Unmanned aerial vehicle identity cooperative verification system and method based on multi-level block chain

Abstract

The invention discloses an unmanned aerial vehicle identity cooperative verification system based on a multi-level block chain, and relates to the technical field of unmanned aerial vehicles, and the system comprises an unmanned aerial vehicle identity information registration module, an unmanned aerial vehicle identity information verification module, an unmanned aerial vehicle identity information updating module, an inter-unmanned aerial vehicle multi-level block chain networking module, and a user identity verification module. The invention further discloses an unmanned aerial vehicle identity cooperative verification method based on the multi-level block chain. The method comprises the following steps: generating an unmanned aerial vehicle digital identity label; verifying the identity information of the unmanned aerial vehicle through a block chain network; and updating the identity information in real time and uploading the identity information to the block chain. According to the unmanned aerial vehicle identity cooperative verification system and method based on the multi-level block chain, the security, real-time performance and accuracy of unmanned aerial vehicle identity verification can be effectively improved, a solid guarantee is provided for security application of the unmanned aerial vehicle, and meanwhile, through an innovative user identity authentication mode and a data encryption technology, the safety of the unmanned aerial vehicle is improved. And the use experience and the privacy protection level of the user are further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles, and specifically to an unmanned aerial vehicle identity collaborative verification system and method based on a multi-level blockchain. Background Art

[0002] With the rapid development of unmanned aerial vehicle technology, the applications of unmanned aerial vehicles have covered multiple industries, including agriculture, logistics, environmental monitoring, national defense, etc. The wide application of unmanned aerial vehicles has also brought urgent requirements for their safety, legality, reliability, etc. Especially in the aspect of unmanned aerial vehicle identity verification and information management, traditional single authentication systems are vulnerable to threats of tampering and forgery, and cannot ensure the high efficiency and scalability of the system. Current unmanned aerial vehicle identity authentication mostly relies on centralized servers or traditional identity verification methods. For ultra-large-scale application scenarios, especially when the number of unmanned aerial vehicles is huge, it is easy to cause problems such as identity authentication vulnerabilities and data leakage. Therefore, how to build a more secure, reliable and scalable unmanned aerial vehicle identity verification system is an urgent problem to be solved in the unmanned aerial vehicle industry.

[0003] Distributed identity verification systems based on blockchain technology have shown great potential in the field of unmanned aerial vehicle identity verification due to their characteristics of decentralization, immutability, transparency, etc. By combining multi-level blockchain technology, the security, scalability and efficiency of the system can be further improved, and the identity verification problem for ultra-large-scale unmanned aerial vehicle access can be solved. Summary of the Invention

[0004] To solve the above technical problems, an unmanned aerial vehicle identity collaborative verification system and method based on a multi-level blockchain are provided, which improve the scalability and efficiency of the system and provide a solid guarantee for the safe application of unmanned aerial vehicles.

[0005] To achieve the above object, the technical solution adopted by the present invention is as follows: An unmanned aerial vehicle identity collaborative verification system based on a multi-level blockchain, comprising: An unmanned aerial vehicle identity information registration module, an unmanned aerial vehicle identity information verification module, an unmanned aerial vehicle identity information update module, a multi-level blockchain networking module among unmanned aerial vehicles, and a user identity verification module; The unmanned aerial vehicle identity information registration module: used to register and store the model, serial number and manufacturer's identity information of the unmanned aerial vehicle on the chip of the unmanned aerial vehicle after it leaves the factory, generate and mint a digital identity identifier, and store the unmanned aerial vehicle identity information on the blockchain; The unmanned aerial vehicle identity information verification module: The unmanned aerial vehicle identity information verification module is electrically connected to the unmanned aerial vehicle identity information registration module. The unmanned aerial vehicle identity information verification module is used to verify the identity information of the unmanned aerial vehicle through the blockchain network before the unmanned aerial vehicle starts, ensure the legality of the unmanned aerial vehicle's identity, and allow it to enter the legal airway; UAV Identity Information Update Module: The UAV identity information update module is electrically connected to the UAV identity information verification module. The UAV identity information update module is used to update the new identity information to the blockchain in a timely manner when the identity information of the UAV changes, ensuring the timeliness and accuracy of the identity information. Multi-level Blockchain Networking Module among UAVs: The multi-level blockchain networking module among UAVs is electrically connected to the UAV identity information update module. The multi-level blockchain networking module among UAVs is used to form a collaborative mechanism for data exchange and identity verification among UAVs through a decentralized blockchain network, ensuring that UAVs can verify each other and prevent malicious behaviors. By means of blockchain point grading and grouping methods, the concurrency pressure is reduced, and identity verification for ultra-large-scale UAV fleets is achieved. User Identity Verification Module: The user identity verification module is electrically connected to the multi-level blockchain networking module among UAVs, the UAV identity information update module, the UAV identity information verification module, and the UAV identity information registration module. The user identity verification module is used to perform identity authentication through collaborative verification in combination with Internet of Things devices when the user logs in to the UAV system.

