> For the complete documentation index, see [llms.txt](https://eggverse.gitbook.io/eggt-documents-1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eggverse.gitbook.io/eggt-documents-1/about-eggverse/09-1-nft-with-real-products.md). # 09-1 NFT with real products

Figure 14. Escrow Smart Contract System of EGGVERSE

The EGGVERSE team recognized that providing safe real transaction services like a centralized platform as a key task in implementing O2O services that deal with real things in the NFT marketplace, and implemented the escrow smart contract. Figure 14 is EGGVERSE's escrow smart contract system. When a seller registers a product, the buyer bids on the product, and the cryptocurrency used in the bidding is transferred to the escrow smart contract as collateral. Buyers can increase the reliability of transactions by sending DMs to sellers. Afterwards, when the auction closes and the successful bid is completed, the seller ships the product to the buyer, and the buyer who receives the delivered product checks the product's condition before proceeding with the purchase confirmation process and the cryptocurrency deposited in the smart contract is sent to the seller. And the NFT is sent to the buyer and the auction is closed. In a word, EGGVERSE is the first in the world to support secure transactions in a trustless manner for real objects. The decentralized NFT metaverse platform of the EGGVERSE project avoids issuing only tokens that are traded or using tokens issued from actual commercial services only as a simple payment method without developing the platform. In fact, unlike other projects that provide unfinished blockchain platform services, EGGVERSE is currently providing the commercialized NFT marketplace services and platforms using multichain technology, partially universal standard and a decentralized system.