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How to use NFT Playground

Intro to NFT playground

NFT Playground is a protocol that allows you to view, mint, list, buy and transfer NFT collections. This is an application built for the community, and it will be a pilot for NFTs on Altair. Ultimately, this will enable the tokenisation on real world assets to be financed Centrifuge.

Prerequisite

Before starting, you will need to have some AIR tokens in your Polkadot wallet for the transaction fees on the Altair blockchain. NFT Playground does not charge any additonal fees.

Connecting to the app

First, go to https://app.altair.network/ and navigate the top right– click on 'Connect'.

The Polkadot JS Wallet will appear, prompting you to authorise NFT playground with access to your wallet, sign the transaction and proceed.

Creating a Collection

To mint an NFT, you will first have to create a collection for it to live in. To create a collection:

1) Navigate to the dashboard and click on 'Create Collection', a pop-up will appear and will allow you to add:

  • A collection of logo image
  • A collection name: up to 400 characters (unicode)
  • A Collection description: up to 400 characters (unicode)

2) Add a name: up to 400 characters (unicode) 3) Add a description: up to 400 characters (unicode) 4) Add a collection logo - although it is not mandatory (Altair logo will appear instead) 5) Click on “Next” 6) Read and agree to the terms of use, and click on 'Create collection'. This will prompt the Polkadot JS wallet to appear, sign the transaction to initiate collection creation.

Your collection should appear upon completion. Now you just have to add some NFTs to it – which is the minting process.

Minting an NFT

1) Navigate to your collection and select 'Mint NFT'

2) Upload an image of your choice up
3) Add a name: up to 400 characters (unicode) 4) Add a description: up to 400 characters (unicode) 5) Click on ‘Mint’ 6) Sign the transaction on Polkadot JS wallet

Once your NFT has been minted it will be displayed on screen

Listing an NFT for sale

1) Navigate to the NFT detail page of the one you would like to list and, click on ‘Sell’

2) Enter the amount of AIR you wish to sale the item
3) Click on ‘List’ 4) Sign the transaction on Polkadot JS wallet

Once the transaction is confirmed on the chain, you should see the purchase price displayed, and it can now be bought.

Removing an NFT listing

  1. Navigate to the NFT detail page of the one you would like to delist, and click on ‘Remove listing’

  2. Click on ‘Remove listing’

  3. Sign the transaction on Polkadot JS wallet

Once the transaction is confirmed on-chain, your NFT should no longer be listed for sale, and there should be no purchase price displayed.

Transferring an NFT to another wallet

1) Navigate to the NFT detail page of the one you would like to send, and click on ‘Transfer’

2) Copy and paste the recipients Altair wallet address
3) Click on ‘Transfer’ 4) Sign the transaction on Polkadot JS wallet

Once the transaction is confirmed on-chain, your NFT should have transferred to the recipient's wallet, and the owner’s wallet address displayed will reflect this.

Buying an NFT

  1. Browse and select an NFT that has a price listed in AIR

  2. Enter the NFT detail page of the one you would like to buy and click on ‘Buy NFT’ on the dashboard

  3. Click on ‘Buy’

  4. Sign the transaction on Polkadot JS wallet

Once the transaction is confirmed on-chain, the NFT should be transferred to your wallet, and the owner’s wallet address displayed should be your own.