{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address the issue of high data storage costs?","a":"Data compression and integration:  Blockchain technology can compress and integrate data to reduce the volume of stored data. This effectively lowers storage costs and improves the efficiency of data storage and retrieval."}]}],"pr":"bf89efb1245f01c90503110f42a57e10c3738e604557019cbd9e3aa1f47ab862"}