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This is an intriguing concept which I have already imagined will become more of an industry standard someday.
There are some additional features that this model could use for either good or ill: e.g. including a purchaser’s serial number in the token metadata (or some branch of the IPFS content): for legitimate use to license the app, but also maybe to track the app token holder’s identity & activity and correlate it with the transactions in their wallet.
Another thing to consider is the term NFA itself which makes the correspondence with NFT’s immediately recognisable… though also an abuse of language to say Non-Fungible Apps because the operative concept is that the apps are tokenised, not whether they are fungible (because apps themselves are generally not fungible).
I find it a little weird that my Internet search for perhaps a more suitable title Tokenised Apps is only turning up the many available apps which tokenise things, rather than apps themselves which have been tokenised. So it might be a good time to start using this more accurate term at the beginning of what I think is bound to be a new market sector.
Have you & your team had any reactions to this idea developed last year, for Cardano NFTs carrying Javascript code (Smart NFT’s)?
One immediate concern that comes to my mind relates to security and privacy. You wouldn’t want your wallet automatically executing apps otherwise someone could send a malicious app (NFA) to your address and the next time you opened your wallet, it might set cookies in your browser or somehow leak information about any other accounts you have in your wallet.
I am always concerned about any apps that could get automatically run, or even trustingly get run by novice users following a simple “OK” click.
Sorry, I meant to add that I really like the concept though.