The original token YFW in the BIW network is a functional token that realizes the distributed storage value of the entire network. As a decentralized cloud system, YFW is a distributed network that is public and open to everyone to participate freely. In the storage resource market, the services provided mainly include two types: file storage services and file retrieval services.
YFW is the way of BIW's storage market pass to the community. The function is mainly to serve the storage market of BIW.

Storage resource providers are merchants in the BIW network, and both verification nodes and candidate nodes can become merchants; storage resource users are users with data storage and retrieval needs, including Web2 centralized cloud storage users, large Web3 ecosystem users Decentralized users of data storage needs. In order to meet the service needs of the storage market, resource providers need to be online 7×24 hours. We have designed corresponding mechanisms in the network access protocol for verification nodes and candidate nodes, and there are also requirements for merchants to be online in the trading market.