcasting a second broadcast message carrying the comment information in the block chain.
The method for judging the authenticity of the comment based on the block chain receives a first broadcast message, wherein the first broadcast message is broadcasted by access equipment in the block chain, determines the equipment identifier of the access equipment which sends the first broadcast message, acquires the terminal identifier and the access equipment information in the first broadcast message according to the equipment identifier, receives a second broadcast message, wherein the second broadcast message is broadcasted by a user terminal in the block chain, determines the terminal identifier of the user terminal which sends the second broadcast message, acquires the comment information in the second broadcast message according to the terminal identifier, judges the authenticity of the comment information according to the terminal identifier in the first broadcast message, the access equipment information, the comment information and the terminal identifier of the user terminal which sends the second broadcast message, and issues the comment information if the comment information is authentic. The method provided by the embodiment of the invention can judge the authenticity of the comment information based on the first broadcast message broadcasted by the access equipment, the comment information broadcasted by the user equipment and the terminal identifier of the user terminal, ensures the authenticity of the published comment information, provides a real and reliable decision support for the user and guarantees the benefits of vast consumers.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a first flowchart of a comment authenticity judgment method based on a block chain according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a second method for judging comment authenticity based on a block chain according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a commenting device provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an access device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a user terminal according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The fifth Generation Mobile communication technology (5th Generation Mobile networks, 5G) is The latest Generation cellular Mobile communication technology, namely 4G (The 4th Generation Mobile communication technology), The fourth Generation Mobile communication technology such as LTE-a (Long Term Evolution-Advanced) and WiMax (World Interoperability for Microwave Access)), 3G (The third Generation Mobile communication technology such as UMTS (Universal Mobile Telecommunications System), LTE (Long Term Evolution), and 2G (Second Generation Mobile communication technology such as GSM (Global for Mobile Communications)). The performance goals of 5G are high data rates, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity. The first phase of the 5G specification in Release-15 was to accommodate early commercial deployments. The second phase of Release-16 will be completed in month 4 of 2020 and is submitted to the International Telecommunication Union (ITU) as a candidate for IMT-2020(5G) technology. The ITU IMT-2020 specification requires speeds up to 20Gbit/s, and can implement wide channel bandwidth and large capacity MIMO (multiple-in multiple-out).
31.10.2019, three operators publish 5G commercial packages and formally bring on the line 5G commercial packages on 1.11. 5G mobile networks like earlier 2G, 3G and 4G mobile networks, 5G networks are digital cellular networks in which the service area covered by a provider is divided into a number of small geographical areas called cells. Analog signals representing sound and images are digitized in the handset, converted by an analog-to-digital converter and transmitted as a bit stream. All 5G wireless devices in a cell communicate by radio waves with local antenna arrays and low power autonomous transceivers (transmitters and receivers) in the cell. The transceiver allocates frequency channels from a common pool of frequencies that are reusable in geographically separated cells. The local antenna is connected to the telephone network and the internet through a high bandwidth fiber or wireless backhaul connection. As with existing handsets, when a user passes from one cell to another, their mobile device will automatically "switch" to the antenna in the new cell.
The main advantage of 5G networks is that the data transmission rate is much higher than previous cellular networks, up to 10Gbit/s, faster than current wired internet, 100 times faster than previous 4G LTE cellular networks. Another advantage is lower network delay (faster response time), below 1 millisecond, and 30-70 milliseconds for 4G. Due to faster data transmission, the 5G network will not only serve the handset, but will also become a general home and office network provider, competing with the cable network provider. Previous cellular networks provided low data rate internet access suitable for cell phones, but a cell phone tower could not economically provide sufficient bandwidth as a general internet provider for home computers.
In 5G, services such as audio, video and images facing large-scale users are rapidly increased, and the explosive increase of network traffic can greatly influence the quality of service for users to access the Internet. How to effectively distribute large-flow service content and reduce the time delay of information acquisition of users becomes a big problem for network operators and content providers. The problem cannot be solved by merely increasing the bandwidth, and is also influenced by factors such as route blocking and delay in transmission, processing capacity of a web server, and the like, and the problem is closely related to the distance between user servers.
