1. An auxiliary evaluation method for automobile performance is characterized by comprising the following steps:

after the automobile is maintained by the automobile maintenance shop node, generating automobile maintenance information and sending the automobile maintenance information to the owner node, wherein the automobile maintenance information comprises an automobile unique identification code, automobile part updating data and an updated unique identification code of a part;

the method comprises the steps that an owner node acquires actual maintenance information of a self automobile, compares the actual maintenance information with the maintenance information of the self automobile, and signs the maintenance information of the self automobile and returns the information to an automobile maintenance shop node if the comparison result is consistent;

the automobile maintenance shop node signs the automobile maintenance information signed by the owner node again, packs the automobile maintenance information signed by the automobile maintenance shop node and the owner node into an automobile updating performance information block and broadcasts the automobile maintenance information block to the block chain network; and the number of the first and second groups,

and the third-party node needing the automobile part information acquires the automobile updating performance information block from the block chain network, and analyzes the automobile part updating data in the block so as to assist in evaluating the performance of the automobile.

2. The method of claim 1, further comprising:

the automobile maintenance shop node encrypts the automobile maintenance information by using a public key of the automobile maintenance shop node, and sends the encrypted automobile maintenance information and a private key corresponding to the public key to the automobile owner node; and the number of the first and second groups,

the owner node decrypts the encrypted automobile maintenance information through the private key to obtain the decrypted automobile maintenance information.

3. The method of claim 2, wherein the public key and the private key are both generated based on the unique car identification code.

4. The method of claim 1, wherein the content of the vehicle update performance information block further comprises a hash value of the block;

after the vehicle repair shop node broadcasts the vehicle update performance information block into the blockchain network, the method further comprises the following steps:

after receiving the broadcast, each node in the block chain network records the unique automobile identification code, the updated data of the automobile parts, the unique identification code of the updated parts and the hash value into a node list of the node.

5. The method of claim 1, further comprising:

the method comprises the steps that an automobile manufacturer node obtains factory data of each part of an automobile, wherein the factory data is collected by an automobile part Internet of things sensing platform;

the method comprises the steps that an automobile factory performance information block is generated by an automobile manufacturer node and is broadcasted to a block chain network, wherein the content of the automobile factory performance information block comprises an automobile unique identification code, factory data of each part of an automobile and a unique identification code of a part of an original factory; and the number of the first and second groups,

and a third party node needing the information of the automobile parts acquires the automobile factory performance information block from a block chain network, and comprehensively analyzes factory data and updating data of each part of the automobile by combining the automobile updating performance information block so as to assist in evaluating the performance of the automobile.

6. The method according to claim 5, wherein the content of the factory performance information block further comprises a hash value of the block;

after the automobile manufacturer node broadcasts the automobile factory performance information block to the block chain network, the method further comprises the following steps:

after receiving the broadcast, each node in the block chain network records the unique identification code of the automobile, the factory data of each part of the automobile, the unique identification code of the original factory part and the hash value into a node list of the node.

7. The method of claim 1 or 5, wherein the third party node is a dealer node, an insurance company node, or an automobile performance evaluation platform.

8. An auxiliary evaluation system for automobile performance is characterized by comprising: the system comprises an automobile maintenance shop node, an automobile owner node and a third party node;

the automobile maintenance shop node is set to generate automobile maintenance information after the automobile is maintained and sent to the automobile owner node, wherein the automobile maintenance information comprises an automobile unique identification code, automobile part updating data and an updated unique identification code of the part;

the vehicle owner node is set to acquire actual maintenance information of the vehicle, compare the actual maintenance information with the vehicle maintenance information, and sign the vehicle maintenance information and return the signed vehicle maintenance information to the vehicle maintenance shop node if the comparison result is consistent;

the automobile maintenance shop node is also configured to sign the automobile maintenance information signed by the owner node again, and package the automobile maintenance information signed by the automobile maintenance shop node and the owner node into an automobile updating performance information block and broadcast the automobile maintenance information block to the block chain network;

and the third party node needing the automobile part information is set to acquire the automobile updating performance information block from the block chain network and analyze the automobile part updating data in the block so as to assist in evaluating the performance of the automobile.

