Technology

How to design a blockchain application?

Preliminary Information

Understanding the dApp architecture is a must to comprehend the best blockchain for one’s business needs. A dApp design process involves steps like API management, architectural capabilities, system integration, connectivity, security performance, etc.

There are various types of decentralized applications. Protocols like Ethereum, XDC, Cardano, Solana, etc., serve as the base for decentralized application development. They provide the ecosystem to build the applications and products on top of it. These ecosystems, SDKs, tools and utilities help developers build products on top of the protocols. Following are the different types that are designed and developed on the blockchain ecosystems:

Swap 

Swap is an on-chain app that permits the communication and exchange of one token in exchange for the other within the same network.

Bridges

They are the on-chain apps that help bridge the gap for communication between different blockchain protocols.

DEX

DEX or the Decentralized Exchanges are the various online platforms that facilitate the cryptocurrency exchange, allowing direct peer-to-peer crypto transactions without any intermediary.

Analytics platforms

These platforms are the performance dashboards built on-chain that reflect the data from these chains, fundamentally the network data. For instance, it displays the network speed, active nodes, number of blocks built, speed of file retrieval, etc.

Browser extensions

Some analytical platforms are not on-chain; they function off-chain like the Chrome extensions. The browser extensions communicate with the network primarily via the Web3 protocol, which allows the users to write and read with the help of the extensions.

Explorer

Explorer helps the users to explore the entire ecosystem of the blockchain network. Using the explorer, people can see what activities are taking place on the network and the processed transactions. Therefore, explorer functions as a window or interface for the users to view the network stats.

Metaverse

Metaverse is fundamentally a virtual space with 3D digital assets, which the users are entitled to use for a better digital experience. Along with the digital assets, Metaverse also has a gaming engine to serve as the foundation for a virtual gaming environment. In a blockchain-based decentralized Metaverse, Blockchain stores all the Metaverse data of the digital assets and the transactions.

Let us now understand the steps to design a blockchain application in the following section.

How to design a blockchain application?

Follow the below-mentioned steps to design a robust blockchain application:

Step1 

Understand the problem and identify the goal

It is important to understand and define the problem statement. In this step, you should know about the features and aspects of the dApp you wish to design, to solve the problems and fulfill the need of your business organization.

Precisely curate a blockchain use-case for the decentralized application and ensure that your idea relates to your actual business requirements.

Step2

Identify a suitable blockchain for designing dApp

Choose an appropriate blockchain platform to design and develop the decentralized application. Analyze the various features that the different blockchain platforms offer, like scalability, interoperability, consensus mechanisms, and smart contract functionalities.

Step3

Once you identify the problem and the suitable blockchain platform, begin with brainstorming the ideas and the business requirements. This step evaluates, formulates, and prioritizes use cases for the blockchain dApp development. Chart out the components that should be on-chain and off-chain business entities separately. Make a roadmap of the dApp design. That is when you will release alpha, beta and ready-to-launch versions of the decentralized application.

Step4

Develop a Proof-of-Concept

Developing a PoC is important to showcase the potential of the decentralized application. This PoC can be either in theoretical form or in a prototype form.

Get the PoC approved by the stakeholders, and then start preparing the visual and technical designs for the decentralized application.

Begin with creating the user interfaces for every component of the software. Design the APIs needed for integrating the user interface to run the dApp at the back-end.

Complete the theoretical build-up and take the feedback from every stakeholder engaged in dApp development on the network. Document the entire technical GDPR compliance requirement to comprehend the components to which it should be applied.

Then continue by developing the APIs for distinctive use cases of the blockchain application.

Below mentioned are the important reasons why an API is crucial in the dApp development:

  • Audit processing
  • Data storage and retrieval
  • Key generation, mapping the keys to specific addresses
  • Data authentication using hashes and digital signatures
  • Smart contract triggering and management

Step5

Pre-alpha and alpha stage

In this stage, the dApp developed does not go for formal testing. The formal testing is done in the alpha stage, where the developers test the dApp via white-box techniques and the dApp might not have all the features that it should have later for the business purpose.

Stage6

Beta stage

After the alpha stage is done, the application is moved forward to the beta stage, which includes testing the application with the complete set of features and some unknown bugs.

Step7

Candidate version

In this, the dApp is ready to be released as the Candidate version after the beta stage. It is also known as an advanced beta stage which is then processed for the final release.

Step8

dApp deployment

Lastly, deploy the tested dApp on the network. Deployment is the process of getting an application on the application server. But before the dApp is deployed on the mainnet, it should be deployed on the testnet of the blockchain to monitor and test the dApp’s features and functions.

From comprehending the goal to gathering the tools and knowledge, selecting the appropriate blockchain platform, creating the designs for the software and developing and deploying the decentralized application, this article will help you understand the detailed blockchain dApp development process.

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