NFTify supports multi-chain, allowing Store Owner (Seller) to create their own store with a specific network such as Ethereum, Binance Smart Chain, Polygon. However, a store can only be connected to a specific network.
For example, you've already created a Store A on the Ethereum chain; then you create NFT in Store A, so the NFT is an ERC token and on Ethereum Chain.
If you create another Store B on Binance Smart Chain, then the NFT created under Store B will be on the Binance Smart chain. There is no movement/ transferring between these chains/networks.