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I followed the CIP 27 for implementing royalities:

https://cardanoupdates.com/commits/facb8aa0ad9aa41f1a047b2000674fdea2162e71

Mint no name token with the policy then burn it wit the metadata incluiding royalities info:

for example:

https://testnet.cardanoscan.io/transaction/2471b2b3092744b21ee7eb45f68e37f753f834ab911567219d9127e399f4ba9a?tab=metadata

   {
   addr: [
      "addr1q88604np2z4hkl9a78dhuxasnssrxzk5kz497yvw4wq7jjp7vt8s8tygau8",
      "fl40vg3t7gxdzkq7uxl8sqmaqqkdxca0sg9y"
   ],
       rate: "0.1"
}

then I burn the token.

My doubt is if should I add the same data that I added in the initial mint/burn as a field in the standard 721 metadata? so the marketplace can fetch this field, or if it is not needed, i am guessing it should not be needed otherwise the initial mint/burn mechanism would be not needed, right?

1 Answer 1

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No, don't add your 721 data here. The above example is all you should have, and then burn the token.

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  • Thank you, may I ask how do you know this is the right way to do it? Feb 22 at 19:59
  • 1
    Because I run Cardano minting vending machines for artists and have done it dozens of times.. :) I've also spoken with the person who initially wrote the 777 CIP proposal. You can find the details here: github.com/cardano-foundation/CIPs/pull/116/files
    – Tygar Pool
    Feb 23 at 12:29

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