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Answers to questions related to the old version v2 and the new version v3 of pay.cool

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The article addresses common questions regarding the upgrade of the FAB public chain's pay.cool platform to version 3 (v3). It explains that the old version (v2) has been taken down, and users are encouraged to transition to v3. Users can still access their assets in v2 if they haven't uninstalled the app, and they can transfer assets from v2 to v3 by importing the same mnemonic phrase. The article also details how to trade on the new decentralized exchange, manage liquidity in Biswap, and transfer assets back to wallets using the Kanban chain. Additionally, it highlights various ecosystems and applications that are now operational on the FAB public chain, including decentralized finance (DeFi), e-commerce, NFT platforms, and more. Users are encouraged to explore tutorials available on the platform for further assistance.

FAB Public Chain Explainer Xiao K
https://mirror.xyz/0x06A08150BdA9Af17D0ff0F179aA3E272C5D899b0

Recently, many friends have inquired about how to operate after the FAB upgrade to the new version pay.cool, why their assets on exchanges are not visible in pay.cool, and other related questions. Today, we will answer everyone through a Q&A format.

In fact, the V3 version of pay.cool was officially launched a long time ago, and an announcement was made at that time.

  1. Can’t find the old version software download and website?
    Currently, the old version (i.e., version 2) software has been taken down, and the official website no longer provides downloads. The goal is to encourage everyone to transition to pay.cool+ (i.e., version 3) as soon as possible. At the same time, the v2 version has restricted users from transferring coins to exchanges.

However, many people's assets are still in v2, so the official has kept v2 open and has not completely shut it down, providing a channel for transferring from exchanges to wallets.

If you have not uninstalled the Yibi app, the old version of the Yibi app is still usable and supports transferring from exchanges to wallets.

If you have already uninstalled the old version of the software, you can access the old version (v2) using the following URLs:

Old version v2 Yibi Decentralized Exchange: https://v2.dex.cool/
Old version v2 Biswap: https://v2.biswap.com
For the v3 new version URL, simply remove the "v2." prefix, and it remains unchanged as before. After entering, import your mnemonic phrase to proceed with operations. You can refer to previous tutorials; the operation is very simple.

As long as you import the mnemonic phrase, the assets in the wallet are the same regardless of the version.

  1. How to transfer assets from the v2 exchange to the new v3 version?
    If your assets are in the old v2 version, you only need to transfer the assets from the exchange to the wallet in v2.

Then, simply import the same mnemonic phrase in the new version of pay.cool to see your assets in the pay.cool wallet.

If you want to trade, just transfer the assets to the Kanban chain in pay.cool to trade and participate in various ecosystems within pay.cool.

  1. Where is the v3 version of the Yibi Decentralized Exchange, and how to trade?
    We previously provided detailed instructions on how to trade in the Yibi exchange on pay.cool. You can click on the channel avatar to find it directly.

Additionally, you can click on the browser at the bottom of pay.cool and click on DEX.cool to enter the Yibi decentralized exchange for trading.

You can also click on Biswap or RIS to trade.

Again, please note that the mobile version only has this one v3 version of the software, and all future ecosystems and applications will only be available in pay.cool.

We recommend that everyone transition to the v3 version as soon as possible; the old version will not be updated and only retains basic operations, and the v2 old version can no longer transfer coins to exchanges, and will gradually be phased out.

As the ecosystem on pay.cool continues to grow, trading will become more frequent, and future policies will only be implemented in the v3 version of pay.cool.

  1. How to remove previously added liquidity from staking in the old version of Biswap? What about rewards?
    If you have not uninstalled your old Biswap software, you can directly enter, find your liquidity, and click the delete button in the upper right corner to revoke liquidity.

You can also log into the v2 version of the Biswap website above, link your wallet, click on liquidity, find your liquidity, and operate to revoke liquidity directly.

You can click to redeem rewards on the rewards interface.

The revoked coins and reward coins can be directly transferred to the wallet, and then transferred to Kanban in pay.cool to participate in trading.

You can also click on Biswap in the pay.cool browser to stake again in the v3 version of Biswap.

  1. How to withdraw coins from the exchange to the wallet in the v3 version of pay.cool?
    The Kanban chain we have been talking about is actually the exchange mentioned earlier, which has been separated in the new version for easier viewing and to facilitate the development of the FAB public chain's future ecosystem.

When you enter pay.cool and select the Kanban chain, you can see various assets. Click on a specific coin, and below is the option to transfer back to the wallet; click to operate and transfer back to the wallet.

  1. Why can’t I transfer back to the wallet from the Kanban chain?
    Transferring back to the wallet in the v3 new version requires the corresponding main chain coin on the Kanban chain as a transaction fee. There will be a prompt when transferring back to the wallet.

Due to the frequent issues of insufficient fees causing delays when withdrawing coins from the exchange in the v2 old version, the v3 new version requires direct payment of the corresponding main chain coin as a fee when transferring back to the exchange, resolving the issue of delays.

For example, if you want to transfer USDT from the BNB chain back to the wallet, remember to have BNB on the Kanban chain as well; about 0.01 BNB can be used many times.

As you know, transactions, transfers, and participation in the ecosystem on the Kanban chain will only consume a small amount of FAB as fuel, without consuming others, so as long as you are not transferring back to the wallet dozens or hundreds of times daily, about 0.01 BNB can last a long time.

Transferring USDT on the Tron chain requires TRX, and Ethereum chain requires ETH, etc.

  1. Where can I download the new version of pay.cool?
    You can go to the pay.cool official website, scroll down to find the QR codes for the Apple Store or Google Store, and install directly.

You can also search for pay.cool in the Apple Store or Google Store for installation.

Alternatively, you can enter the URL in your browser to download:

https://pay.cool/download/latest.apk
If you have any questions about the new version of pay.cool, just click on the channel avatar, and you can find a lot of tutorials. Watching the tutorials a few times will help, as they are relatively simple. To avoid getting lost, remember to subscribe to the channel for new ecosystem introductions and tutorials.

FAB Public Chain Large Ecosystem
The FAB public chain has multiple ecosystems that have officially started running, including various chain games, shopping malls, etc. In addition to the various ecosystems based on FAB that we previously introduced, more ecosystems developed based on the FAB public chain will be launched in the future. Our community will continue to share and explain, helping everyone build their own business landscape in the blockchain web 3.0 era.

  1. Decentralized wallet + Decentralized exchange (exchangily.com all transaction fees are 100% distributed to holders of the Yibi exchange token EXG)

  2. Decentralized digital currency payment tool—Pay.cool payment, the Alipay of the blockchain-based Web 3.0 era, the v3 version has been upgraded, welcome to the world of web 3.

  3. Decentralized e-commerce (madearn.com)

  4. NFT trading platform (collectiongala.com)

  5. Decentralized traceability system ID Dock (verification and traceability system for people, events, and objects)

  6. DeFi ecosystem applications (Biswap.com)

  7. Chain game platform (gamearm.com)

  8. Red envelope feature, now live on pay.cool

  9. Digital identity system, the Digital Citizen Program, is now live (pay.cool's Digital ID)

  10. Developer integration suite cool-connect is now live

  11. Decentralized supply chain (DSCmap, coming soon)

  12. Social content creation platform coming soon

If you find this helpful, please recommend it to your friends and follow us. Thank you for your support!

You are also welcome to follow or bookmark our channel, as we will present more knowledge and tutorials in the future.

We are only sharing the FAB public chain and do not constitute any investment advice.

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