CN112036850A - Digital asset data access method and device and digital asset transaction system - Google Patents
Digital asset data access method and device and digital asset transaction system Download PDFInfo
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
- G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
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Abstract
The embodiment of the invention provides a method and a device for accessing digital asset data and a trading system of digital assets, wherein the method comprises the following steps: after the transaction between the seller blockchain node and the buyer blockchain node is achieved, sending the routing information of the digital asset data access interface of the seller blockchain node to the buyer blockchain node; the buyer blockchain node accesses the digital asset data of the seller blockchain node according to the routing information.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to a method and a device for accessing digital asset data and a transaction system of digital assets.
Background
In the related art, in order to perform digital asset transaction, a management platform for controlling digital asset transaction needs to know information of Application Programming Interfaces (APIs) of all nodes registered on the management platform, that is, the management platform masters all information of transaction participants, which is not beneficial to protecting data security of the digital asset party.
Disclosure of Invention
The embodiment of the invention provides a method and a device for accessing digital asset data and a transaction system of digital assets, which at least solve the problem of poor safety of the digital asset data in the related technology.
According to an embodiment of the present invention, there is provided an access method of digital asset data, including:
after a transaction between a seller blockchain node and a buyer blockchain node is completed, sending routing information of a digital asset data access interface of the seller blockchain node to the buyer blockchain node; the buyer block link point accesses digital asset data for the seller block link node according to the routing information.
According to another embodiment of the present invention, there is provided an access apparatus for digital asset data, including:
the system comprises a sending module and a receiving module, wherein the sending module is used for sending routing information of a digital asset data access interface of a seller block chain node to a buyer block chain node after a transaction between the seller block chain node and the buyer block chain node is achieved, and the routing information is used for indicating the buyer block chain node to access digital asset data of the seller block chain node according to the routing information.
There is also provided, in accordance with yet another embodiment of the present invention, a system for trading digital assets, including: the system comprises a management platform, a buyer block chain node and a seller block chain node; wherein after a transaction between a seller blockchain node and a buyer blockchain node is completed, routing information of a digital asset data access interface of the seller blockchain node is sent to the buyer blockchain node through the management platform; the buyer block link point accesses digital asset data for the seller block link node according to the routing information.
According to a further embodiment of the present invention, there is also provided a computer-readable storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
According to yet another embodiment of the present invention, there is also provided an electronic device, including a memory in which a computer program is stored and a processor configured to execute the computer program to perform the steps in any of the above method embodiments.
According to the embodiment of the invention, after the transaction between the seller block chain node and the buyer block chain node is completed, the routing information of the digital asset data access interface of the seller block chain node is sent to the buyer block chain node; the buyer block chain node accesses the digital asset data of the seller block chain node according to the routing information, so that the management platform does not need to acquire the routing information of the data access interface of each block chain node participating in transaction, the possibility that the digital asset data of the seller is leaked through the management platform is avoided, the safety of the digital asset data of the seller is improved, the problem of poor safety of the digital asset data in the related technology can be solved, and the technical effect of improving the safety of the digital asset data is achieved.
Drawings
FIG. 1 is a block diagram of a hardware architecture of a blockchain node of a method of accessing digital asset data in accordance with an embodiment of the present invention;
FIG. 2 is a flow chart of a method of accessing digital asset data according to an embodiment of the present invention;
fig. 3 is a block diagram of a structure of an access apparatus for digital asset data according to an embodiment of the present invention;
FIG. 4 is a block diagram of the architecture of a transaction system for digital assets according to an embodiment of the invention;
fig. 5 is a block diagram of a structure of a transaction system for digital assets according to an example embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The method embodiments provided in the embodiments of the present application may be executed in a mobile terminal, a computer terminal, a block chain node or a similar computing device. Taking the example of running on a blockchain node, fig. 1 is a block diagram of a hardware structure of a blockchain node of the method for accessing digital asset data according to the embodiment of the present invention. As shown in fig. 1, a block chain node may include one or more (only one is shown in fig. 1) processors 102 (the processors 102 may include, but are not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data, wherein the block chain node may further include a transmission device 106 for communication functions and an input-output device 108. It will be understood by those of ordinary skill in the art that the structure shown in fig. 1 is merely illustrative and is not intended to limit the structure of the above-described blockchain node. For example, a block link point may also include more or fewer components than shown in fig. 1, or have a different configuration than shown in fig. 1.
