Sadly yes. This very inactive group is the official one.
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guest612732210 commented on Isn't it just the stake address of the wallet?
It doesn't seem like Sundae uses that.
guest612732210 commented on As far as I understand ERC-721 (the Ethereum standard for NFTs), they also have a unique combination of contract and asset ID. But that only helps partially as our policy IDs. If the content is stolen in the first place, marketplaces cannot identify that by comparing policy or contract IDs. What do ... Read more
As I understand is that the policy IDs are only to ID NFT projects. You can't use the same policy ID as CardanoKidz and pretend to be them. It's to prevent counterfeit NFTs. Not to enforce copyrights.