9. A computer device comprising a memory and a processor, wherein the memory stores a computer program, and when the processor runs the computer program stored in the memory, the processor executes the automobile performance auxiliary evaluation method according to any one of claims 1 to 7.

10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the vehicle performance auxiliary evaluation method according to any one of claims 1 to 7.

Background

At present, worries about the accuracy of automobile performance evaluation, whether parts are original factories, the authenticity of automobile maintenance information and the like can be seen in the second-hand automobile market, automobile maintenance scenes and the like. In the conventional evaluation mode, vehicle data are generally obtained manually, for example, by checking part numbers of an engine and the like, checking physical appearance states of the parts, querying records of a 4S store (i.e., an automotive Sales Service 4S store), and the like, and then the vehicle performance is analyzed and judged by combining the obtained data. The existing evaluation mode causes certain worry and question due to more human components doped in the process of acquiring the automobile data. Although a scheme for uploading automobile data to a block chain and maintaining the automobile data on the block chain by multiple parts of each link is proposed in the related art, in the whole information acquisition link, the operation of chaining the automobile data is also manually executed, so that the possibility of artificially tampering the data in the step of acquiring the data from the data to the data chaining link is still not avoided.

Therefore, it is an urgent problem to provide a scheme capable of preventing the car data from being artificially tampered before being uploaded to the block chain in the process of evaluating the car performance.

Disclosure of Invention

The present disclosure has been made to at least partially solve the technical problems occurring in the prior art.

According to an aspect of the embodiments of the present disclosure, there is provided a method for auxiliary evaluation of vehicle performance, the method including:

after the automobile is maintained by the automobile maintenance shop node, generating automobile maintenance information and sending the automobile maintenance information to the owner node, wherein the automobile maintenance information comprises an automobile unique identification code, automobile part updating data and an updated unique identification code of a part;

the method comprises the steps that an owner node acquires actual maintenance information of a self automobile, compares the actual maintenance information with the maintenance information of the self automobile, and signs the maintenance information of the self automobile and returns the information to an automobile maintenance shop node if the comparison result is consistent;

the automobile maintenance shop node signs the automobile maintenance information signed by the owner node again, packs the automobile maintenance information signed by the automobile maintenance shop node and the owner node into an automobile updating performance information block and broadcasts the automobile maintenance information block to the block chain network; and the number of the first and second groups,

and the third-party node needing the automobile part information acquires the automobile updating performance information block from the block chain network, and analyzes the automobile part updating data in the block so as to assist in evaluating the performance of the automobile.

According to another aspect of the embodiments of the present disclosure, there is provided an auxiliary evaluation system for vehicle performance, the system including: the system comprises an automobile maintenance shop node, an automobile owner node and a third party node;

the automobile maintenance shop node is set to generate automobile maintenance information after the automobile is maintained and sent to the automobile owner node, wherein the automobile maintenance information comprises an automobile unique identification code, automobile part updating data and an updated unique identification code of the part;

the vehicle owner node is set to acquire actual maintenance information of the vehicle, compare the actual maintenance information with the vehicle maintenance information, and sign the vehicle maintenance information and return the signed vehicle maintenance information to the vehicle maintenance shop node if the comparison result is consistent;

the automobile maintenance shop node is also configured to sign the automobile maintenance information signed by the owner node again, and package the automobile maintenance information signed by the automobile maintenance shop node and the owner node into an automobile updating performance information block and broadcast the automobile maintenance information block to the block chain network;

and the third party node needing the automobile part information is set to acquire the automobile updating performance information block from the block chain network and analyze the automobile part updating data in the block so as to assist in evaluating the performance of the automobile.

According to still another aspect of the embodiments of the present disclosure, a computer device is provided, which includes a memory and a processor, wherein the memory stores a computer program, and when the processor runs the computer program stored in the memory, the processor executes the foregoing auxiliary evaluation method for vehicle performance.

According to still another aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the processor executes the foregoing auxiliary evaluation method for vehicle performance.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

according to the method and the system for auxiliary evaluation of the automobile performance, the automobile maintenance information generated by the automobile maintenance shop node is uploaded to the block chain network after being jointly signed by the automobile owner node and the automobile maintenance shop node, so that the condition that the data chaining link of the automobile maintenance information acquired from data is artificially tampered is prevented, the accuracy of the automobile uploaded to the block chain network is guaranteed, the accuracy of the automobile performance evaluation is improved, and the doped unstable factors during evaluation are reduced.

Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the disclosure. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the example serve to explain the principles of the disclosure and not to limit the disclosure.

FIG. 1 is a schematic flow chart of a method for assisting in evaluating automobile performance according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of an auxiliary evaluation system for vehicle performance provided in an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, specific embodiments of the present disclosure are described below in detail with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

Fig. 1 is a schematic flow chart of an auxiliary evaluation method for vehicle performance provided in an embodiment of the present disclosure. As shown in fig. 1, the method includes the following steps S101 to S104.

S101, after the automobile is maintained by the automobile maintenance shop (such as a 4S shop) node, automobile maintenance information is generated and sent to the automobile owner node, and the automobile maintenance information comprises an automobile unique identification code, automobile part updating data and an updated unique identification code of the part.

The unique Identification code of the automobile can be a Vehicle Identification Number (VIN) code, and the VIN code is a group of unique numbers consisting of seventeen letters or numbers and used for the automobile, and can identify the manufacturer, the engine, the chassis serial Number, other performance and other data of the automobile.

The automobile part updating data comprises part replacing data, specifically various data of the replaced part, such as whether the part is a second-hand part, the use condition, the loss degree and the like, and the unique identification code of the updated part refers to the unique identification code of the replaced part; the automobile part updating data also comprises part maintenance data and maintenance data, and the unique identification code of the updated part is unchanged and is still the same as the unique identification code of the original part.

The unique identification code of the updated part may be referred to as the N _ ID.

S102, the vehicle owner node acquires actual maintenance information of the vehicle, compares the actual maintenance information with the vehicle maintenance information, and if the comparison result is consistent, the vehicle owner node confirms that the vehicle maintenance information is correct, signs the vehicle maintenance information and returns to the vehicle maintenance shop node.

And S103, the automobile maintenance shop node signs the automobile maintenance information signed by the owner node again, packs the automobile maintenance information signed by the automobile maintenance shop node and the owner node into an automobile updating performance information block and broadcasts the automobile maintenance information block to the block chain network.

It can be seen that the vehicle repair shop node is responsible for the statistics and the uplink of the vehicle repair and maintenance information, and the uplink link relates to a secondary confirmation mechanism, that is, the vehicle owner node performs secondary confirmation after receiving the vehicle repair and maintenance information, and after confirming that the vehicle owner node is correct, the vehicle owner node and the vehicle repair shop node achieve consensus, and the vehicle repair and maintenance information signed by the vehicle owner node and the vehicle repair and maintenance node jointly can be used for uplink broadcasting. Of course, each time the vehicle is maintained, the vehicle maintenance shop node performs a link operation on the vehicle maintenance information, so as to update the vehicle maintenance information in real time.

And S104, acquiring the automobile updating performance information block from the block chain network by the third-party node needing the automobile part information, and analyzing the automobile part updating data in the block to assist in evaluating the performance of the automobile.

The third-party node can be a dealer node, an insurance company node or an automobile performance evaluation platform.

In this embodiment, the vehicle maintenance information generated by the vehicle maintenance shop node needs to be uploaded to the block chain network after being jointly signed by the vehicle owner node and the vehicle maintenance shop node, so that the condition that the link of acquiring the vehicle maintenance information from the data to the data link is artificially tampered is prevented, the accuracy of the vehicle maintenance information uploaded to the block chain network is ensured, the accuracy of vehicle performance evaluation is also improved, and the doped unstable factors during evaluation are reduced.

In one specific embodiment, step S101 further includes: the automobile maintenance shop node encrypts the automobile maintenance information by using a public key of the automobile maintenance shop node, and sends the encrypted automobile maintenance information and a private key corresponding to the public key to the automobile owner node.

Accordingly, step S102 further includes: the owner node decrypts the encrypted automobile maintenance information through the private key to obtain the decrypted automobile maintenance information, and then compares the decrypted automobile maintenance information with the actual automobile maintenance information.

In this embodiment, after the auto repair shop node generates the auto repair maintenance information, a private key message is sent to the owner node, and the auto repair maintenance information encrypted by the public key is transmitted to the owner node, and the owner node can decrypt by the private key to acquire the auto repair maintenance information, thereby ensuring the privacy of the auto repair maintenance information in the transmission process.

