Questions tagged [metadata]

Publicly visible data attached to a transaction and stored on the blockchain. This can be anything from a simple message to complex JSON objects.

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7 votes
1 answer

How to mint multiple NFT assets in the same transaction?

The developer guide doesn't cover this. Here is an example of what I'm trying to do: I ...
user4581's user avatar
4 votes
2 answers

How to retrieve the datum added with the option –tx-out-datum-embed-file from the tx witness data

I have been thinking recently about the way we are predominately creating NFTs on Cardano, right now the trend is to add the NFT attributes to the transaction metadata, however, I think this is not ...
AngelCastillo's user avatar
15 votes
2 answers

Append metadata to transaction from Plutus code

Is there a way to append metadata to transactions that are send from plutus code? Right now we send transactions from the contracts like follows (or something alike): ledgerTx <- ...
AngelCastillo's user avatar
8 votes
2 answers

NFT Image not Displaying in after using the 721 Metadata Standard

I am not seeing the image of the NFT I minted a couple of hours ago on I used the standard recommended by Alessandro Konrad and Smaug in
h1ddenproc3ss's user avatar
7 votes
2 answers

What is the size limit of transaction's metadata?

Is there a size limit on transaction metadata? If there is a limit, is it varying or fixed size?
Arthur Greef's user avatar
7 votes
2 answers

Providing metadata to `cardano-cli transaction build-raw`

What command-line options and input file content can I provide to cardano-cli transaction build-raw to specify a transaction with metadata similar to the one in this transaction? https://explorer....
Joshua Chia's user avatar
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3 votes
2 answers

If metadata can be changed, how can the uniqueness of an NFT can be guaranteed?

Let's say, there's manufacturer that produces luxury watches, and he uses Cardano NFTs to track their authenticity. He embeds unique serial number of a watch into metadata of NFT. One watch - one NFT,...
valik402's user avatar
0 votes
1 answer

How would you implement Soulbound Tokens in Cardano?

A lot is going on at the moment in the Ethereum dev community with Soulbound Tokens: What would be the best approach for implementing ...
Falcon Stakepool's user avatar