CN113452734B - Block chain system based on narrow-band transmission - Google Patents
Block chain system based on narrow-band transmission Download PDFInfo
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Abstract
The application discloses a block chain system based on narrow-band transmission, which comprises a block chain platform, a narrow-band transmission gateway and block equipment; the block equipment is connected with the narrow-band transmission gateway, and data to be linked is uploaded to the block chain platform through the narrow-band transmission gateway; the block chain platform is connected with the narrow-band transmission gateway, and a mixed chain formed by at least two block chain main chains is adopted to store data to be linked; the hybrid chains have side chains that provide safety services to the hybrid chains. The mixed chain architecture based on narrow-band transmission is adopted, the side chain is used for providing safety service, flexibility and reliability are good, network resources can be saved, the deployment and operation and maintenance cost of the block chain system can be reduced, and the safety of the block chain system is improved.
Description
Technical Field
The present application relates to the field of blockchain technology, and more particularly, to a blockchain system based on narrowband transmission.
Background
The blockchain is a distributed ledger system established in a P2P network and participated by nodes, and the biggest characteristic is decentralization. In other words, in the blockchain system, transactions can be realized only by relying on the blockchain protocol system without establishing trust between users, between users and organizations and between organizations.
The so-called 'consensus mechanism' is that the transaction is verified and confirmed in a short time through the voting of special nodes; when the opinions are inconsistent, under the condition of no central control, a plurality of nodes participate in decision making to reach consensus, namely how to establish trust relationship among individuals without trust bases.
The blockchain technology just applies a set of consensus-based mathematical algorithm to establish a 'trust' network between machines, so that brand-new credit creation is performed through technical endorsements rather than centralized credit organizations.
In the prior art, a blockchain system is deployed mainly using a public chain, a federation chain, or a private chain architecture, and a wide area network is used to provide a transmission service.
However, in practical applications, the existing block chain system has poor flexibility, is easy to cause resource waste, and has high deployment and operation and maintenance costs.
Disclosure of Invention
The embodiment of the application provides a block chain system based on narrowband transmission, which is used for solving the following technical problems in the prior art: the existing block chain system has poor flexibility, resource waste is easily caused, and the deployment and operation and maintenance costs are high.
The embodiment of the application adopts the following technical scheme:
a block chain system based on narrow-band transmission comprises a block chain platform, a narrow-band transmission gateway and block equipment;
the block equipment is connected with the narrow-band transmission gateway, and data to be linked is uploaded to the block chain platform through the narrow-band transmission gateway;
the block chain platform is connected with the narrow-band transmission gateway, and a mixed chain comprising at least two block chain main chains is adopted to store the data to be linked;
the hybrid chain has a side chain that provides a safety service for the hybrid chain.
Optionally, different block devices connected to the narrowband transmission gateway can communicate through the narrowband transmission gateway;
if the protocols adopted by the block devices which communicate through the narrow-band transmission gateway are different, the narrow-band transmission gateway carries out conversion compatibility processing aiming at the different protocols.
Optionally, the protocol adopted by the block device includes at least one of the following: message Queuing Telemetry Transport (MQTT), Advanced Message Queuing Protocol (AMQP), restricted Application Protocol (CoAP), Data Distribution Service (DDS), Extensible Messaging and Presence Protocol (XMPP), Java Message Service (JMS), Representational State Transfer (REST), HyperText Transfer Protocol (HTTP).
Optionally, the at least two blockchain backbones include a public chain backbone and a private chain backbone.
Optionally, the side chain is for:
auditing the data to be uplinked or the data on the chain stored on the hybrid chain to obtain audit information, or synchronously obtaining the audit information from the hybrid chain;
and judging the safety of the data to be linked, the data on the link or the block equipment according to the audit information.
Optionally, the hybrid chain comprises two block chain backbones;
one of the two block chain main chains is used for storing business related data, and the other block chain main chain is used for storing summary data of the business related data.
Optionally, the side chain is further for:
and according to the audit information, checking the data consistency between the at least two block chain main chains.
Optionally, the audit information includes at least one of: summary data of a block previous to a current block on the block chain main chain, summary data of a root block on the block chain main chain, a device identification of the block device, a device certificate of the block device, and an associated random number.
Optionally, the blockchain platform provides consensus services based on a cryptographic algorithm.
Optionally, the narrowband transmission gateway comprises a narrowband Internet of Things (NB-IoT) gateway.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects: the hybrid chain architecture based on narrow-band transmission is adopted, the side chain is used for providing safety service, the flexibility and the reliability are good, network resources can be saved, the deployment, the operation and maintenance cost of the block chain system can be reduced, and the safety of the block chain system is improved.