In one embodiment, the public key and the private key of the automobile repair shop node are generated based on the automobile unique identification code. In other words, the public key and private key both correspond to the car.

The following examples illustrate:

the engine of a certain automobile needs to be replaced, the automobile maintenance shop node records the engine replacement information (namely the automobile maintenance information) in a block of the automobile maintenance shop node, data information corresponding to the replaced engine is recorded, meanwhile, the engine identification code is replaced by a new engine identification code N _ ID from an original factory engine identification code C _ ID, future engine data is recorded corresponding to the N _ ID, the automobile maintenance shop node encrypts the engine replacement information by using a public key of the automobile maintenance shop node and transmits the encrypted engine replacement information to the automobile owner node, a private key corresponding to the automobile is simultaneously issued to the automobile owner node, the automobile owner node decrypts the encrypted engine replacement information by using the private key and compares the decrypted engine replacement information with the actual maintenance information of the automobile, the automobile maintenance shop node and the automobile owner node jointly sign the engine replacement information after confirming that the engine replacement information is correct, and the engine replacement information is packaged into the block, then, the uplink broadcast is performed.

In one embodiment, the content of the block of the vehicle update performance information further includes a hash value of the block.

Accordingly, after step S103, the following step S105 is also included:

and S105, after receiving the broadcast, each node in the block chain network records the unique automobile identification code, the updated automobile part data, the unique identification code of the updated part and the hash value into a node list of the node, so that the information such as the updated automobile part data is recorded based on the block chain technology.

In this embodiment, each node in the blockchain network records the car maintenance information block broadcast by the car maintenance shop node and the hash value thereof in its own node list, so as to facilitate querying in the future when needed, and each node records the car maintenance information block to prevent a certain node from tampering with data, and the hash value of the block is used to verify whether the content of the block is tampered with.

In a specific embodiment, before step S101, the following steps S106 to S108 are further included.

And S106, the automobile manufacturer node acquires factory data of each part of the automobile, which is acquired by the automobile part Internet of things sensing platform.

The internet of things sensing platform can also be called as an internet of things management platform, comprises a plurality of internet of things sensing devices, such as sensors, Radio Frequency Identification (RFID) modules and the like, and can integrate and process data acquired by the internet of things sensing devices.

And S107, generating an automobile delivery performance information block by an automobile manufacturer node, and broadcasting the automobile delivery performance information block to a block chain network, wherein the content of the automobile delivery performance information block comprises an automobile unique identification code, delivery data of each part of the automobile and a unique identification code of the original factory part.

Wherein, the unique identification code of the original factory part can be called as C _ ID.

Before the automobile leaves a factory, all key parts of the automobile can utilize the sensing equipment of the Internet of things to carry out data acquisition and transmission, then the acquired automobile data is generated into an automobile factory performance information block, and the automobile factory performance information block is broadcasted in a block chain network.

And S108, acquiring the automobile delivery performance information block from a block chain network by a third-party node needing the automobile part information, and comprehensively analyzing delivery data and updating data of all parts of the automobile by combining the automobile updating performance information block so as to assist in evaluating the performance of the automobile.

Wherein the blockchain network further comprises an automobile manufacturer node.

In this embodiment, in the automobile production process, each part of the automobile is carried with thing networking sensing equipment, the outgoing data of each part of the automobile is uploaded to the block chain network for recording, whole data acquisition and transmission processes are all realized through the thing networking sensing platform, and data is uploaded to the block chain network from the thing networking sensing platform, and the data is manipulated by codes and is processed without manual work, so that the outgoing performance information of the automobile is prevented from being artificially tampered in the data chaining link acquired from the data, and the accuracy of the outgoing data of each part of the automobile uploaded to the block chain network is ensured. And the third-party node acquires factory data and updating data of each part of the automobile from the block chain network and performs comprehensive analysis, so that the performance of the automobile is evaluated in an auxiliary manner, and the loss condition, the performance state and the like of the automobile are obtained.

In step S101, the vehicle repair shop node may acquire a unique vehicle identification code (from the factory performance information block) from the block chain network, and generate vehicle repair and maintenance information based on the acquired unique vehicle identification code.

