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NFT Book Spec

Based on Metadata best practice

Background

The NFT Book introduced by Liker Land is designed for publishing ebooks as NFT on LikeCoin chain. Unlike Writing NFT which can be used for content of any length, NFT Book are intended for more traditional ebook, with proper cover and editing.

ISCN metadata

key
value
description
contentMetadata
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​
contentMetadata.url
{URL for "View content"}
The main URL that prepresent the NFT Book. This URL would be used for "View content" button in LikerLand
contentMetadata.type
Book
Book is used as type
contentMetadata.sameAs
["https://url/book.epub", "https://url/book.pdf"]
Array of other URL representations of the NFT Book. If the URL ends with .epub or .pdf a special button for viewing would appear in Liker Land

NFT Class metadata

Each writing NFT class represent a creative work registered on an ISCN. To allow easier search and collection of all Writing NFTs created by a same creator, nft_meta_collection fields would be used. A dynamic API is used as uri to provide dynamic metadata according to mint purchase status.
key
value
description
name
{name of book}
Name of the book
symbol
BOOK
BOOK is used as symbol
uri
content hash or URL
If a JSON URL is provided, its content is fetched and used as metadata (merge)
metadata
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metadata.nft_meta_collection_id
nft_book
ID of the NFT Book meta collection
metadata.nft_meta_collection_name
NFT Book
Name of NFT Book meta collection
metadata.nft_meta_collection_descrption
NFT Book
Description of Writing NFT

Registering via command line

A command line tool and sample is provided for easy minting of NFTs
Please view the repository for details