The memory 104 may be used to store computer programs, for example, software programs and modules of application software, such as computer programs corresponding to the digital asset data access method in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the computer programs stored in the memory 104, so as to implement the above-mentioned method. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the blockchain node through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used for receiving or transmitting data via a network. Specific examples of such networks may include wireless networks provided by communication providers of the blockchain nodes. In one example, the transmission device 106 includes a Network adapter (NIC), which can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
The embodiments of the present application can be operated on a network architecture of a block chain.
In this embodiment, a method for accessing digital asset data operating in the above-mentioned blockchain node or blockchain network structure is provided, and fig. 2 is a flowchart of the method for accessing digital asset data according to an embodiment of the present invention, as shown in fig. 2, the flowchart includes the following steps:
step S202, after the transaction between the seller block chain node and the buyer block chain node is completed, the routing information of the digital asset data access interface of the seller block chain node is sent to the buyer block chain node;
in step S204, the buyer blockchain node accesses the digital asset data of the seller blockchain node according to the routing information.
According to the embodiment of the invention, after the transaction between the seller block chain node and the buyer block chain node is completed, the routing information of the digital asset data access interface of the seller block chain node is sent to the buyer block chain node; the buyer block chain node accesses the digital asset data of the seller block chain node according to the routing information, so that the management platform does not need to acquire the routing information of the data access interface of each block chain node participating in transaction, the possibility that the digital asset data of the seller is leaked through the management platform is avoided, the safety of the digital asset data of the seller is improved, the problem of poor safety of the digital asset data in the related technology can be solved, and the technical effect of improving the safety of the digital asset data is achieved.
In an exemplary embodiment, sending routing information for the data access interface of the seller blockchain node to the buyer blockchain node includes: and sending the routing information of the data access interface of the seller blockchain node to the buyer blockchain node through an intelligent contract, wherein the intelligent contract carries the routing information of the digital asset data access interface of the seller blockchain node.
In an exemplary embodiment, sending routing information for the data access interface of the seller blockchain node to the buyer blockchain node includes: routing information for the data access interface of the seller blockchain node is sent to the sidecar of the buyer blockchain node.
In an exemplary embodiment, the buyer blockchain node accessing the digital asset data of the seller blockchain node according to the routing information includes: the sidecar of the buyer blockchain node establishes a routing connection with a digital asset data access interface of the seller blockchain node according to the routing information; the buyer blockchain node accesses the digital asset data access interface of the seller blockchain node through the routing connection.
In an exemplary embodiment, before the transaction between the seller blockchain node and the buyer blockchain node is completed, the method further comprises: receiving a digital asset transaction request sent by the buyer blockchain node and receiving digital asset information sent by the seller blockchain node through a management platform; and displaying the digital asset transaction request and the digital asset information; obtaining a digital asset pricing result, wherein the digital asset pricing result is determined according to the digital asset transaction request and the digital asset information; generating an intelligent contract according to the digital asset pricing result, wherein at least the digital asset pricing result is indicated in the intelligent contract; the intelligent contract is deployed to each blockchain node in a blockchain network, wherein the each blockchain node comprises the seller blockchain node and the buyer blockchain node.
In an exemplary embodiment, prior to obtaining the digital asset pricing result, the method further comprises:
determining, by the management platform, the digital asset pricing result based on at least one of: the data volume of the digital asset, the rating information of the buyer blockchain node, the rating information of the seller blockchain node.
In an exemplary embodiment, prior to obtaining the digital asset pricing result, the method further comprises: determining the digital asset pricing result through negotiation between the buyer blockchain node and the seller blockchain node.
In an exemplary embodiment, the method further comprises: and allocating the selling revenue of the digital assets according to the intelligent contract.
In this embodiment, a digital asset data access device is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, which have already been described and are not described again. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 3 is a block diagram of a structure of an apparatus for accessing digital asset data according to an embodiment of the present invention, as shown in fig. 3, the apparatus including:
a sending module 31, configured to send, after a transaction between a seller blockchain node and a buyer blockchain node is completed, routing information of a digital asset data access interface of the seller blockchain node to the buyer blockchain node, where the routing information is used to instruct the buyer blockchain node to access the digital asset data of the seller blockchain node according to the routing information.