In one embodiment, the content of the factory performance information block of the automobile further includes a hash value of the block.

Accordingly, after step S107, the following step S109 is also included:

and S109, after each node in the block chain network receives the broadcast, recording the unique identification code of the automobile, the factory data of each part of the automobile, the unique identification code of the original factory part and the hash value into a node list of the node, so as to record information such as the factory data of the automobile parts based on the block chain technology.

In this embodiment, each node in the blockchain network records the factory performance information block of the automobile broadcast by the node of the automobile manufacturer and the hash value thereof in its own node list, so as to facilitate querying in the future when needed, and each node records the factory performance information block of the automobile to prevent a certain node from tampering data, and the hash value of the block is used to verify whether the content of the block is tampered.

As one of the nodes in the block chain network, the owner node can also participate in the maintenance of the automobile data, and the owner can conveniently evaluate the automobile state by recording the factory data and the updating data of the automobile parts and decide when to carry out the secondary sale of the automobile and the like. The third-party node can also upload the obtained automobile performance analysis result to the block chain network, so that the owner node can obtain the automobile performance analysis result from the block chain network to help the owner to judge the automobile state, the optimal transaction time and the like.

The automobile performance auxiliary evaluation method provided by the embodiment of the disclosure is characterized in that aiming at the condition that an automobile maintenance link automobile maintenance shop node possibly has inaccuracy when reporting automobile part update data, an owner node confirmation link is added, automobile maintenance information is encrypted and then transmitted to the owner node, the owner node confirms the automobile maintenance information, the automobile maintenance information is signed after the automobile maintenance information is confirmed to be correct, and the automobile maintenance information signed by the owner node and the automobile maintenance shop node is uploaded to a block chain network, so that the authenticity and the accuracy of the automobile maintenance information are ensured by using a secondary confirmation mechanism, and the privacy of the automobile maintenance information in the transmission process is ensured by the encryption link; aiming at the condition that the factory data of each part of the automobile possibly exists inaccurate when the automobile manufacturer node reports the factory data in the automobile production link, the factory data of the automobile parts are collected and transmitted by using the Internet of things sensing platform, and the data are uploaded to a block chain network from the Internet of things sensing platform and are controlled by codes, so that the data are not processed manually, and the factory performance information of the automobile is prevented from being artificially tampered in the data chaining link from the data acquisition; meanwhile, recording of factory data and updating data of the automobile parts and real-time updating of the updating data of the automobile parts are carried out based on the block chain technology, and authenticity and timeliness of data records of the automobile parts are guaranteed by the aid of the fact that the block chain network cannot be tampered. And the third-party node acquires factory data and updating data of each part of the automobile from the block chain network and performs comprehensive analysis, so that the performance of the automobile is evaluated in an auxiliary manner, and the loss condition, the performance state and the like of the automobile are obtained.

Fig. 2 is a schematic structural diagram of an auxiliary evaluation system for vehicle performance provided in an embodiment of the present disclosure. As shown in fig. 2, the system 2 includes: a vehicle repair shop node 21, a vehicle owner node 22 and a third party node 23.

The system comprises an automobile maintenance shop node 21, an owner node 22 and a database, wherein the automobile maintenance shop node 21 is configured to generate automobile maintenance information after maintenance of an automobile and send the automobile maintenance information to the owner node 22, and the automobile maintenance information comprises an automobile unique identification code, automobile part updating data and an updated unique identification code of a part; the owner node 22 is configured to acquire actual maintenance information of the own vehicle, compare the actual maintenance information with the maintenance information of the own vehicle, and sign the maintenance information of the own vehicle and return the information to the maintenance shop node 21 if the comparison result is consistent; the vehicle maintenance shop node 21 is further configured to sign the vehicle maintenance information signed by the vehicle owner node 22 again, package the vehicle maintenance information signed by the vehicle maintenance shop node 21 and the vehicle owner node 22 into a vehicle update performance information block, and broadcast the vehicle maintenance information block to the block chain network; the third party node 23 that needs the information of the parts of the vehicle is configured to obtain the updated performance information block of the vehicle from the block chain network, and analyze the updated data of the parts of the vehicle in the block to assist in evaluating the performance of the vehicle.

