The annual PAI day on March 14, 2021 took place as usual. To thank PAI enthusiasts for their continued support, the project’s core PAI developers launched a community AMA campaign and returned millions of Airdrop rewards to PAI contributors and community members. Below are the selected AMA questions.

Q: Why do I feel like the Project PAI team has been silent for a while? What did the PAI project do in the past year? What is Project PAI’s current work schedule? Are there any plans to support DeFi and NFT?

A: In October 2020, PAI switched from a traditional PoW-style blockchain to a new PoW / PoS hybrid consensus model. The PAI Core Contributors’ primary focus right now is to ensure that the PAI blockchain is stable and reliable so that the PAI Hybrid Consensus can thrive as a fully decentralized network. In addition to the technical contributions, this includes attracting more network participants to further decentralize the blockchain and supporting the Catena NFT project, which will soon support PAI coins and enable the project PAI ecosystem.

The team follows the trends in the Defi world and will participate in the innovation of the Defi world through collaboration with other projects. In addition, we are exploring possible technical solutions to enable cross-chain functionality for PAI coins (such as Ethereum, Heco, BSC, etc.) that will allow PAI coins to be used in some Defi applications in the future.

Q: When will Project PAI’s NFT platform go live? What are the advantages compared to other NFT trading platforms on the market (like OpenSea, Rariable etc)?

A: The Catena NFT platform, which is based on the PAI blockchain, is currently available on and is currently in the public prototype testing phase, allowing users to upload their own arts to the platform. The main executives at PAI warmly welcome you to participate in the prototype test of the product and provide suggestions or feedback. After completing the prototype test, we will continue to optimize the product and improve the user experience design based on the feedback. The first official version is expected to be released in the second quarter of 2021.

Cartena NFT is a fully decentralized art trading platform based on the PAI blockchain. The main features of Cartena NFT are:

1. Fully decentralized NFT trading market that connects on-chain and off-chain: Not only do you trade NFT on the Cartena NFT platform, but you also get its NFT on the PAI blockchain while trading real arts which both in the chain and outside the chain are -chain.

2. Support multiple payment channels: Catena’s NFT platform supports PAI coins, popular cryptocurrencies (BTC, ETH, etc.) and credit card payments.

3. The integrated encrypted communication system enables the buyer and seller to communicate during NFT transactions to ensure the progress of each transaction.

4. The identity authentication system based on PAI PASS ensures the authenticity of both market participants. Users can track every step of every transaction on the PAI blockchain.

Welcome to participate in the prototype test of the Cartena NFT platform and to receive feedback in the PAI forum.

Test URL:

Q: What is PAIs PoUW? When is the start planned?

A: Project PAIs Proof of Useful Work (PoUW, Proof of Useful Work) is a research project that enables miners to perform machine learning calculations while reviewing PAI currency transactions. The purpose of PoUW is to use AI computations to replace traditional PoW hashing operations so that the computing power on the blockchain can be used for actual AI applications, making that computing power “useful”. In the future, this computing power can be used not only for machine learning, but also for general on-chain computing applications such as on-chain data analysis and cryptographic on-chain privacy computing (e.g. knowledge-free verification, secure multi-party computation, etc.

PoUW is a passionate research-driven project that has been completed by several key contributors to the PAI project. The PoUW test network was originally supposed to be introduced in the second half of 2021. Due to the timeliness and uncertainty of the technical research and other product plans of the PAI project, we will do our best to ensure the start of the PoUW test network.

For the latest advances, here are some things to check:

Project page:

Github Repo:

Q: The current uses and use cases for PAI seem unclear to me. How does PAI’s economy compare to other chains that focus on use cases like finance?

A: Referring to the original vision (Tech White Paper), the PAI blockchain essentially consists of three modules: authentication layer, blockchain layer and data layer:

1. The authentication layer controls the relationships that exist in the PAI ecosystem.

2. The blockchain layer contains a record of network transactions as well as logs for peer-to-peer engagement.

3. The data layer indexes encrypted data peer-to-peer with hash references.

In theory, any application or use case that requires one or a combination of authentication services, transaction services, or data storage and sharing services (which, as you can imagine, is quite a bit) can leverage PAI blockchain technology. Currently, the most concrete example of a PAI use case is the NFT art platform Catena, which can be accessed at

We will be posting more questions one at a time in the weekly PAI newsletter. Welcome to the wechat public account of Project PAI and PAI fans and to keep track of the project’s latest progress. Thank you for your continued support!

The following PAI project:

Official website of the project PAI:

PAI forum: https: //

PAI project wechat public account: PAI project

PAI fans wechat public account: PAIFans

Cartena NFT:

PAI Coin Pool:

PAIUp wallet:

Join our global community:

Telegram (English):

Telegram (Chinese):

Telegram (Korean):

Telegram (Japanese):






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