[0006] Preferably, the UAV identity information registration module generates a unique digital identity identifier through the chip of the UAV, ensuring the immutability and traceability of the identity information. The UAV identity information verification module utilizes the decentralized characteristics of the blockchain to ensure the reliability and security of the UAV identity authentication process through information comparison and consensus mechanism among blockchain nodes.

[0007] Preferably, the identity information update module updates the UAV identity information and stores the new information on the chain in the cases of UAV ownership transfer, repair, cancellation, and usage record update, ensuring real-time synchronization of the identity information. The user identity verification module performs collaborative verification through Internet of Things devices, and the Internet of Things devices include the user's mobile phone, tablet, smart bracelet, and other intelligent devices, and ensure the uniqueness of the user identity through digital signature and hashing operation technologies.

[0008] Preferably, the multi-level blockchain networking module manages UAV identity verification hierarchically through the blockchain levels, ensuring high scalability and efficiency of the system in the case of ultra-large-scale UAV access. The system performs multiple verifications on the data uploaded by UAVs through a data cross-verification mechanism, and the system encrypts and stores sensitive data through a cold and hot key strategy, ensuring that the UAV identity information and related sensitive data cannot be leaked without authorization.

[0009] Preferably, the system performs multiple verifications on the data uploaded by UAVs through a data cross-verification mechanism, and the formula for setting data cross-verification is as follows: In the formula, represents the data verification result, are multiple data sources participating in cross-validation, is the cross-validation function.

[0010] Preferably, the system encrypts and stores sensitive data through a hot and cold key strategy, where the encryption formula is: In the formula, represents sensitive data, represents the encrypted data, represents the encryption process of the cold key and the encryption process of the hot key, represents the combination of the two encryption methods.

[0011] Preferably, the system can handle the access of ultra-large-scale drones to ensure the efficient and stable operation of the system in the face of a large number of devices, and set a performance model for ultra-large-scale access; Among them, the model formula is: In the formula, is the total processing time of the system, represents the number of drones accessing, represents the authentication processing time of each drone.

[0012] A method for collaborative authentication of drone identities based on a multi-level blockchain, the method includes: S1: After the drone leaves the factory, record and register the identity information of the drone, including the model, serial number, and manufacturer, and generate a digital identity identifier, and store it on the blockchain using blockchain technology; S2: Before the drone starts, verify the identity information of the drone through the blockchain network, and compare it with the information stored on the blockchain to ensure the legitimacy of the drone's identity; S3: When the identity information of the drone changes, update the identity information and upload it to the blockchain to ensure the timeliness and accuracy of the identity information; S4: In the multi-level blockchain network, other drones perform verification according to the identity verification request, and work together to ensure the legitimacy of the drone's identity and prevent drones with forged identities from accessing; S5: When the user logs in to the drone system, perform collaborative verification of Internet of Things devices without additional SMS and email verification.

[0013] Preferably, the identity information update operation in S3 includes the transfer of drone ownership, maintenance, cancellation and update of usage records. The verification process in S4 uses the consensus mechanism of blockchain to decentralizedly verify the identity information and ensure the integrity and non-tamperability of data transmission. The collaborative verification in S5 is achieved through IoT devices, including users' smartphones, tablets and bracelet devices.

[0014] Preferably, the method adopts a hot and cold key strategy to encrypt and store sensitive data to ensure the security and privacy protection of drone identity information, can adapt to ultra-large-scale drone access, and ensure that the system can operate efficiently and stably when facing a large number of devices.

[0015] Compared with the prior art, the present invention has the following beneficial effects: Based on the system and method of the present invention, it is possible to achieve: (1) Drone security situation awareness: The popularity of drones has brought unprecedented security challenges. Through multi-level blockchain technology, tamper-proof characteristics, multi-level encrypted chain hierarchical data processing capabilities, hot and cold key strategies, etc., combined with AI artificial intelligence professional model intelligent support technology, the identity of drones can be quickly and accurately identified, and classified according to security levels, to build an all-round, all-time, and all-weather drone security situation awareness network.

