Emotable RMRK extension that allows users to express their impression of the NFT using Unicode emojis.
We designed and deployed a public good emotable repository, that can be accessed and used by anyone. The emote repository is accessible at the same address on all of the networks it is deployed to:
0x3110735F0b8e71455bAe1356a33e428843bCb9A1 (opens in a new tab).
We published an Ethereum Improvement Proposal detailing the specification of the On-Chain Attributes extension. If you are interested, you can access it here (opens in a new tab).