One of the benefits of this project to the sellers is they will get a 50% Ad profit share, which is good because even though you can't sold or all of your product are sold you will still receiving your benefits, and also the buyers will also benefits another 30% of Ad profit share if the product is being sold.
So nice that bidium is decentralized exchange by already using blockchain application. all of the data ang also multimedia uploads will be stored on the blockchain. Decentralization allows to use of the network on peer to peer. Each individual user of auction and freelance platform wil have there own copy of data.