[0016] (2) Drone security warning and protection: The security situation faces new challenges in terms of real-time drone detection, threat assessment, and protection and disposal. Through autonomous technologies such as multi-level blockchain, combined with AI drone trajectory prediction professional models and drone attack and defense equipment systems, a drone security warning and protection network integrating information encryption, protection barriers, swarm induction, expulsion and takeover, and ubiquitous countermeasures is built in a fixed vehicle-mounted and portable form.

[0017] In summary, the present invention proposes a drone identity collaborative verification system and method based on a multi-level blockchain, which can effectively improve the security, real-time and accuracy of drone identity authentication, enhance the scalability and efficiency of the system, and provide a solid guarantee for the safe application of drones. At the same time, through innovative user identity authentication methods and data encryption technology, the user experience and privacy protection level are further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a system framework diagram of the present invention; Figure 2 It is a step flow framework diagram of the present invention; Figure 3 This is a logical diagram of the drone identity information verification in the present invention; Figure 4 It is a schematic diagram of the user login identity authentication process in the present invention. Detailed implementation manners

[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and other obvious variations can be conceived by those skilled in the art.

[0020] Referring to Figure 1 As shown, a multi-level blockchain-based UAV identity collaborative verification system and method includes: a UAV identity information registration module, a UAV identity information verification module, a UAV identity information update module, a multi-level blockchain networking module between UAVs, and a user identity verification module; The UAV identity information registration module: used to register and store its model, serial number, and the identity information of the manufacturer on the chip of the UAV after the UAV leaves the factory, generate and cast a digital identity identifier, and store the UAV identity information on the blockchain; The UAV identity information verification module: The UAV identity information verification module is electrically connected to the UAV identity information registration module. The UAV identity information verification module is used to verify its identity information through the blockchain network before the UAV starts, ensuring that the identity of the UAV is legal and it can enter the legal airway; The UAV identity information update module: The UAV identity information update module is electrically connected to the UAV identity information verification module. The UAV identity information update module is used to update the new identity information to the blockchain in a timely manner when the identity information of the UAV changes, ensuring the timeliness and accuracy of the identity information; The multi-level blockchain networking module between UAVs: The multi-level blockchain networking module between UAVs is electrically connected to the UAV identity information update module. The multi-level blockchain networking module between UAVs is used to form a collaborative mechanism for data exchange and identity verification between each UAV through a decentralized blockchain network, ensuring that UAVs can verify each other and prevent malicious behaviors. By means of block point grading and grouping methods, the concurrent pressure is reduced, and identity verification for an ultra-large-scale UAV fleet is achieved; The user identity verification module: The user identity verification module is electrically connected to the multi-level blockchain networking module between UAVs, the UAV identity information update module, the UAV identity information verification module, and the UAV identity information registration module. The user identity verification module is used to perform identity authentication through collaborative verification in combination with Internet of Things devices when the user logs in to the UAV system.

[0021] The UAV identity information registration module generates a unique digital identity identifier through the chip of the UAV to ensure the immutability and traceability of the identity information. The UAV identity information verification module utilizes the decentralized feature of the blockchain. Through information comparison and consensus mechanism among blockchain nodes, it ensures the reliability and security of the UAV identity authentication process; By storing the UAV's identity information on the blockchain and leveraging the decentralized feature of the blockchain, the immutability and traceability of the UAV identity information are achieved. The identity information of each UAV is independently recorded and verified through the consensus mechanism, ensuring the security and reliability of the identity verification. Blockchain technology avoids the single point of failure problem in traditional identity authentication systems and greatly enhances the overall security of the system; This system has the function of real-time updating of UAV identity information. When the UAV's identity information changes, the new identity information will be promptly uploaded to the blockchain and synchronized for update, ensuring the accuracy and timeliness of the identity information.

[0022] The identity information update module updates the UAV identity information and stores the new information on the blockchain in the cases of UAV ownership transfer, maintenance, cancellation, and update of usage records to ensure real-time synchronization of the identity information. The user identity verification module conducts collaborative verification through Internet of Things devices. The Internet of Things devices include the user's mobile phone, tablet, smart bracelet, and other intelligent devices, and ensure the uniqueness of the user identity through digital signature and hashing operation technology.