As shown in fig. 1, the method for judging the authenticity of a comment based on a block chain according to an embodiment of the present invention may include the following steps:
step 11, receiving a first broadcast message, where the first broadcast message is broadcast by an access device in a block chain.
In this step, when a user approaches a scenic spot or a restaurant with a fixed geographical location, his user terminal will connect to an access device in the blockchain network in the vicinity of the geographical location. The access device may be an ont (optical Line terminal), an optical Line terminal) node, i.e., an optical modem, or an ADSL (Asymmetric Digital Subscriber Line) modem node, or another user terminal serving as a hot spot.
When a user terminal is connected to the access device, the access device broadcasts a first broadcast message in the blockchain network. The commenting apparatus in the blockchain network may receive the first broadcast message.
And step 12, determining the equipment identifier of the access equipment for sending the first broadcast message, and acquiring the terminal identifier and the access equipment information in the first broadcast message according to the equipment identifier.
In this step, the commenting apparatus may obtain the content in the first broadcast message according to the device identifier of the access device, including the terminal identifier of the user terminal connected to the access device and the self information of the access device.
And step 13, receiving a second broadcast message, wherein the second broadcast message is broadcast by the user terminal in the block chain.
In this step, the review device may receive a second broadcast message broadcast by the ue in the blockchain network, and after the ue approaches a scenic spot or a restaurant with a fixed geographic location, the ue may broadcast the second broadcast message in the blockchain network regardless of whether the current ue is located at the geographic location.
And step 14, determining a terminal identifier of the user terminal sending the second broadcast message, and acquiring comment information in the second broadcast message according to the terminal identifier.
In this step, after receiving the second broadcast message, the commenting device determines the terminal identifier of the user terminal that sent the second broadcast message, and further obtains the content in the second broadcast message according to the terminal identifier, including the comment information that the user terminal publishes for the service of the scenic spot or the restaurant.
And step 15, judging the authenticity of the comment information according to the terminal identification in the first broadcast message, the access equipment information, the comment information and the terminal identification of the user terminal sending the second broadcast message, and issuing the comment information if the comment information is authentic.
In this step, the comment device may determine the position of the comment object according to the comment information broadcast by the user terminal, and determine whether the comment information is real by comparing the terminal identifier of the broadcast comment information with the terminal identifier of the access device broadcast, and comparing the position of the comment object with the position of the access device, and issue the comment information in real time.
As can be seen from steps 11-15 above, the method for judging authenticity of a comment based on a block chain according to the embodiment of the present invention receives a first broadcast message, where the first broadcast message is broadcast by an access device in the block chain, determines a device identifier of the access device that sent the first broadcast message, acquiring the terminal identification and the access device information in the first broadcast message according to the device identification, receiving a second broadcast message, wherein the second broadcast message is broadcast by the user terminal in the block chain, determining the terminal identification of the user terminal which sends the second broadcast message, and obtaining comment information in the second broadcast message according to the terminal identifier, judging the authenticity of the comment information according to the terminal identifier in the first broadcast message, the access equipment information, the comment information and the terminal identifier of the user terminal sending the second broadcast message, and issuing the comment information if the comment information is authentic. The method provided by the embodiment of the invention can judge the authenticity of the comment information based on the first broadcast message broadcasted by the access equipment, the comment information broadcasted by the user equipment and the terminal identifier of the user terminal, ensures the authenticity of the published comment information, provides a real and reliable decision support for the user and guarantees the benefits of vast consumers.
In some embodiments, the access device may be another user terminal serving as a hotspot, and accordingly, the access device information includes a location of the access device, and the step of determining the authenticity of the comment information may include: and determining the position of the comment object according to the comment information, and if the terminal identifier in the first broadcast message is consistent with the terminal identifier of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access device is smaller than a preset threshold value, determining that the comment information is real.
