Questions tagged [nft]

Questions about NFTs, non-fungible tokens.

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How much does it cost to issue a NFT currently on Ethereum?

What does one need to do to issue their own NFT on ethereum? What are the fees involved? Do I have to launch my own smart contract to create nft's and how much does this cost? Or do I use someone else'...
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3answers
140 views

NFT ERC 721 smart contracts

According to my understanding ERC721 smart contracts hold a list a "NFTs/owners" the same way ERC20 smart contracts hold a list of "owners/token balance". NFT are digital assets ...
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1answer
68 views

Can my friend sell an 'Eiffel Tower' with NFT

Suppose I know someone who has ownership over a landmark. Not quite the Eiffel Tower, but to ensure he remains anonymous we could say it is a similar asset. Perhaps simpler because it just sits there ...
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188 views

Get a list of all token types for ERC1155

How do I identify what token types have been created for a specific ERC1155? I noticed the balanceOf function takes an address (owner) and the token type, but what if I dont know what all token types ...
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1answer
48 views

How do I allow the current owner an NFT to append 8 bytes to the token?

How would I allow the current owner of an NFT to append a fixed number of metadata bytes to their token on chain. Is this something that can be done with ERC-1155 or ERC-721. Or is this a whole new ...
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1answer
177 views

ERC-721 price control

ERC-721 n00b here, Problem: I want to control the price of the cost of minting my token. I want the first 1-100 tokens to cost x and 101-200 tokens to cost y and so on. My understanding is that ERC-...
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1answer
31 views

Minting NFTs failed

I'm new to solidity and smart contract development. I'm using openzeppelin's ERC721 contract and trying to generate an NFT. I want to require 0.1ETH for the minting of the token. function mint_dts(...
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46 views

How to prevent NFT or Enjin Token copying?

So lets say someone mints an Enjin token pointing to a 3D model asset for a game. What prevents someone from downloading that same exact 3D model, and minting a new token that points to it? Are the ...
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138 views

How would an nft marketplace structure their smart contracts to pay out “creator shares”?

This may be a noob question, but does any know how a market like Nifty or any similar nft marketplace actually implement paying a "creator share" or royalty back to the original creator ...
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52 views

Marketplace that only accepts first-party NFTs to be sold

There are two contracts: ERC721 NFT contract (enables minting, etc) Marketplace contract (has a sell function and buy function) When somebody calls the function to put a NFT for sale in the ...
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How Ethereum NFT Protect Artist Work ( How NFT IMMUTABILITY works on BLOCKCHAIN)?

Hi Guys let discuss how NFT Immutable works on ethereum blockchain I'm new to nft, just created my first one with opensea:) as in image1. My question https://imgur.com/a/KX6TRgi Is my art piece on ...
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14 views

Who knows what a token collection interface is?

I'm new to blockchain development. I'm reading a tutorial on developing an NFT platform and it talks about a token collection interface. Can anyone explain to me what this is. Let's say you have a ...
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2answers
867 views

Why are gas fees taken for failed smart contract interactions?

When claiming an NFT (smart contract interaction), the gas fees would have been $50-$80, so I went to Advanced options in MetaMask, and turned down my willingness to pay for gas to around 25,000 units ...
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36 views

What happens to royalty payments if NFT artist loses wallet?

when NFTs are minted, the creator/artist is registered in the smart contract as a recipient of all future royalty payments from secondary sales of their NFT. People lose wallets all the time: ...
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21 views

Messaging application using NFT tech?

2 part question. What are some blockchain-based messaging apps? What are their benefits? Could an NFT based messaging app be built? If so what unique properties would it have?
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153 views

Possession vs Title vs Ownership in NFTs

Is there a way to separate possession from title in an NFT smart contract? I'm not sure these are the best terms, but here are some examples: Renting out NFTs, say for use in a game. The rental is ...
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1answer
83 views

Is it possible to unmint an NFT? as in, is the reversal of the tokenisation process feasible?

Recently an artist friend of mine got scammed on Rarible. The Scammers put up his original artwork for a reserve price after minting 22 copies of which 2 were sold. My friend came to know of this ...
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31 views

What gives Dapper Labs the right to “own” and sell the NBA top shots? [closed]

AFAIK, NFT ownership does not include any legal right. But in order to sell the ownership in the first place, you do have to "own" it, and that can be done only by a legal agreement, can't ...
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2answers
88 views

Sell my own NFT?

