If you scroll down you’ll see that the assets can be hosted on decentralised networks too like IPFS.
Also, not all NFT projects are built the same. I suggest you check out Pak’s Poets project - it’s a very exciting piece of performance art built around game theory.
Disclaimer: I don’t own any NFTs but that doesn’t mean I’m not excited by what they’re doing.
The assets aren’t necessarily stored on OpenSea. You can see how OpenSea gets the metadata like asset url via the docs:
https://docs.opensea.io/docs/metadata-standards
If you scroll down you’ll see that the assets can be hosted on decentralised networks too like IPFS.
Also, not all NFT projects are built the same. I suggest you check out Pak’s Poets project - it’s a very exciting piece of performance art built around game theory.
Disclaimer: I don’t own any NFTs but that doesn’t mean I’m not excited by what they’re doing.