> For the complete documentation index, see [llms.txt](https://niftsy-protocol-niftsy-1.gitbook.io/niftsy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://niftsy-protocol-niftsy-1.gitbook.io/niftsy/tutorials/dapps/launchpad-wino/version-1/instruction/nft-trading.md). # NFT trading We will show how to use Envelop launchpad for the NFT trading in this guide. We will use Google Chrome Browser, Metamask browser extension, Sepolia testnet for the demoing. To start to use the dapp user should connect to it by your wallet. ### The showcase creating **Step 0**. Open **Step 1.** Connect wallet
**Step 2.** Choose Metamask
**Step 3.** Choose an account in the wallet
**Step 4**. Confirm the allowance for dapp to use the account
**Step 5.** Before the using of the launchpad we should create showcase where buyers will be able to buy your NFT. Press create button
**Step 6.** Fill in all fields of the form. Be carefull with the title and life time. The first one is the unique part of the link that buyers will enter in a browser to visit your showcase (the example of the finish showcase url: ). The second one is responsible for the start and finish time of the sale.
**Step 7.** Press Save button **Step 8.** Sign the transaction in the crypto wallet.
**Step 9.** Sign the message in the crypto wallet.
We have created the own showcase ### The showcase editing **Step 0.** Only owner can change the showcase settings. Go to the step Showcase. Edit the data in all fields of the forms.
**Step 1.** Press save button **Step 2.** Sign the transaction in the wallet **Step 3.** Sign the message in the crypto wallet for the envelop oracle. ### **The default price putting** Envelop launchpad allows an owners to put default prices for all NFTs placed on their showcases. The prices can be in native or ERC20 tokens. The showcase can have several default prices. For example buyers will be able to buy NFT per different stable coins if owner puts several default prices in stable coins. **Step 0.** Set several default prices. Choose the token of price from the list and enter amount. Don't forget to press Add button for every price.
**Step 1.** To save changes in blockchain press Save button **Step 2.** Sign the transaction in the wallet **Step 3.** Check our changes. They are applied
### The time discount putting **Step 0**. Envelop launchpad allows an owners to put time discounts. Owner can put the several time period with the different values of the discounts Set the several time discounts. Enter an amount and choose the date for which the discount value is valid . Don't forget press Add button for every discount line.
**Step 1.** Press save button **Step 2.** Sign the transaction in the wallet **Step 3.** Check our changes. They are applied
### The NFTs placing on the showcase **Step 0.** The next step is the placing the NFTs on the showcase. Only the showcase owner have the permissions to do it.
**Step 1.** Select the NFTs which we want to sell on the showcase. Before it we should mint the NFTs. For this we can use Envelop mint service () or the another services.
The owner can pick the several NFTs by using the range of the token ids and the smart contract address.
**Step 2.** The owner can add NFTs on the showcase by the batches with the different settings. Make two batches.
**Step 3.** The owner puts individual prices for the second batch of NFTs . So these three NFTs will been selling at the prices other than put prices for whole showcase in third step time.
**Step 4.** Don't forget to press Save price button to complete the price settings
**Step 5.** Press save button
**Step 6.** Sign the approve transaction in the wallet the smart contract of launchpad can use the owner's NFTs **Step 7.** Sign the transactions of the placing the NFTs on the showcase in the wallet. The owner should sign two transactions because he has collected two NFT batches for the placing.
**Step 8.** After that owner's NFTs are placed on the showcase.
### The editing of the prices **Step 0.** The owner can edit the prices for any time. Edit the default prices put for whole showcase. Go to Price tab.
**Step 1.** Edit the prices. Don't forget to press Save button for every price that is changed.
**Step 2.** Press save button in the lower part of the form. **Step 3.** Sign the transactions in the wallet **Step 4.** Check the changes on the showcase. Go to the showcase for it.
**Step 5.** Pay attention! The owner can change prices for any NFT that has only default prices to individual prices. Add individual prices for such NFT. Go to NFTs tab.
**Step 6.** Don't forget to press Add and Save buttons
**Step 7.** Press save button in the lower part of the form. **Step 8.** Sign the transactions in the wallet **Step 9.** Check the changes on the showcase. **Step 10.** Now the NFT has individual prices.
### The deleting of the prices **Step 0.** Envelop launchpad has the functional of the prices deleting. Try to do it with the common for whole showcase prices (the default prices of Price tab).
**Step 1.** Delete the several prices and save the changes. **Step 2.** Press save button in the lower part of the form.
**Step 3.** Sign all transactions of the deleting in the wallet. **Step 4.** Check our changes. They are applied
Notice! This action is allowed for individual prices of NFTs tab.
The owner can delete one price after another consistently. Don't forget press Save button and sign the transaction.