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The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block chain system according to some embodiments of the present disclosure;
fig. 2 is a schematic diagram illustrating an actual application scenario of the blockchain system of fig. 1 according to some embodiments of the present application;
fig. 3 is a schematic diagram illustrating an architecture of a blockchain platform in the blockchain system of fig. 1 in an actual application scenario according to some embodiments of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a block chain system according to some embodiments of the present disclosure. The blockchain system (hereinafter referred to as blockchain system) in fig. 1 includes a blockchain platform, narrowband transmission gateways supporting narrowband transmission, and blockchain devices, and it is illustrated that there are N narrowband transmission gateways, and one of the narrowband transmission gateways is connected with M blockchain devices. The block equipment is connected with the narrow-band transmission gateway, and data to be linked is uploaded to the block chain platform through the narrow-band transmission gateway; the block chain platform is connected with the narrow-band transmission gateway, and a mixed chain comprising at least two block chain main chains is adopted to store data to be linked; the hybrid chains have side chains that provide safety services to the hybrid chains.
The bandwidth is saved to the mode of narrowband transmission, is suitable for little data volume transmission, is suitable for the data transmission of low frequency, is particularly suitable for the use of IoT equipment, and based on this, the piece of equipment can be IoT equipment, for example, smart electric meter, intelligent water gauge, intelligent household electrical appliances etc.. The data can be transmitted between the block chain platform and the narrowband transmission gateway based on NB-IoT, and the data can be transmitted between the narrowband transmission gateway and the block device based on NB-IoT.
In practical applications, the specific types of block devices are various, and manufacturers may also be different, so that there may be a problem in terms of protocol compatibility, and the application solves the problem through a narrowband transmission gateway with narrowband transmission capability. The narrowband transmission gateway supports communication between the block devices or the block devices communicate with the block chain platform. If the protocols adopted by the two communication parties are different, the narrow-band transmission gateway carries out conversion and compatible processing aiming at the different protocols, so that the communication can be smoothly carried out, and the block device and the block chain platform are favorably prevented from bringing extra processing burden.
More intuitively, referring to fig. 2, fig. 2 is a schematic diagram of an actual application scenario of the blockchain system of fig. 1 according to some embodiments of the present application.
In fig. 2, the narrowband transmission gateway is an IoT gateway supporting narrowband transmission, and the blockchain platform registers and manages the blocky devices through the IoT gateway. The IoT gateway and the blockchain platform communicate through NB-IoT, the IoT gateway and the blockchain platform communicate through protocols supported by the blockchain platform, and the blockchain platform can communicate with each other through the IoT gateway and realize protocol conversion compatibility.
Taking IoT gateway 1 as an example, it communicates with block device 1 through MQTT, communicates with block device 1 through REST, and communicates with block device M through CoAP, IoT gateway 1 can perform conversion and compatibility processing on these different protocols, so that these devices can smoothly communicate through IoT gateway 1.
The block chain system adopts a mixed chain structure, a plurality of block chain main chains are used for storing data according to actual requirements, and the types of the plurality of block chain main chains can have differences, so that the advantages of various types can be brought into play, and the flexibility, the safety and the efficiency are considered, for example, the main chain of a public chain is combined with the main chain of a private chain, the main chain of a alliance chain is combined with the main chain of the private chain, and the like.
The side chain can be used as an intermediate side to support data interaction between the block chain main chains in the mixed chain, and the method has the advantages of reducing the burden of the block chain main chains, facilitating the expansion of service functions, simultaneously reducing the influence on the block chain main chains as much as possible and reducing the coupling.
The side chain provides security services for the hybrid chain. For example, side chains can be used for: auditing the data to be uplink or the data on the chain stored on the hybrid chain to obtain audit information, or synchronously obtaining the audit information from the hybrid chain; and judging the safety of the data to be linked, the data on the link or the block equipment according to the audit information. The audit information includes, for example, at least one of: summary data of a block previous to a current block in the block chain main chain, summary data of a root block in the block chain main chain, a device identifier of a block device, a device certificate of the block device, an associated random number and the like. The side chains can further employ high concurrency techniques to improve audit efficiency.
For example, it is assumed that the hybrid chain includes two blockchains, one blockchain main chain (for example, a main chain of a private chain) of the two blockchain main chains is used for storing the business-related data, and the other blockchain main chain (for example, a main chain of a public chain) is used for storing summary data of the business-related data, so that the business-related data is not directly exposed to the public, the public can verify the business-related data by using the summary data, and the data volume of the summary data is relatively small, thereby contributing to improving the data processing efficiency on the public chain and taking safety and efficiency into account.
For data with correlation on different block chain main chains, in order to prevent illegal tampering, especially the problem that a private chain or a alliance chain is more likely to occur, the data with correlation can be checked for consistency by the side chain to determine whether the data is tampered.
As explained in the above example, the side chain may check whether the service related data on the private chain main chain and the summary data on the common chain main chain are consistent according to the audit information. In addition to checking the service content itself, other auxiliary data such as time may also be checked.