On what platform can I sell my own NFT? I've seen NFT's kick-off recently. I have seen certain more exclusive platforms launch where large sales are being made, but have not seen one where anyone can ...
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1answer
407 views

Can NFTs be stolen from a web wallet? Is there cold storage for NFTs?

Many NFT collectors move their claimed NFTs (NFTs that they won) from their web wallet (e.g. Metamask) to a different wallet that they call a vault wallet. What is this vault wallet? Is it a hardware ...
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1answer
79 views

Zora doesn't allow NFT 1 of 1 editions? [closed]

Zora is decentralized marketplace for NFTs that doesn't take any fees from sales of NFTs, built on the Ethereum blockchain. Zora's help docs says Instead of creating artificial scarcity by selling ...
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1answer
168 views

Which Ethereum user bought Beeple's “Crossroad” NFT video for $6.6 million?

we know the story of who bought Beeple's "Crossroad" NFT video for $67,000 and re-sold it on the secondary market for $6.6M worth of ETH, but who exactly was the person, or Ethereum username,...
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1answer
117 views

How to tell if an NFT jpg is stored on a legitimate IPFS domain?

usually URLs of NFTs point to well-known IPFS servers like ipfs.io and some gateway that bridges from the web to IPFS, but what about cases where an NFT is pointed towards something like https://f8n-...
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1answer
188 views

Why do crypto art NFT platforms set their minting token's max supply so low?

The screenshot shows details about the crypto art platform SuperRare's non-native token "SUPR" for minting NFTs to. I guess this is the token that creators mint their art to. But it says ...
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1answer
185 views

Do NFT bids, and refunds from being outbid, have the same transaction/gas fees?

If I bid on crypto art to the tun of $50 in transaction/gas fees, can I expect the same amount of fees to incur if I am outbid on that item, and the NFT platform refunds me my bid? $50 fee there, and $...
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40 views

Pricing in ERC721 tokens [closed]

Can the price of an ERC721 token be handled in the contract itself? Maybe along a fixed curve or something. Can you point me to a simple implementation example of an ERC721 marketplace? Thank you
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1answer
510 views

How to extract the URL of a crypto art as it appears within the NFT? and technical details like ERC-token type?

The following piece of crypto art has a title, description, and additional details regarding file and image size, provided by the NFT platform (Makersplace) where the artist (Lumi) minted the NFT for ...
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1answer
175 views

If crypto art is stored off-chain, how does the collector have any control over their NFT's contents if the server where it is saved shuts down?

CryptoKitties essentially sells crypto art NFTs to collectors on the Ethereum blockchain. However, the pictures of the cryptokitties are stored on the company's server, since the NFT merely represents ...
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1answer
85 views

Is ownership of tokenized real assets through NFT upheld by law?

Let's say you've tokenized your house as a non-fungible token (NFT) on the Ethereum blockchain. if an NFT simply represents ownership of a tokenized asset, what actors or agencies currently will ...
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2answers
153 views

What tokenized assets can be stored on-chain?

Examples of digital assets that can be tokenized as NFTs are: crypto art (.jpg or .png file stored off-chain) game weapons or characters Examples of physical assets that can be tokenized as NFTs are:...
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60 views

How can an NFT pay royalties to more than one creator?

Many NFT marketplaces have an option to declare royalty percentage to be paid to the NFT creator for each secondary sale of the NFT. Unfortunately, only one person (wallet address) can be assigned ...
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2answers
2k views

Can we mint 5 gigabyte video NFTs?

What is the maximum size of NFTs on the Ethereum blockchain (ERC-721 or ERC-1155 tokens)? crypto art NFTs on the Ethereum blockchain already contain JPG/PNG files that are about 5 MB large, and ...
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109 views

NFT Token Ownership Transfer Initiation

I am developing a dapp/smart contract, where users will be able to sell/buy NFTs from each other (market). Users grant authority to the smart contract to sell any of their items on their behalf using ...
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585 views

How to convert ERC crypto art NFTs into a Cardano NFT?

