How to find NFT metadata on OpenSea and Rarible?


NFTs are a game-changing expertise, offering possession for digital property and serving as certificates for holders or entry keys for the underlying content material, which may very well be music, films, artwork, actual property, and a number of different stuff. Nevertheless, what makes nonfungible tokens (NFTs) helpful in actual phrases is metadata. It might not be a buzzword precisely however it ensures the person is ready to make out what the NFT is all about.

Metadata is details about the content material that an NFT represents. As massive recordsdata can’t be saved on the blockchain for the easy cause that they turn into too costly, NFTs, more often than not, simply level to the recordsdata saved outdoors the blockchain. That mentioned, only some NFT artworks are saved on-chain.

This text explains NFT metadata, what makes placing up content material on blockchain impractical, and the best way to discover NFT metadata on Opensea and Rarible. Let’s begin with understanding what NFT metadata really is.

What’s nonfungible token (NFT) metadata?

An NFT refers to a selected digital asset that may very well be within the type of a JPEG, GIF or an MP4 file. Although the token itself is hosted on the blockchain, the file beneath is saved off-chain. NFT metadata factors out specs relating to that saved knowledge. It’d embrace info such because the NFT’s identify, description of the NFT, transactional historical past, hyperlink to the hosted picture, traits and extra.

As for some great benefits of NFT metadata, it helps resolution architects to put aside the technical points when internet hosting massive recordsdata on a series. The popular apply is to add the hyperlink of the content material to the blockchain whereas storing content material on an HTTP URL on the present Web or the InterPlanetary File System (IPFS). 

IPFS is a file-sharing peer-to-peer (P2P) community for storing and sharing knowledge in a distributed file. The metadata serves because the enter of the NFT sensible contract one must deploy on the blockchain community.

Metadata is laid out in a standardized JavaScript Object Notation (JSON) format. Contained in the sensible contract, although, the knowledge is saved as a Common Useful resource Identifier (URI) as storing as a JSON is just too demanding on assets. Nevertheless, customers can obtain NFT metadata at will.

Why is metadata for off-chain knowledge wanted?

The massive dimension of pictures, audio and video content material makes importing it to the blockchain very costly. As an example, if somebody wished to store one gigabyte of information on the Ethereum blockchain, it might value an approximate equal of $35 million. If a film of 160 odd minutes is saved on a blockchain, it may cost a little greater than the bills of constructing the movie, i.e., $237 million.

The URI string, as talked about above, signifies a location the place one can discover the token’s JSON description. The related metadata stays as a everlasting file on the blockchain, describing what the token represents.

What Opensea and Rarible add to the NFT ecosystem?

Large demand for NFTs led to the necessity for marketplaces the place customers can create, switch and monetize their property. The marketplaces present the instruments for these actions, that are so essential for maintaining the NFT motion. Topping the chart are Opensea and Rarible, two open platforms the place anybody can mint and commerce NFTs.

OpenSea is the world’s first and largest market for NFTs, enabling customers to roll out their very own NFT collections to promote on the platform. Simplifying the intricate processes required for managing and monetizing NFTs, OpenSea gives the infrastructure for minting, itemizing and buying and selling NFTs. Initially constructed to help CryptoKitties, OpenSea has grown to turn into NFT contributors’ go-to market.

Rarible can also be a peer-to-peer (P2P) gateway into the NFT market, providing easy minting and buying and selling options. Not like OpenSea, Rarible deploys its native token, RARI, to control the platform and allow holders of RARI to vote on crucial choices.

How one can view NFT metadata on OpenSea?

Any seasoned dealer will need to view NFT metadata on OpenSea to seek out out what the NFT is all about. Checking metadata on OpenSea is fairly easy. For ease of understanding, allow us to deal with discovering metadata of NFTs based mostly on Ethereum.

The method is as follows:

1. Open the NFT they need to get metadata for.

An NFT on OpenSea

2. Scroll down and click on on the “Particulars” tab and click on the hyperlink subsequent to the contract handle.

Details of the NFT

3. Within the Etherscan hyperlink that seems on the display screen, then copy the contract handle.


4. The person now sorts within the URL textual content field and pastes the copied contract handle after slash on the finish of the URL, adopted by the token ID talked about in contract particulars.

Get metadata of an NFT

The metadata in JSON format seems on the display screen. To search out metadata of NFTs hosted on different blockchains, one makes use of a related blockchain explorer to get the contract handle. As an example, if the NFT is hosted on the Solana blockchain, clicking the hyperlink subsequent to “Contact Handle” on the “Particulars” tab takes one to Solana explorer One can then use the related API to get the metadata.

How one can discover NFT metadata on Rarible?

Like OpenSea, Rarible additionally gives a solution to discover info relating to metadata. To know the method, let’s use a preferred NFT based mostly on the Ethereum blockchain referred to as EXIO, the pilot who enters the environment of a planet managed by psychedelic consciousness. 

Right here’s the method to seek out NFT metadata for EXIO on Rarible:

1. On Rarible, the person opens the respective web page of the NFT, akin to EXIO, as proven within the picture beneath.

EXIO, the pilot, looking around the planet

2. Scroll the display screen downwards. Underneath the Particulars tab, click on View on Etherscan.

Details of the NFT on Etherscan

3. From the display screen, click on on the Token ID quantity in blue.

Transaction action

4. The person will now be directed to a brand new web page. 


5. Copy the contract handle. 

Etherscan info

6. To search out metadata, plug within the following hyperlink within the given format. Handle: Token id

For the given contract handle, the hyperlink will probably be

The metadata will seem on the display screen.

The metadata

To search out metadata of the NFTs hosted on blockchains aside from Ethereum on Rarible, all one must do is exchange Ethereum with one other blockchain of their alternative. In some instances, there isn’t any token ID. Beneath are examples for every explicit blockchain represented on Rarible:

Okay Bear hosted on Solana blockchain

Metal 12 hosted on Tezos blockchain

1984 CNN Project hosted on Flow blockchain

DeRace Opie 999 hosted on Polygon blockchain

Take metadata under consideration when buying and selling on OpenSea and Rarible

Metadata helps customers to deal with the possession and tradability of NFTs, thus making the tokens relevant in a string of use instances like artwork, actual property, music, style, gaming, provide chain, luxurious items, ticket gross sales and extra. Fast entry to this necessary knowledge brings effectivity to real-world implementations of NFT expertise. Energetic utilization of metadata by the customers will promote stability within the ecosystem, including super worth to it.

An enormous chunk of merchants on platforms like OpenSea and Rarible have a tendency to take a look at metadata as technical stuff and don’t hassle to test it. Nevertheless, any skilled dealer would know the way necessary it’s to learn about each doable stuff concerning the NFTs they’ll buy. Each platforms present customers with easy methods to seek out metadata concerning the particular NFTs and make sure the tokens they purchase are definitely worth the deal.

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