Components and Interfaces
Different components and modules of DDXF
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Different components and modules of DDXF
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The DDXF framework can facilitate performing the following:
Integrating multi-system off-chain resources
Tokenize data authority and privileges and perform cross-chain resource and token transactions
Implementing and realizing resource and data exchange in the form of token passing and changes in data characteristics
Data processing and transaction authentication rights are supported for offline resources and any off-chain arbitration, ensuring shared incentives.
There are three different function modules that the framework offers. Let us take a closer look at each one.
The self-sovereign data management is to decouple data ownership and data accessibility (or other data processing) privileges, thereby allowing for data management on a different level from the data owner(s).
DDXF provides a platform that allows for self-sovereign data administration using a combination of services such as:
Data storage provides the ability to store data with security features and data privacy at a relatively lower cost.
ONT ID helps identifying different parties such the data itself, the data owner, and the data handler.
DToken allows for data privilege management, ensuring that the data processing and storage is carried out on the Ontology blockchain infrastructure.
Ontology blockchain provides features such as traceability and trust endorsement.
The DToken model defines the following features:
Resource modeling and mapping - Provides static modeling and mapping functions where the off-chain resources from Internet or IoT systems can be stored online in a form of a data model and the online data will be mapped onto with on-chain identifiers.
DToken generation - provides a static identifier mapping capability, where data privileges can be tokenized in the form of DTokens. The usage of DTokens will be controlled from and logged on-chain.
The DToken model also provides interfaces to define entities, resources and operations in DDXF.
Decentralized data processing and administration module provides a run time mechanism to control the business actions of resource exchange, data transfer, and data processing.
The two main features of this module are:
Resource Exchange: Provides the mechanism for token based resource transfer and exchange.
Token Usability: Provides the mechanism to manage token usage, especially DToken usage to access data.
Decentralized data processing and administration module also provides interfaces to process and manage data in DDXF.
The DDXF marketplace provides the ability to carry out cross system resource exchange.
As a result of different business models, data can be owned by smart devices, end users, or systems. Data processing changes the form the data. DDXF enables data processing, transfer, and exchange with control over ownership and accessibility of data instances. The off-chain resources and the transactions carried out by the end users serves to provide trust endorsement for DDXF.
The two main features of this module are:
Resource audit: Provides a mechanism to ensure the ownership and accessibility of off-chain resources, including the resource quality and transaction behavior.
Reputation score: Based on the usage, transactions can provide trust endorsement for DDXF
Trust audit module also provides interfaces to implement the trust endorsement function for transactions, data credentials, and the end users in DDXF.
