With FA2 NFT tokens, is it necessary to implement the permissions_descriptor? As far as I can see in tzkt, it doesn't look like it's actually being used. Are there any contracts that are actually used?

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You can see the tzip-12 specifications for FA2 contracts. https://gitlab.com/tezos/tzip/-/blob/master/proposals/tzip-12/tzip-12.md#fa2-transfer-permission-policies-and-configuration

There is no strict standard on permission policies for FA2.

  • Thank you for your feed back! it's very helpful. I've read that. I was worried about the implications of the "the FA2 token contract MUST expose consistent" statement. I'll interpret this sentence as if it were consistent with the implementation.
    – ans st
    Feb 5, 2022 at 4:33

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