According to the embodiment of the invention, after the transaction between the seller block chain node and the buyer block chain node is completed, the routing information of the digital asset data access interface of the seller block chain node is sent to the buyer block chain node; the routing information is used for indicating the buyer blockchain node to access the digital asset data of the seller blockchain node according to the routing information, so that the management platform does not need to acquire the routing information of the data access interface of each block chain node participating in transaction, the possibility that the digital asset data of the seller is leaked through the management platform is avoided, the safety of the digital asset data of the seller is improved, the problem of poor safety of the digital asset data in the related technology can be solved, and the technical effect of improving the safety of the digital asset data is achieved.
In an exemplary embodiment, the routing information of the data access interface of the seller blockchain node is sent to the buyer blockchain node by an intelligent contract, wherein the intelligent contract carries the routing information of the digital asset data access interface of the seller blockchain node.
In an exemplary embodiment, routing information for the data access interface of the seller blockchain node is sent to the sidecar of the buyer blockchain node.
In an exemplary embodiment, the routing information is further for instructing the sidecar of the buyer blockchain node to establish a routing connection with a digital asset data access interface of the seller blockchain node in accordance with the routing information; the buyer blockchain node accesses the digital asset data access interface of the seller blockchain node through the routing connection.
In an exemplary embodiment, the apparatus further comprises: a receiving module, configured to receive a digital asset transaction request sent by the buyer block chain node and receive digital asset information sent by the seller block chain node before a transaction between the seller block chain node and the buyer block chain node is completed; the display module is used for displaying the digital asset transaction request and the digital asset information; an obtaining module, configured to obtain a digital asset pricing result, where the digital asset pricing result is determined according to the digital asset transaction request and the digital asset information; and the generation module is used for generating an intelligent contract according to the digital asset pricing result, wherein at least the digital asset pricing result is indicated in the intelligent contract, and deploying the intelligent contract to each blockchain node in a blockchain network, wherein each blockchain node comprises the seller blockchain node and the buyer blockchain node.
In an exemplary embodiment, the apparatus further comprises: a first determining module for determining the digital asset pricing result according to at least one of the following before obtaining the digital asset pricing result: the data volume of the digital asset, the rating information of the buyer blockchain node, the rating information of the seller blockchain node.
In an exemplary embodiment, the apparatus further comprises: and the second determination module is used for determining the digital asset pricing result according to the negotiation result of the buyer block chain node and the seller block chain node before the digital asset pricing result is obtained.
In an exemplary embodiment, the apparatus further comprises: and the distribution module is used for distributing the selling income of the digital assets according to the intelligent contract.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
A transaction system for a digital asset is further provided in this embodiment, and fig. 4 is a block diagram of a transaction system for a digital asset according to an embodiment of the present invention, as shown in fig. 4, including:
a management platform 44, a buyer blockchain node 42, a seller blockchain node 46; wherein routing information for the digital asset data access interface of the seller blockchain node 46 is sent to the buyer blockchain node 42 by the management platform 44 after the transaction between the seller blockchain node 46 and the buyer blockchain node 42 is completed; the buyer blockchain node 42 accesses the digital asset data of the seller blockchain node 46 based on the routing information.
According to the embodiment of the invention, after the transaction between the seller block chain node and the buyer block chain node is completed, the routing information of the digital asset data access interface of the seller block chain node is sent to the buyer block chain node; the buyer block chain node accesses the digital asset data of the seller block chain node according to the routing information, so that the management platform does not need to acquire the routing information of the data access interface of each block chain node participating in transaction, the possibility that the digital asset data of the seller is leaked through the management platform is avoided, the safety of the digital asset data of the seller is improved, the problem of poor safety of the digital asset data in the related technology can be solved, and the technical effect of improving the safety of the digital asset data is achieved.
Other embodiments of the present embodiment can refer to other embodiments, and are not described herein again.
Example embodiments
The following further explains the embodiments of the present invention with reference to application scenarios.