In order to further improve the security, a blockchain platform may be constructed based on a national cryptographic algorithm (e.g., SM3, etc.), and the national cryptographic algorithm is applied to the service of the blockchain platform, for example, a consensus service sub-platform based on the national cryptographic algorithm is constructed, and the consensus service sub-platform provides consensus service based on the national cryptographic algorithm and is applied to the blockchain platform. In the process Of performing consensus on the uplink data, the blockchain platform may perform encryption and decryption processing by using a cryptographic algorithm, and the consensus related algorithms that can be supported may include workload certification (PoW), stock right certification (PoS), authorized stock right certification (DPoS), Paxos, Practical Byzantine Fault Tolerance (PBFT), Delegated Byzantine Fault Tolerance (dBFT), Directed Acyclic Graph (direct acquired Acyclic Graph, DAG), and the like.
Based on some embodiments, in a practical application scenario, the hybrid chain architecture based on narrow-band transmission is adopted, a high-concurrency audit side chain is combined, and a block chain platform is constructed based on a state-secret algorithm, so that the purposes of reducing deployment and operation and maintenance costs, and being safe and reliable can be achieved.
Further, some embodiments of the present disclosure further provide a schematic architecture diagram of a blockchain platform in the blockchain system of fig. 1 in an actual application scenario, as shown in fig. 3, a structure of a hybrid-chain bonding side chain may be implemented based on the architecture of fig. 3.
In fig. 3, the blockchain platform includes a distributed coordinator, a KV database, a sorting component, a blockchain link point deployment, a CA authentication component, and the like, and implements an elastic and scalable dynamic extension scheme using a Docker container. The core algorithm layer comprises a consensus algorithm, an intelligent contract and an endorsement strategy, and also comprises a data encryption algorithm and a special digital signature algorithm. Based on a basic service layer and a core algorithm layer, the development service is enabled to be open, and the development service mainly comprises member management, identity authentication, a service engine, visual development and the like. In the full-architecture multi-layer structure, multiple composite security privacy protection mechanisms and technologies are used for providing security privacy protection of a full link and realizing computing security, data security, network security and management service security. In the aspect of operation and maintenance monitoring, based on an automatic operation and maintenance technology, the rapid positioning and elimination of faults are realized, and functions such as visual monitoring and custom warning can be realized by combining global monitoring.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a system, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A block chain system based on narrow-band transmission is characterized by comprising a block chain platform, a narrow-band transmission gateway and block equipment;
the block equipment is connected with the narrow-band transmission gateway, and data to be linked is uploaded to the block chain platform through the narrow-band transmission gateway;
the block chain platform is connected with the narrow-band transmission gateway, and a mixed chain comprising at least two block chain main chains is adopted to store the data to be linked;
the hybrid chain has a side chain that provides a safety service for the hybrid chain.
2. The blockchain system of claim 1, wherein different ones of the blockdevices connecting the narrowband transmission gateways are capable of communicating via the narrowband transmission gateway;
if the protocols adopted by the block devices which communicate through the narrow-band transmission gateway are different, the narrow-band transmission gateway carries out conversion compatibility processing aiming at the different protocols.
3. The blockchain system of claim 2, wherein the protocols employed by the blockchain device include at least one of: message Queue Telemetry Transport (MQTT), Advanced Message Queue Protocol (AMQP), restricted application protocol (CoAP), Data Distribution Service (DDS), extensible message presence protocol (XMPP), Java Message Service (JMS), representational state transfer (REST) and hypertext transfer protocol (HTTP).
4. A blockchain system as in claim 1 wherein the at least two blockchain backbones include a public chain backbone and a private chain backbone.
5. The blockchain system of claim 1, wherein the sidechain is to:
auditing the data to be uplinked or the data on the chain stored on the hybrid chain to obtain audit information, or synchronously obtaining the audit information from the hybrid chain;
and judging the safety of the data to be linked, the data on the link or the block equipment according to the audit information.
6. The blockchain system of claim 5, wherein the hybrid chain includes two blockchain backbones;
one of the two block chain main chains is used for storing business related data, and the other block chain main chain is used for storing summary data of the business related data.
7. The blockchain system of claim 5, wherein the sidechains are further configured to:
and according to the audit information, checking the data consistency between the at least two block chain main chains.
8. A blockchain system as claimed in any one of claims 5 to 7 wherein said audit information includes at least one of: summary data of a block previous to a current block on the block chain main chain, summary data of a root block on the block chain main chain, a device identification of the block device, a device certificate of the block device, and an associated random number.
9. The blockchain system of any one of claims 1 to 7, wherein the blockchain platform provides consensus services based on a cryptographic algorithm.
10. The blockchain system of any one of claims 1 to 7, wherein the narrowband transport gateway comprises a narrowband Internet of things (NB-IoT) gateway.
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| WO2020028589A1 (en) * | 2018-07-31 | 2020-02-06 | Americorp Investments Llc | Techniques for expediting processing of blockchain transactions |
| CN110542454A (en) * | 2019-09-10 | 2019-12-06 | 深圳市步云科技有限公司 | Environmental quality detection system based on block chain and Internet of things application technology |
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