This is being asked two days before native tokens and multi-asset support hits the Cardano blockchain, but, given that Cardano has created an ERC-20 token converter that converts ERC-20 tokens to ...
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77 views

Collecting crypto art from multiple NFT platforms in the same wallet

Is it bad practice to collect several pieces of crypto art (NFTs) from multiple platforms (Rarible, Makersplace, Opensea, Gemini Nifty Gateway, Async art, etc) all into the same Ethereum wallet? And ...
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1answer
247 views

Non-native tokens versus Native tokens

to me ERC-20 tokens are a sub-class of Ether, yet they are referred to as "non-native tokens". Why would they be called non-native? What would be native in the Ethereum sense then? Cardano-...
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1answer
219 views

Is there any way of creating ERC-1155 or ERC-721 tokens always earn transaction fees?

I have a rather interesting but challenging question. I want to create ERC-1155 and ERC-721 tokens that will be primarily traded using a Decentralized Exchange (DEX) implemented for a newly created ...
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112 views

How to make a snapshot of ERC-721 (NFT) token holders

What is the best way to create a snapshot of ERC-721 token holders? Maybe there is a tool for this purpose? I need to take a snapshot of holders of tokens for this NFT contract - https://etherscan.io/...
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2answers
113 views

Random distribution of large amount of NFT

I'm an beginner in solidity, and with a teamate we have a project for an NFT contract. I have a contract with 5000 NFT limite (cards, and 20 specific card form a familily, each family and cards are ...
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20 views

Ethereum NFT options

I am looking at producing a set of NFT's that are a set of 100, the item does not have an image, but is a token to run through an algorithm, I want them to be limited whole NFT's, not ERC-20s. I am ...
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1answer
60 views

How to enforce that 1 copy of an NFT has a unique meta data that no other copies of that NFT can also have?

If I wanted to create an NFT that contains the Username of a person to prove their address ownership, what is the best practices or suggested ways to enforce that no 2 copies of that NFT can have the ...
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0answers
112 views

Safe implementation on Solidity 0.8.0 of a withdrawal and a refund

I'm here for asking of a SECURE way to implement on solidity 0.8.0 two functions: 1-Withdrawal() which sends all the ether of the smart contract to the owner address. My current implementation is: //...
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1answer
35 views

Unique Constraint NFT, only 1 allowed per Address?

Is it possible to program an NFT to only allow 1 copy of it per address? For example if Address #1 and #2 both already have 1 copy of this NFT, if Address #1 tries to send theirs to Address #2, it ...
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1answer
2k views

See an NFT Token picture in metamask

I have followed step by step this tutorial: https://medium.com/pinata/how-to-build-erc-721-nfts-with-ipfs-e76a21d8f914 Everything works like a charm. I am working on ropsten Network. I have create ...
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1answer
369 views

Pattern for generating dynamic ERC-1155 or ERC-721 metadata

I am quite new to smart contract development so apologies in advance if this seems like a silly question. I'm looking for some guidance on a usable pattern for the following use case. I need to ...
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1answer
328 views

Can't see my NFT in Coinbase Wallet on Ropsten

I have created the following ERC721 contract: pragma solidity ^0.6.0; import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721PausableUpgradeable.sol"; import "@openzeppelin/...
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1answer
25 views

Status: Fail, Out of Gas

Can someone please explain this to me? I tried to mint a NFT. I changed the gas price to low and gas price limit to 32000. It showed me 8 dollars something I minted the NFT. But it shows nothing in my ...
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1answer
40 views

Restrict ERC20 transfer and reception to owners of a particular NFT

I need to create an ERC20 token which transfer and reception is restricted by a membership, indicated by an NFT (ERC721) in the sender's and receiver's address/wallet. How can I check in the ERC20 ...
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0answers
49 views

Are ERC-1155 tokens always atomic?

I am creating an ERC-1155 smart contract whereby I create a number of different tokens and also want to be able to create new tokens on the fly. The code is something like: import "@openzeppelin/...
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42 views

Are there non-fungible tokens that can generate a pay-per-view revenue for the owner?

A non-fungible token (NFT) by definition represents (ownership of) a unique asset, which we will assume is a digital multimedia file in .avi format. The video's length in minutes, file size, content ...