[0023] The multi-level blockchain networking module manages UAV identity verification hierarchically through blockchain levels to ensure high scalability and efficiency of the system in the case of ultra-large-scale UAV access. The system conducts multiple verifications on the data uploaded by the UAV through a data cross-verification mechanism. The system encrypts and stores sensitive data through a hot and cold key strategy to ensure that the UAV's identity information and related sensitive data cannot be leaked without authorization; By adopting the multi-level blockchain networking module, the system can achieve more efficient identity verification through hierarchical management as needed. In the case of ultra-large-scale UAV access, the system can still operate efficiently and stably. This multi-level blockchain architecture can adapt to the increasing number of UAVs and ensure efficient identity verification even when the number of UAVs reaches tens of thousands or even hundreds of thousands.

[0024] The system conducts multiple verifications on the data uploaded by the UAV through a data cross-verification mechanism. The formula for setting data cross-verification is as follows: In the formula, represents the data verification result, are multiple data sources participating in cross-verification, It is a cross-validation function.

[0025] The system encrypts and stores sensitive data through the cold and hot key strategy. Among them, the encryption formula is: In the formula, represents sensitive data, represents the encrypted data, represents the encryption process of the cold key, and represents the encryption process of the hot key, represents the combination of the two encryption methods; The sensitive data is encrypted and stored by adopting the cold and hot key strategy to ensure that the UAV identity information and related sensitive data cannot be leaked without authorization. This encryption technology can effectively protect the sensitive information during the UAV operation process and prevent hacker attacks or data leakage.

[0026] The system can handle the access of ultra-large-scale UAVs, ensure the efficient and stable operation of the system when facing a large number of devices, and set the performance model for ultra-large-scale access; Among them, the model formula is: In the formula, is the total processing time of the system, represents the number of UAVs accessing, represents the identity verification processing time of each UAV.

[0027] Referring to Figure 2 shown, a UAV identity collaborative verification method based on a multi-level blockchain, the method includes: S1: After the UAV leaves the factory, record and register the UAV identity information, including the model, serial number, and manufacturer, and generate a digital identity identifier, and store it on the blockchain using blockchain technology; S2: Before the UAV starts, verify the UAV identity information through the blockchain network, compare it with the information stored on the blockchain, and ensure the legitimacy of the UAV identity; S3: When the UAV identity information changes, update the identity information and upload it to the blockchain to ensure the timeliness and accuracy of the identity information; S4: In the multi-level blockchain network, other UAVs perform verification according to the identity verification request, work together to ensure the UAV identity legitimacy, and avoid the access of UAVs with forged identities; S5: When the user logs in to the UAV system, perform the Internet of Things device collaborative verification, without additional SMS and email verification.

[0028] The identity information update operation in S3 includes the situations of drone ownership transfer, maintenance, cancellation, and usage record update. The verification process in S4 uses the consensus mechanism of the blockchain to perform decentralized verification of identity information and ensure the integrity and immutability during data transmission. The collaborative verification in S5 is achieved through Internet of Things devices, including the user's smartphone, tablet, and bracelet device.

[0029] The method uses a hot and cold key strategy to encrypt and store sensitive data to ensure the security and privacy protection of drone identity information, and can adapt to the access of ultra-large-scale drones to ensure the efficient and stable operation of the system in the face of a large number of devices. This system has good adaptability and can ensure the efficient and stable operation of identity verification when facing the access of a large number of drone devices. By formulating a suitable performance model, the system can effectively handle the identity verification work under ultra-large-scale access and ensure the operability and security of drones in an ultra-large-scale environment.