Fig. 5 is a block diagram showing the structure of a transaction system for digital assets according to an exemplary embodiment of the present invention, and as shown in fig. 5, the scheme provided by the present embodiment may be applied to a scenario shown in the figure, which includes a digital asset management platform, and a plurality of buyer or seller servers. It should be noted that the same server may serve both the buyer and seller roles. As shown, the server is deployed with blockchain nodes, and sidecars (sidecars).
In the transaction process of the digital asset data provided by the embodiment, once negotiation and bargaining between the buyer node and the seller node are achieved, the intelligent contract issues the route of the API of the seller node to the sidecar of the buyer node through the intelligent contract, and the sidecar can get through the routing relationship between the buyer node and the seller node according to the route information after receiving the route information, so that the buyer can access the API of the seller to access the digital asset data. In the process, the management platform only plays a role in matching transactions, is not used as a transaction party of the assets, and cannot know a data access interface of an owner (namely a seller node), so that the privacy of owner data is ensured. Illustratively, each participant node deploys a routing node in a sidecar mode, and after a transaction party finishes bargaining, an intelligent contract is triggered to finish routing and issuing, so that API (application program interface) data query is realized, and the privacy of information of a sponsor is ensured.
In an exemplary embodiment, the sidecar corresponds to an agent that accompanies the node. In the scheme, the side car is used for receiving and processing the API acquired after the transaction is completed, so that the condition that a buyer cannot directly contact the sensitive data is guaranteed, and the privacy of the data is guaranteed.
In an exemplary embodiment, the sidecars of the seller node may access the data that the transaction is completed, i.e., the data sold by the seller via the API.
In one exemplary embodiment, the smart contracts are rules for transactions, ensuring that each step of a transaction is executed according to predefined rules. The data of the transaction are always stored in the server of the seller, and even if the transaction is completed, the buyer can only access the data through the API and cannot directly contact the data.
The measurement pricing of the digital assets is a key point for price negotiation between buyers and sellers, and is a key point for whether the transaction can be achieved. In an exemplary embodiment, the digital assets can be metered in a number of ways, such as by file size, and can be provided to the buyer in an API manner for data item size pricing. When the buyer has an intention on a certain digital asset, the management platform side opens a preview of the digital asset of the seller subjected to privacy processing so that the buyer can determine whether the commodity is required by the buyer. In the aspect of data pricing, the method can be in various modes, such as pricing on the management platform side, pricing negotiation and the like; the pricing may be combined as a factor based on the quantity of the digital assets and the buyer's valuation. For example, commodity (index digital asset) prices can be generated in two ways: when a transaction is initiated, the buyer and the seller negotiate pricing; or if the buyer and the seller do not negotiate, the platform automatically generates the dynamic price according to various factors such as the data size of the commodity, user evaluation and the like. The determined price can be recorded on the block chain together with the commodity and updated along with the price change, and all records cannot be tampered. The digital asset pricing is completed through the intelligent contract, the characteristic that the block chain cannot be tampered is fully utilized, and the benefit distribution of the participants after the transaction is completed is guaranteed.
In an exemplary embodiment, the result of the negotiation pricing is written to the intelligent contracts for the blockchain. The intelligent contract ensures that the price negotiation result cannot be changed, when the transaction is achieved, the intelligent contract is automatically triggered, and the contract distributes economic benefits according to the price negotiation result at the moment.
In an exemplary embodiment, the solution provided by this embodiment deploys not only the blockchain nodes on the nodes of the participating parties, but also the routing nodes in the sidecar mode. The issuing of the routing strategy is controlled by the intelligent contract, thereby ensuring the privacy of the user information and improving the efficiency.
The embodiment takes the data volume and the user evaluation as objective standards for evaluating the user data, and simultaneously supports the form of user negotiation to carry out pricing and bargaining so as to complete the transaction matching of the digital assets. The intelligent contract fully plays the role of 'code, namely law', records the bargaining result of the two parties and takes the bargaining result as the criterion of the transaction. In addition, the embodiment also performs agreement through the intelligent contract, and the SideCar receives a command issued by the intelligent contract on the node to complete the calling and the query of the data API.
The design scheme is a whole set of digital asset transaction solution designed based on a Hyperridge fabric technology. The digital asset transaction is the same as the commodity, and comprises a series of links such as shelving, metering and pricing, transaction and clearing. The patent is mainly invented for key links of metering pricing and transaction, and other links such as data privacy and the like can be realized by adopting a series of encryption technologies such as secure multi-party computing (MPC) and federal learning, and the like, and the description is not repeated.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Embodiments of the present invention also provide a computer-readable storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the steps of any of the above-mentioned method embodiments when executed.
