I am trying to create an NFT using web3.js and spl-token.js. However, i need to add meta data (like the name of the token or other attributes), otherwise it just shows up as "Unknown Token&quo...

I'm minting Solana NFTs. Candy machine v2 was recently released and v1 is deprecated. If I create a v2 candy machine and mint some NFTs, how can I later find the hashes from all the tokens that wer...

Trying to work with node/javascript/nfts, I am a noob and followed along a tutorial, but I get this error: error [ERR_REQUIRE_ESM]: require() of ES Module [...] is not supported. Instead change the...

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 hardh...

I tried to change token base URL to display the new images of NFTs on opensea.io. But it is not updated immediately. There is a way to update by specifying force_update=true on Rikeby testnet. But ...

I can't understand what the problem is. When I am run the app I am getting this error: Unhandled Runtime Error Error: invalid address or ENS name (argument="name", value=5.050201689117535...

I'm working on a Blockchain project where I use Truffle. when I run the Truffle Console command I face this issue. Complete Log: This version of µWS is not compatible with your Node.js build: Error...

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, ...

I'm having a hard time understanding why and when SetApprovalForAll is called on NFT generating contracts. Take Cool Cats, for example. And for convenience there's a screen shot of relevant transac...

Hello to fetch all the NFTs in a collection using the symbol of the collection. Is any API available that provides the data?

I'm writing an NFT smart contract using the OpenZeppelin ERC721Full contract. I'm able to mint NFTs, but I want to have a button that enables them to be bought. I'm trying writing this function: fu...

I want to list two collections on Opensea but instead of creating two smart contracts for that, I want to create only one (to save gas fees of uploading a contract). the only two ways I found to cr...

I came across this answer while researching creating a function for someone to buy an NFT: https://mcmap.net/q/1254039/-how-to-transfer-a-nft-from-one-account-to-another-using-erc721 The relevant l...

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 docu...

Hope you're doing well. I am a developer and have a query regarding my 3d model preview on opensea testnet. I have created a metadata file https://pattirose.growwithsabrina.org/nft/1.json using pin...

I am trying to use OpenSea API and I noticed that I need to set a limit before retrieving assets https://docs.opensea.io/reference/getting-assets I figured I can use the offset to navigate through ...

I need to verify on my own domain/server the user which has connected his MetaMask wallet is the owner of a specific NFT in order to allow him special functions? Basically, I want to give the user ...

I have a nftToken Contract that mints token to msg.sender, then I have a function in a market contract that transfers the nft from owner to market contract. However, I am getting an error that says...