EIP1046 Metadata extension
Intro
Proposal to add metadata attributes to ERC721 Extend ERC20 token interface to support the same metadata standard as ERC721 tokens
This EIP was proposal to define metadata of ERC721 but it did was not implemented. The latest updates on this EIP are in https://github.com/ethereum/EIPs/pull/1047
Metadata of the ERC721 standard includes:
name
description
image
Proposal to add:
external_uri- to allow 3rd party marketplaces and wallets to be able to deep link back tothe original marketplace or service where the ERC721 token was purchased or originally viewable
attributes - as simple as an effective way to add additional info about ERC721 token which will allow marketplaces and wallets to build filters, searchable attributes easily Source: https://medium.com/blockchain-manchester/evolving-erc-721-metadata-standards-44646c2eb332
Further reading
Updating ERC-721 JSON schema spec to include two new optional fields - implementation: https://github.com/ethereum/EIPs/pull/1028
Closed due to new PR which got closed as it did not get any reviews: https://github.com/ethereum/EIPs/pull/1071
This was merged into: https://github.com/ethereum/EIPs/pull/1047
Full Implementation: https://eips.ethereum.org/EIPS/eip-1046
Unifying metadata to be hosted on IPFS, short write up: https://medium.com/@tommyrva/this-is-part-of-what-we-did-with-erc-1047-unified-the-token-metadata-standard-into-one-separate-c4afc6fd2c91
Discussion to this EIP: https://www.reddit.com/r/a:t5_72igm/comments/8hfk2a/token_metadata_json_schema_eip_1047/
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