In an exemplary embodiment, the computer-readable storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Embodiments of the present invention also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
In an exemplary embodiment, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and exemplary embodiments, and details of this embodiment are not repeated herein.
It will be apparent to those skilled in the art that the various modules or steps of the invention described above may be implemented using a general purpose computing device, they may be centralized on a single computing device or distributed across a network of computing devices, and they may be implemented using program code executable by the computing devices, such that they may be stored in a memory device and executed by the computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into various integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A method for accessing digital asset data, comprising:
after a transaction between a seller blockchain node and a buyer blockchain node is completed, sending routing information of a digital asset data access interface of the seller blockchain node to the buyer blockchain node;
the buyer block link point accesses digital asset data for the seller block link node according to the routing information.
2. The method of accessing digital asset data according to claim 1, wherein said sending routing information of the data access interface of said seller blockchain node to said buyer blockchain node comprises:
and sending the routing information of the data access interface of the seller blockchain node to the buyer blockchain node through an intelligent contract, wherein the intelligent contract carries the routing information of the digital asset data access interface of the seller blockchain node.
3. The method of accessing digital asset data according to claim 1, wherein said sending routing information of the data access interface of said seller blockchain node to said buyer blockchain node comprises:
and sending the routing information of the data access interface of the seller blockchain node to the sidecar of the buyer blockchain node.
4. The method of accessing digital asset data according to claim 3, wherein the accessing digital asset data of the seller blockchain node by the buyer blockchain link point according to the routing information comprises:
the sidecar of the buyer blockchain node establishes routing connection with a digital asset data access interface of the seller blockchain node according to the routing information;
the buyer blockchain node accesses a digital asset data access interface of the seller blockchain node through the routing connection.
5. The method of accessing digital asset data according to any of claims 1 to 4, wherein prior to the transaction of the seller blockchain node with the buyer blockchain node being concluded, the method further comprises:
receiving, by a management platform, a digital asset transaction request sent by the buyer blockchain node and receiving digital asset information sent by the seller blockchain node; and displaying the digital asset transaction request and the digital asset information;
obtaining a digital asset pricing result, wherein the digital asset pricing result is determined according to the digital asset transaction request and the digital asset information;
generating an intelligent contract according to the digital asset pricing result, wherein at least the digital asset pricing result is indicated in the intelligent contract;
deploying the smart contract to each blockchain node in a blockchain network, wherein the each blockchain node comprises the seller blockchain node and the buyer blockchain node.
6. The method of accessing digital asset data according to claim 5, wherein prior to obtaining said digital asset pricing result, said method further comprises:
determining, by the management platform, the digital asset pricing result based on at least one of:
the data volume of the digital asset, the evaluation information of the buyer block chain node, and the evaluation information of the seller block chain node.
7. The method of accessing digital asset data according to claim 5, wherein prior to obtaining said digital asset pricing result, said method further comprises:
determining the digital asset pricing result through negotiation of the buyer blockchain node and the seller blockchain node.
8. The method of accessing digital asset data according to claim 5, said method further comprising:
and allocating the selling revenue of the digital assets according to the intelligent contract.
9. An apparatus for accessing digital asset data, comprising:
the system comprises a sending module and a receiving module, wherein the sending module is used for sending routing information of a digital asset data access interface of a seller block chain node to a buyer block chain node after a transaction between the seller block chain node and the buyer block chain node is achieved, and the routing information is used for indicating the buyer block chain node to access digital asset data of the seller block chain node according to the routing information.
10. A system for trading a digital asset, comprising:
the system comprises a management platform, a buyer block chain node and a seller block chain node;
wherein after a transaction between a seller blockchain node and a buyer blockchain node is completed, routing information of a digital asset data access interface of the seller blockchain node is sent to the buyer blockchain node through the management platform;
the buyer block link point accesses digital asset data for the seller block link node according to the routing information.
11. A computer-readable storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the method of any of claims 1 to 8 when executed.
12. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 8.
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| Publication number | Priority date | Publication date | Assignee | Title |
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