In one embodiment, the vehicle repair shop node 21 is further configured to encrypt the vehicle repair and maintenance information by using its own public key, and send the encrypted vehicle repair and maintenance information and a private key corresponding to the public key to the vehicle owner node 22; the owner node 22 is further configured to decrypt the encrypted vehicle maintenance information by using the private key to obtain the decrypted vehicle maintenance information, and then compare the decrypted vehicle maintenance information with actual vehicle maintenance information.

In one embodiment, the public key and the private key are both generated based on the unique car identification code.

In one embodiment, the content of the block of the vehicle update performance information further includes a hash value of the block.

Correspondingly, after the automobile repair shop node 21 broadcasts the automobile updating performance information block to the blockchain network, each node in the blockchain network is set to record the automobile unique identification code, the automobile part updating data, the updated unique identification code of the part and the hash value into the node list of the node after receiving the broadcast.

In one embodiment, the system 2 further comprises: the automobile manufacturer node 24.

The automobile manufacturer node 24 is set to acquire factory data of each part of the automobile, which is acquired by the automobile part internet of things sensing platform; generating an automobile factory performance information block, and broadcasting the automobile factory performance information block to a block chain network, wherein the content of the automobile factory performance information block comprises an automobile unique identification code, factory data of each part of the automobile and a unique identification code of a part of an original factory;

the third-party node 23 that needs the information about the parts of the automobile is further configured to acquire the factory performance information block of the automobile from a block chain network, and comprehensively analyze factory data and update data of each part of the automobile in combination with the updated performance information block of the automobile, so as to assist in evaluating the performance of the automobile.

In one embodiment, the content of the factory performance information block of the automobile further includes a hash value of the block.

Correspondingly, after the node 24 of the automobile manufacturer broadcasts the information about the factory performance of the automobile to the blockchain network, each node in the blockchain network is further configured to record the unique identification code of the automobile, the factory data of each part of the automobile, the unique identification code of the original factory part and the hash value into a node list of the node after receiving the broadcast.

In one embodiment, the third party node 23 is a dealer node, an insurance company node, or an automobile performance evaluation platform.

The automobile performance auxiliary evaluation system provided by the embodiment of the disclosure is added with an owner node confirmation link aiming at the condition that an automobile maintenance shop node possibly has inaccuracy when reporting automobile part update data, the automobile maintenance shop node encrypts and transmits automobile maintenance information to the owner node, the owner node confirms the information, signs the information after the confirmation is correct, and the automobile maintenance information signed by the owner node and the automobile maintenance shop node in a combined manner is uploaded to a block chain network, so that the authenticity and the accuracy of the automobile maintenance information are ensured by using a secondary confirmation mechanism, and the privacy of the automobile maintenance information in the transmission process is ensured by the encryption link; aiming at the condition that the factory data of each part of the automobile possibly exists inaccurate when the automobile manufacturer node reports the factory data in the automobile production link, the factory data of the automobile parts are collected and transmitted by using the Internet of things sensing platform, and the data are uploaded to a block chain network from the Internet of things sensing platform and are controlled by codes, so that the data are not processed manually, and the factory performance information of the automobile is prevented from being artificially tampered in the data chaining link from the data acquisition; meanwhile, recording of factory data and updating data of the automobile parts and real-time updating of the updating data of the automobile parts are carried out based on the block chain technology, and authenticity and timeliness of data records of the automobile parts are guaranteed by the aid of the fact that the block chain network cannot be tampered. And the third-party node acquires factory data and updating data of each part of the automobile from the block chain network and performs comprehensive analysis, so that the performance of the automobile is evaluated in an auxiliary manner, and the loss condition, the performance state and the like of the automobile are obtained.

Based on the same technical concept, the embodiment of the present disclosure correspondingly provides a computer device, as shown in fig. 3, the computer device 3 includes a memory 31 and a processor 32, the memory 31 stores a computer program, and when the processor 32 runs the computer program stored in the memory 31, the processor 32 executes the foregoing auxiliary evaluation method for vehicle performance.

Based on the same technical concept, embodiments of the present disclosure correspondingly provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the processor executes the foregoing auxiliary evaluation method for vehicle performance.

It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.