Bockchain history of trades
What is the maximum size of the data can be stored in the blockchain? Bitcoin now has a transaction history of more than 200 gigabytes. If the platform is popular then the size of the blockchain will increase at a tremendous rate.
For successful work of the seller or the buyer it will not be necessary constantly to process all volume of this information. Individual segments will be studied. It will be like a huge distributed database, where everyone will search for the information that interests him.