When the user terminal is connected to the access device, the user terminal serving as the hot spot broadcasts the current real-time geographic position of the user terminal and the terminal identification of the user terminal in the blockchain network. After the comment information is obtained, the comment device can determine the geographical position of a comment object (namely, a scenic spot, a restaurant and the like) according to the comment information, further can compare the terminal identification of the user terminal issuing the comment information with the terminal identification broadcasted by the access equipment, and compare the position of the comment object with the position of the access equipment, if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, it can be stated that the user terminal issuing the comment information is connected with the access equipment, and if the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, it can be further stated that the user terminal issuing the comment information really visits the position of the comment object, and at this time, the comment information can be determined to be a real comment. The judging method of the embodiment of the invention ensures the authenticity of the published comment information, provides a real and reliable decision support for users, and ensures the benefits of consumers.
In some embodiments, the access device is an ONT node or an ADSL node, and accordingly, the access device information includes a device identifier of the access device, and the step of determining the authenticity of the comment information may include: and determining the position of the comment object according to the comment information, determining the position of the access equipment according to the equipment identification and the corresponding relation between the equipment identification of the locally stored access equipment and the position of the access equipment, and determining that the comment information is real if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value.
When a user terminal is connected to the access device, the access device broadcasts its own device identification and the terminal identification of the user terminal in the blockchain network. The ONT node or ADSL node generally has a fixed geographical location, and when registering to the network, the corresponding relationship between the location and the device identifier is also registered, and the commenting device locally stores the corresponding relationship. After the comment information is acquired, the commenting device can determine the geographical position of the comment object (namely, a scenic spot, a restaurant and the like) according to the comment information. The corresponding location may then be looked up from the device identification, i.e. the location of the access device is determined. And finally, the comment device can compare the terminal identification of the user terminal publishing the comment information with the terminal identification broadcasted by the access equipment, and compare the position of the comment object with the position of the access equipment, if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, the user terminal publishing the comment information is connected with the access equipment, and if the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, the user terminal publishing the comment information can be further explained to really visit the position of the comment object, and the comment information can be determined to be a real comment. The judging method of the embodiment of the invention ensures the authenticity of the published comment information, provides a real and reliable decision support for users, and ensures the benefits of consumers.
In some embodiments, the first broadcast message is sent after the access device signs the terminal identification and the access device information with a private key. The step of obtaining the terminal identifier and the access device information in the first broadcast message according to the device identifier may include: and acquiring a public key of the access device according to the device identifier, and verifying the first broadcast message according to the public key of the access device to acquire the terminal identifier and the access device information in the first broadcast message.
In the embodiment of the invention, the access device signs the first broadcast message by using a private key of the access device and then broadcasts the first broadcast message in the blockchain network, after receiving the first broadcast message, the commenting device inquires a blockchain account book according to the device identifier of the access device to find the public key of the access device, then verifies the first broadcast message by using the public key of the access device, and after the verification is passed, the commenting device acquires the terminal identifier and the access device information in the first broadcast message, wherein the first broadcast message is really broadcasted by the access device. The access equipment uses the private key to sign the first broadcast message, and the commenting device uses the public key of the access equipment to verify the first broadcast message, so that the authenticity of the identity of the access equipment can be ensured, the accuracy of a judgment result is further preliminarily ensured, and the benefits of users are guaranteed.
In some embodiments, the second broadcast information is sent after the user terminal signs the comment information with a private key. The step of obtaining the comment information in the second broadcast message according to the terminal identifier may include: and acquiring a public key of the user terminal according to the terminal identifier, and verifying the second broadcast message according to the public key of the user terminal to acquire the comment information in the second broadcast message.
