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Questions tagged [nft]

Non-fungible token - snippet of data (on a blockchain), used to certify properties of digital assets, e.g. creator or owner of an image.

A non-fungible token is a unit of data stored on a digital ledger, called a blockchain, that certifies a digital asset to be unique and therefore not interchangeable. NFTs can be used to represent items such as photos, videos, audio and other types of digital files. (from Wikipedia)

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How opensea auction smart contract work without storing the ether

Trying to understand how opensea "Make the bid" work. Whenever any interested buyer wants to buy an NFT, they have to create an offer,in which they basically sign a message(commitment)(which is not costing gas fees). I didn't understand how this…
Dummy Mail
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ProviderError: transaction underpriced on Mumbai Testnet

I am building an NFT Market on the Polygon network. I am able to deploy my code on localhost and everything works fine. But when I try to it deploy to the mumbai testnet using the command npx hardhat run scripts/deploy.js --network mumbai I run into…
Martin Fernandes
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How to send already minted NFT using alchemy

I have minted some NFTs on opensea. These are on Polygon Mumbai network. Now I want to transfer these to token to other addresses using alchemy web3. Here is the code I am using. Note: This is supposed to run in nodejs restful API, so there is no…
Shafqat Jamil Khan
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getting error when i deploy the NFT with ETH

I am new in NFT, i am trying to create test NFT, when i am trying to deploy that NFT, i am getting this error,insufficient funds for intrinsic transaction cost, even though in my account have 1 ETH balance here i have attached my whole code of it,…
Nikul Panchal
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Hardhat compile error with API_URL and Private Key import

Tying to follow a basic NFT tutorial, and I have to say, that I am kind of a noob in Programming. The problem that I am facing is that my hardhat.config.js file needs an API_KEY and a Private Key, which it should import from the process.env…
Simon Cosmos
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File is not showing up in NFT storage on IPFS

I uploaded file to NFT Storage I can see file list in https://nft.storage/files/ but if I clicked CID links, I get error ipfs cat /ipfs/bafyreiayui2us6fpowl42vqwmjrntpewhqpfkbgcak6pt4gkpz55z2o3se/: unknown node type My code is as below const {…
Petrukovich
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Why does the minting function of ERC721 have an access control?

Most of the ERC721 examples using Open Zeppelin I see require the mint function to have an access control where only the owner of the contract is allowed to call the function. For example, function mint(address to) public virtual { …
Kevvv
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I encounter a CORS error when using the Tatum IPFS API

I have an NFT platform where I am using tatum to upload NFT image and metadata to IPFS. However, I get a CORS error. I am using the following API: const form = new FormData(); form.append("file", "[object Object]"); const resp = await fetch( …
frawd
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Change Hedera NFT metadata after minting

Is there a way to change a Hedera NFT metadata after it has been minted? My goal is to implement similar NFT minting flow as is usually used in other NFT projects, which is to first have the prereveal metadata and on the day of reveal change it to…
Nal Luksic
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How to get image data into nft data

Assume I have a .jpg or .png file, I want to integrate this image data into a NonFungibleData in Scrypto, how can I do it? Should I use Decimal? HashMap?
PeterKim
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set token URI function

I understood that setTokenURI function isn't in use anymore. How can I change the token URI of the NFT token I want to create? for now my function createCollectible inside the smart contract looks like this: function createCollectible(string memory…
OmerS
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How to check if NFT is in a specific wallet

I need to check if a specific NFT is in a specific wallet, there is an API or a way to do it programmatically? Thanks a lot.
Edoardo Cortese
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How to transfer NFTs from Solana Wallet programmatically

Hey Solana enthusiasts, I am working on Solana powered NFT project, I am using the lazy minting method but I am stuck. I want to send freshly minted NFT to a wallet address. Solana is not well documented like ethereum.
stwpd
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How to check if transaction is NFT using Web3j?

I'm using Web3j library to work with the blockchain. I want to resolve what tokens are transferred during specific transactions. What I have already tried: Call Function with the name supportsInterface to check whether it supports NFT standards…
wollenS
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how can we use phantom wallet to mint NFT in solana without using minter account

I have been trying to mint NFT in solana. Have done it in different ways Mostly every way I tried uses random generated keyPair to first mint tokens and then transfer to our wallet Is there any way I can mint using my phantom wallet In the following…
Tabish Shafi
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