[0030] The usage process of the present invention is as follows: Step 1: When the drone leaves the factory, register its model, serial number, and manufacturer information on the drone's chip and generate a unique digital identity identifier. Step 2: Use blockchain technology to upload the drone's identity information to the blockchain for storage to ensure that the identity information is immutable and traceable. Step 3: Before the drone starts, verify the drone's identity information through the blockchain network to ensure its legality. Step 4: Ensure that the drone can enter a legal flight path by comparing with the identity information stored on the blockchain. Step 5: When the drone's identity information changes, update and upload it to the blockchain in a timely manner. Step 6: Ensure the real-time synchronization and accuracy of the drone's identity information on the blockchain. Step 7: Through the decentralized blockchain network, allow drones to verify each other's identities to prevent drones with forged identities from accessing. Step 8: Manage the identity verification of different levels of drones through blockchain layering to ensure the efficiency and scalability of the system. Step 9: When the user logs in to the drone system, perform collaborative verification through Internet of Things devices. Step 10: The user uses devices such as smartphones, tablets, and bracelets to perform identity verification in combination with digital signature and hash technology. Step 11: The system performs multiple verifications on the uploaded drone data through a data cross-verification mechanism to ensure the reliability of the data. Step 12: Sensitive data is encrypted and stored through a hot and cold key strategy to ensure the security of the drone's identity information and sensitive data. Step Thirteen: Design the system to support the access of ultra-large-scale drones and ensure efficient and stable operation; Step Fourteen: Set a performance model under the condition of ultra-large-scale drone access, optimize the total processing time, and ensure efficiency; Step Fifteen: In a multi-level blockchain network, use the consensus mechanism of the blockchain to perform decentralized verification of identity information; Step Sixteen: Ensure data integrity and immutability during the identity verification process through the consensus mechanism and the blockchain network; Step Seventeen: When the user logs in to the drone system, the traditional SMS and email verification processes are eliminated, simplifying the operation; Step Eighteen: Through cold and hot key encryption storage and sensitive data protection technologies, ensure the privacy and security of drone identity information and user data.

[0031] In summary, the advantages of the present invention are as follows: In the present invention, the identity information of the drone is stored on the blockchain, and by utilizing the decentralized characteristics of the blockchain, the immutability and traceability of the drone identity information are realized. The identity information of each drone is independently recorded and verified through the consensus mechanism, ensuring the security and reliability of the identity verification. The blockchain technology avoids the single-point failure problem in the traditional identity authentication system and greatly improves the overall security of the system; This system has the function of real-time updating of drone identity information. When the identity information of the drone changes, the new identity information will be uploaded to the blockchain in a timely manner and synchronized for updating, ensuring the accuracy and timeliness of the identity information; By adopting a multi-level blockchain networking module, the system can achieve more efficient identity verification through hierarchical management as needed. Under the condition of ultra-large-scale drone access, the system can still operate efficiently and stably. This multi-level blockchain architecture can adapt to the increasing number of drones and ensure efficient identity verification when the number of drones reaches tens of thousands or even hundreds of thousands; Drones establish a collaborative mechanism through a decentralized blockchain network, enabling each drone to verify the identity of each other. The system can effectively prevent drones with forged identities from accessing, avoiding security risks brought by malicious attacks and drone abuse; When the user logs in to the drone system, collaborative verification can be carried out through Internet of Things devices such as smartphones, tablets, and smart bracelets, instead of the traditional verification methods such as SMS and emails. This collaborative verification method not only simplifies the verification process but also improves the security of identity authentication, avoiding the risk of possible identity theft; The present invention uses a hot and cold key strategy to encrypt and store sensitive data, ensuring that the identity information of the drone and related sensitive data cannot be leaked without authorization. This encryption technology can effectively protect sensitive information during the operation of the drone, preventing hacker attacks or data leaks; This system has good adaptability and can ensure the efficient and stable operation of identity verification when facing the access of a large number of drone devices. By formulating a suitable performance model, the system can effectively handle the identity verification work under ultra-large-scale access, ensuring the operability and security of the drone in an ultra-large-scale environment.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A drone identity collaborative verification system based on multi-level blockchain, characterized in that: include: Drone identity information registration module, drone identity information verification module, drone identity information update module, multi-level blockchain networking module between drones and user identity authentication module; Drone identity information registration module: used to register and store the model, serial number and manufacturer's identity information of the drone after it leaves the factory on the drone's chip, generate and cast a digital identity, and store the drone's identity information on the chain; UAV identity information verification module: The UAV identity information verification module is electrically connected to the UAV identity information registration module. The UAV identity information verification module is used to verify the identity information of the UAV through the blockchain network before the UAV is started, to ensure that the UAV's identity is legal and can enter the legal waterway; UAV identity information update module: The UAV identity information update module is electrically connected to the UAV identity information verification module. The UAV identity information update module is used to update the new identity information to the blockchain in a timely manner when the identity information of the UAV changes, so as to ensure the real-time and accuracy of the identity information; Multi-level blockchain networking module between drones: The multi-level blockchain networking module between drones is electrically connected to the drone identity information update module. The multi-level blockchain networking module between drones is used to form a collaborative mechanism for data exchange and identity authentication between drones through a decentralized blockchain network, ensuring that drones can authenticate each other and prevent malicious behavior. Through block point classification and grouping methods, the concurrency pressure is reduced to achieve identity authentication for ultra-large-scale fleets; User identity authentication module: The user identity authentication module is electrically connected to the multi-level blockchain networking module between drones, the drone identity information update module, the drone identity information verification module and the drone identity information registration module. The user identity authentication module is used for identity authentication through collaborative verification in combination with the Internet of Things device when the user logs into the drone system.