In the embodiment of the invention, the user terminal signs the second broadcast message by using a private key of the user terminal and then broadcasts the second broadcast message in the block chain network, the commenting device inquires a block chain account book according to a terminal identifier of the user terminal after receiving the second broadcast message, finds the public key of the user terminal, verifies the second broadcast message by using the public key of the user terminal, and obtains the comment information in the second broadcast message after the verification is passed and shows that the second broadcast message is really broadcast by the user terminal. The user terminal uses the private key to sign the second broadcast message, and the commenting device uses the public key of the user terminal to verify the second broadcast message, so that the authenticity of the identity of the user terminal can be ensured, the authenticity of comment information broadcasted by the user terminal can be preliminarily judged, and the benefit of a user is guaranteed.
The method for judging the comment authenticity of the block chain provided by the embodiment of the invention can comprise the following steps: when a user terminal accesses the device, a first broadcast message carrying a terminal identifier and access device information is broadcast in a block chain.
In this step, when a user terminal is connected to the access device, the access device broadcasts a first broadcast message including a terminal identifier of the user terminal and own access device information to the blockchain network, so that the comment device in the blockchain network can determine the authenticity of the comment information according to the first broadcast message and the comment information broadcast by the user terminal, the authenticity of the issued comment information is ensured, a real and reliable decision support is provided for users, and the benefits of consumers are ensured.
As shown in fig. 2, the method for judging the comment authenticity of a block chain according to an embodiment of the present invention may include the following steps:
step 21, comment information is generated.
In this step, after the user terminal approaches a scenic spot or a restaurant with a fixed geographic location, the user terminal may receive user input and generate comment information regardless of whether the user terminal is currently located at the geographic location.
And step 22, broadcasting a second broadcast message carrying the comment information in the block chain.
In this step, no matter whether the user terminal is currently located at the position of the comment object, a second broadcast message carrying the comment information may be broadcast in the blockchain network, so that the comment device in the blockchain network determines the authenticity of the comment information according to the comment information, the terminal identifier broadcast by the access device, and the access device information.
The method provided by the embodiment of the invention does not limit the publishing place of the comment information, so that the user can comment on business areas such as scenic spots or restaurants more conveniently, the authenticity of the published comment information is ensured, a real and reliable decision support is provided for the user, and the benefits of vast consumers are guaranteed.
Based on the same inventive concept, the embodiment of the present invention further provides a commenting device, as shown in fig. 3, which may include a receiving module 101, a determining module 102, an obtaining module 103, a judging module 104, and a publishing module 105.
The receiving module 101 is configured to receive a first broadcast message, where the first broadcast message is broadcast by an access device in a blockchain, and receive a second broadcast message, where the second broadcast message is broadcast by a user terminal in the blockchain.
The determining module 102 is configured to determine a device identifier of an access device that sends the first broadcast message, and determine a terminal identifier of a user terminal that sends the second broadcast message.
The obtaining module 103 is configured to obtain, according to the device identifier, the terminal identifier and the access device information in the first broadcast message, and obtain, according to the terminal identifier, the comment information in the second broadcast message.
The judging module 104 is configured to judge authenticity of the comment information according to the terminal identifier in the first broadcast message, the access device information, the comment information, and the terminal identifier of the user terminal that sends the second broadcast message.
The publishing module 105 is configured to publish the comment information if the comment information is true.
In some embodiments, the access device information includes a location of the access device, and the determining module 104 is configured to determine the location of the comment object according to the comment information, and if the terminal identifier in the first broadcast message is consistent with the terminal identifier of the user terminal that sends the second broadcast message, and a distance between the location of the comment object and the location of the access device is smaller than a preset threshold, determine that the comment information is real.
In some embodiments, the access device information includes a device identifier of the access device, and the determining module 104 is configured to determine the location of the comment object according to the comment information, determine the location of the access device according to the device identifier and a correspondence between the device identifier of the locally stored access device and the location of the access device, and determine that the comment information is real if the terminal identifier in the first broadcast message is consistent with the terminal identifier of the user terminal that sends the second broadcast message, and a distance between the location of the comment object and the location of the access device is smaller than a preset threshold.
