Where is your NFT art stored? IPFS and freezing metadata on OpenSea
Blockchains were never designed to store media data or any big files. Blockchain only stores transaction and link to the media file which is located elsewhere on the web.
Russian subtitles are available
What is Freezing Metadata? | OpenSea Help center
1:09 What is stored on blockchain
1:24 NFT art components
2:40 Data freezing on OpenSea