2. The multi-level blockchain-based drone identity collaborative verification system according to claim 1 is characterized by: The drone identity information registration module generates a unique digital identity through the drone's chip to ensure the immutability and traceability of the identity information. The drone identity information verification module utilizes the decentralized characteristics of the blockchain to ensure the reliability and security of the drone identity authentication process through information comparison and consensus mechanism between blockchain nodes.

3. The multi-level blockchain-based drone identity collaborative verification system according to claim 2 is characterized in that: The identity information update module updates the drone identity information and stores the new information on the chain when the drone ownership is transferred, repaired, cancelled, or the usage record is updated, ensuring real-time synchronization of the identity information. The user identity authentication module is collaboratively verified through IoT devices, which include the user's mobile phone, tablet, bracelet, and other smart devices, and the uniqueness of the user's identity is ensured through digital signatures and hash computing technology.

4. The multi-level blockchain-based drone identity collaborative verification system according to claim 3 is characterized by: The multi-level blockchain networking module manages drone identity authentication in a hierarchical manner through the blockchain hierarchy, ensuring that the system has high scalability and efficiency when ultra-large-scale drones are accessed. The system performs multiple verifications on the data uploaded by the drone through a data cross-verification mechanism. The system encrypts and stores sensitive data through hot and cold key strategies, ensuring that the drone's identity information and related sensitive data cannot be leaked without authorization.

5. The multi-level blockchain-based drone identity collaborative verification system according to claim 4 is characterized in that: The system performs multiple verifications on the data uploaded by the drone through a data cross-validation mechanism. The formula for setting data cross-validation is as follows: In the formula, Indicates the data verification result. For multiple data sources involved in cross-validation, is the cross validation function.

6. The multi-level blockchain-based drone identity collaborative verification system according to claim 5 is characterized in that: The system encrypts and stores sensitive data using a hot and cold key strategy, where the encryption formula is: In the formula, Indicates sensitive data. Indicates the encrypted data. represents the encryption process of the cold key, represents the encryption process of the hot key, Indicates a combination of two encryption methods.

7. The multi-level blockchain-based drone identity collaborative verification system according to claim 6 is characterized by: The system can handle ultra-large-scale drone access, ensure the efficient and stable operation of the system when facing a large number of devices, and set the performance model under ultra-large-scale access; The model formula is: In the formula, is the total processing time of the system, Indicates the number of connected drones, Indicates the authentication processing time for each drone.

8. A method for collaboratively verifying the identity of a drone based on a multi-level blockchain performed by the system according to any one of claims 1 to 7, characterized in that: The method comprises: S1: After the drone leaves the factory, the drone’s identity information, including model, serial number, and manufacturer, is recorded and registered, and a digital identity is generated, which is then stored on the blockchain using blockchain technology; S2: Before the drone is started, the identity information of the drone is verified through the blockchain network and compared with the information stored on the blockchain to ensure the legitimacy of the drone's identity; S3: When the drone’s identity information changes, the identity information is updated and uploaded to the blockchain to ensure the timeliness and accuracy of the identity information; S4: In the multi-level blockchain network, other drones verify based on the identity verification request and work together to ensure the legitimacy of the drone identity and prevent drones with forged identities from accessing; S5: When the user logs into the drone system, IoT device collaborative verification is performed without the need for additional SMS and email verification.

9. The method for collaboratively verifying the identity of a drone based on a multi-level blockchain according to claim 8 is characterized in that: The identity information update operation in S3 includes the transfer of drone ownership, maintenance, cancellation and update of usage records. The verification process in S4 uses the consensus mechanism of blockchain to decentralizedly verify the identity information and ensure the integrity and non-tamperability during data transmission. The collaborative verification in S5 is achieved through IoT devices, including users' smartphones, tablets and bracelet devices.

10. The method for collaboratively verifying the identity of a drone based on a multi-level blockchain according to claim 9 is characterized in that: The method adopts hot and cold key strategies to encrypt and store sensitive data to ensure the security and privacy protection of drone identity information, can adapt to ultra-large-scale drone access, and ensure that the system can operate efficiently and stably when facing a large number of devices.

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