# Dracula Marketplace Overview

The Dracula Marketplace is targeted to be an open-source NFT marketplace for users to browse, buy, sell, or create their own NFT. The meta-data of NFT on Dracula sticks to the BSC standard. The ERC721 standard NFT can be seamlessly deposited on Dracula, or in reverse.

The above diagram shows the framework of Nft Marketplace and Dracula. All the buy/sell offers, meta-data of NFT/Collection, medium resources, and account profiles are stored in the backend of the NFT marketplace, only the contendHash, ownership, creatorTreasuryRate, and a few other fields are recorded on Dracula. To encourage price discovery, anyone can place a buy/sell offer in the marketplace without paying any fees since the offer is cached in the backend instead of being sent to Dracula. Once the offer is matched, an AtomicMatch transaction that consists of a buy and sell offer will be sent to Dracula to make the trade happen. Users can also cancel an offer manually by sending a cancel offer transaction to disable the backend-cached offer.

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