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In this article, the editor introduces in detail "what is the three-tier structure of Po.et", the content is detailed, the steps are clear, and the details are handled properly. I hope this article "what is the three-tier architecture of Po.et" can help you solve your doubts.

Three-tier architecture of Po.et

Application layer

The application layer covers a series of tools that users need to register content and manage ownership information through Po.et. This usually includes all user-oriented applications, such as CMS integration, content wallets, and many Po.et-based interfaces.

One of the main tools is the WordPress plug-in for Po.et. The plug-in will allow any user to timestamp content in WordPress; WordPress itself is the world's most popular content management system (CMS), which accounts for 30 per cent of global websites. In this way, any user using WordPress can register content in the Po.et network through a plug-in.

Po.et also provides a block browser, which is similar to blockchain.info, where anyone can easily search for content registered on the Po.et platform and search for each corresponding metadata to determine how to redistribute it.

Intermediate software layer

At the same time, Po.et provides developers with some available resources that developers can use to integrate tools and services into the Po.et platform. These tools will serve as a developer bridge between user-oriented applications and the Po.et protocol.

The most widely used of these resources will be Frost. Frost is an open, RESTful API that allows applications to interact with Po.et networks without the need for a private key infrastructure. We developed Frost so that content publishers can easily link to the Po.et network and trace timestamp data using usernames and passwords. With the core component of Frost, Po.et is not only secure and reliable, but also easy to use.

In addition to Frost API, we also provide developers with a code base and a way for developers to create and sign Po.et statements (claim) in their programs. We are currently planning to develop JavaScript and PHP libraries for Po.et.

Protocol layer

The protocol layer is made up of the technology used by Po.et to connect block chains, which is the core of registration and service data declaration (data claim).

The protocol layer includes the Po.et node (Po.et Nodes), which is the program responsible for recording timestamp data on the block chain. Timestamp data will be stored through IPFS. For a further explanation of the functions of the protocol layer, please read the Po.et Development Weekly report-New departure Po.et Node 2.0.

Po.et currently uses bitcoin blockchain to timestamp content, but if necessary, we will support more chains based on future developments. The reason we currently choose Bitcoin blockchain is that it is mainly based on workload proof, which also makes it very expensive to rewrite or modify data.

How programmers develop on Po.et platform

The Po.et team is developing applications that make it easy for anyone to register and manage content on the network. At the same time, Po.et emphasized scalability at the beginning of its design, and we hope that the community can take full advantage of the Po.et protocol to create other applications.

For example, developers can use the libraries in the middle software layer of Po.et to create a digital content wallet for content creators to make it easy for content creators to view and manage their works. This will be a good application of application layer technology. Similarly, programmers can also use the intermediate software layer to develop an iOS SDK for Po.etk, and then build the corresponding iOS application through SDK.

Po.et application case

When applied, the above tools and application layers will be reflected in the following industries, including:

Digital media publishing. In this day and age, it is easy to copy and paste someone else's digital creation to another computer, but it is very difficult to protect the rights of the content owner and to ensure the true ownership of the work. Po.et, on the other hand, provides a solution to protect ownership and ownership, and by recording this data into a blockchain, anyone can query it anywhere. When you use the WordPress plug-in to register content on the Po.et network, anyone who wants to reprint the content can easily determine its license, ownership and associated reprint payment requirements (if applicable). In addition, developers can use Frost or JavaScript and PHP plug-ins to integrate Po.et into a custom content management system. Po.et 's model supports the traditional digital publishing workflow as well as the decentralized content market model.

Journalism. The Internet is full of all kinds of news reports. It is not easy for a good journalist to get out of the mud and get the right reward. Po.et solves these problems. By using the WordPress plug-in or using Frost's custom application, journalists can easily register and launch their works, create customized redistribution licenses, and build innovative payment structures to truly implement their work ownership.

Font license. The font format in the content is also an important part of our daily consumption of digital content. However, the use of many fonts violates the corresponding license terms. In addition, the current way fonts are used forces designers to sign licensing treaties with centralized agencies responsible for storing and distributing fonts. Now, designers can use Po.et nodes to store fonts directly on the block chain in a distributed manner. Po.et will also support custom font licenses.

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