In some embodiments, the first broadcast message is sent after the access device signs the terminal identifier and the access device information with a private key, and the obtaining module 103 is configured to obtain a public key of the access device according to the device identifier, and verify the first broadcast message according to the public key of the access device, so as to obtain the terminal identifier and the access device information in the first broadcast message.
In some embodiments, the second broadcast message is sent after the user terminal signs the comment information with a private key, and the obtaining module 103 is configured to obtain a public key of the user terminal according to the terminal identifier, and verify the second broadcast message according to the public key of the user terminal, so as to obtain the comment information in the second broadcast message.
As shown in fig. 4, the access device may include a broadcast module 201, where the broadcast module 201 is configured to broadcast a first broadcast message carrying a terminal identifier and access device information in a block chain when a user terminal accesses the access device.
An embodiment of the present invention further provides a user terminal, as shown in fig. 5, the user terminal may include a generating module 301 and a broadcasting module 302.
The generating module 301 is configured to generate comment information.
The broadcasting module 302 is configured to broadcast a second broadcast message carrying comment information in the blockchain.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A comment authenticity judgment method based on a block chain is characterized by comprising the following steps:
receiving a first broadcast message, wherein the first broadcast message is broadcast by an access device in a block chain;
determining the equipment identification of the access equipment which sends the first broadcast message, and acquiring the terminal identification and the access equipment information in the first broadcast message according to the equipment identification;
receiving a second broadcast message, wherein the second broadcast message is broadcast by a user terminal in a block chain;
determining a terminal identifier of a user terminal sending the second broadcast message, and acquiring comment information in the second broadcast message according to the terminal identifier;
judging the authenticity of the comment information according to the terminal identification and the access equipment information in the first broadcast message, the comment information and the terminal identification of the user terminal sending the second broadcast message, and issuing the comment information if the comment information is real;
the judging the authenticity of the comment information comprises the following steps:
determining the position of a comment object according to the comment information;
determining the position of the access equipment according to the access equipment information;
and if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real.
2. The method of claim 1, wherein the access device information comprises a location of the access device.
3. The method of claim 1, wherein the access device information includes a device identification of the access device, and wherein, in the step of determining the authenticity of the review information,
and determining the position of the access equipment according to the equipment identification and the corresponding relation between the locally stored equipment identification of the access equipment and the position of the access equipment.
4. The method of claim 1, wherein the first broadcast message is sent by the access device after signing the terminal identity and access device information with a private key;
the acquiring the terminal identifier and the access device information in the first broadcast message according to the device identifier includes:
acquiring a public key of the access device according to the device identification;
and verifying the first broadcast message according to the public key of the access equipment so as to acquire the terminal identification and the access equipment information in the first broadcast message.
5. The method according to claim 1, wherein the second broadcast message is sent after the user terminal signs the comment information with a private key;
the obtaining of the comment information in the second broadcast message according to the terminal identifier includes:
acquiring a public key of the user terminal according to the terminal identification;
and verifying the second broadcast message according to the public key of the user terminal to acquire the comment information in the second broadcast message.
6. A comment authenticity judgment method based on a block chain is characterized by comprising the following steps:
when a user terminal is accessed to the device, broadcasting a first broadcast message carrying a terminal identifier and access device information in a block chain, so that a comment device in the block chain receives the first broadcast message, determining a device identifier of the device, acquiring the terminal identifier and access device information in the first broadcast message according to the device identifier, receiving a second broadcast message, wherein the second broadcast message is broadcast by the user terminal in the block chain, determining a terminal identifier of the user terminal which sends the second broadcast message, acquiring comment information in the second broadcast message according to the terminal identifier, and determining the position of a comment object according to the comment information; determining the position of the access equipment according to the access equipment information; and if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real.
