ERC-404 is a novel Ethereum standard merging regular tokens with unique NFTs. It allows these NFTs to be divided into smaller units for easier trading. Instead of owning a whole NFT, you can own a fraction of it represented by tokens. When you sell these tokens, a corresponding part of the NFT is transferred, simplifying ownership without directly transferring the NFT itself. This simplifies the process of buying and selling portions of NFTs while maintaining cohesion.So what happens if you want to sell your tokens but don't want to part with your NFT? That's where Memephandary comes in handy. When you transfer your tokens, instead of burning the NFT, its ID will continue to be held in your wallet. If you purchase new tokens, the corresponding NFT will automatically belong to you again, as long as there are still stocks available, of course.