7. A comment authenticity judgment method based on a block chain is characterized by comprising the following steps:
generating comment information;
broadcasting a second broadcast message carrying the comment information in a blockchain, so that a comment device in the blockchain receives a first broadcast message, wherein the first broadcast message is broadcasted by an access device in the blockchain, determining a device identifier of the access device which sends the first broadcast message, acquiring a terminal identifier and access device information in the first broadcast message according to the device identifier, receiving the second broadcast message, determining a terminal identifier of a user terminal which sends the second broadcast message, acquiring the comment information in the second broadcast message according to the terminal identifier, and determining the position of a comment object according to the comment information; determining the position of the access equipment according to the access equipment information; and if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real.
8. The commenting device is characterized by comprising a receiving module, a determining module, an obtaining module, a judging module and a publishing module;
the receiving module is configured to receive a first broadcast message, where the first broadcast message is broadcast by an access device in a block chain, and receive a second broadcast message, where the second broadcast message is broadcast by a user terminal in the block chain;
the determining module is configured to determine a device identifier of an access device that sends the first broadcast message, and determine a terminal identifier of a user terminal that sends the second broadcast message;
the acquisition module is used for acquiring a terminal identifier and access equipment information in the first broadcast message according to the equipment identifier and acquiring comment information in the second broadcast message according to the terminal identifier;
the judging module is used for judging the authenticity of the comment information according to the terminal identification and the access equipment information in the first broadcast message, the comment information and the terminal identification of the user terminal sending the second broadcast message; determining the position of a comment object according to the comment information; determining the position of the access equipment according to the access equipment information; if the terminal identifier in the first broadcast message is consistent with the terminal identifier of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real;
the publishing module is used for publishing the comment information if the comment information is real.
9. An access device is characterized in that the access device includes a broadcasting module, where the broadcasting module is configured to, when a user terminal accesses the device, broadcast a first broadcast message carrying a terminal identifier and access device information in a blockchain, so that a commenting device in the blockchain receives the first broadcast message, determine a device identifier of the device, obtain the terminal identifier and the access device information in the first broadcast message according to the device identifier, receive a second broadcast message, where the second broadcast message is broadcast by the user terminal in the blockchain, determine the terminal identifier of the user terminal that sends the second broadcast message, obtain comment information in the second broadcast message according to the terminal identifier, and determine a position of a comment object according to the comment information; determining the position of the access equipment according to the access equipment information; and if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real.
10. A user terminal is characterized in that the user terminal comprises a generation module and a broadcast module;
the generating module is used for generating comment information;
the broadcast module is used for broadcasting a second broadcast message carrying the comment information in a block chain so that a comment device in the block chain can receive a first broadcast message, wherein the first broadcast message is broadcast by access equipment in the block chain, determining an equipment identifier of the access equipment which sends the first broadcast message, acquiring a terminal identifier and access equipment information in the first broadcast message according to the equipment identifier, receiving the second broadcast message, determining a terminal identifier of a user terminal which sends the second broadcast message, acquiring the comment information in the second broadcast message according to the terminal identifier, and determining the position of a comment object according to the comment information; determining the position of the access equipment according to the access equipment information; and if the terminal identification in the first broadcast message is consistent with the terminal identification of the user terminal sending the second broadcast message, and the distance between the position of the comment object and the position of the access equipment is smaller than a preset threshold value, determining that the comment information is real.
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| WO2019099936A1 (en) * | 2017-11-16 | 2019-05-23 | Thelonesoldiergroup Llc | Trusted online review system and method |
| CN108242017A (en) * | 2018-02-07 | 2018-07-03 | 杭州蜜迩科技有限公司 | A kind of location-based comment interaction systems and method |
| CN109657450B (en) * | 2018-12-14 | 2021-04-16 | 泰康保险集团股份有限公司 | Method, device, medium, and electronic device for evaluation based on block chain |
| CN110597841B (en) * | 2019-09-29 | 2021-09-14 | 腾讯科技（深圳）有限公司 | Application comment information processing method and device based on block chain network |
| CN110909381A (en) * | 2019-11-12 | 2020-03-24 | 北京芯际科技有限公司 | Block chain-based user comment tamper-proof system and method |
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