{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the disadvantages of distributed applications on blockchain networks?","a":"Scalability: The transaction processing capability of blockchain networks is relatively limited. For example, the Bitcoin network can only handle about 7 transactions per second."}]}],"pr":"c07b3331d47de5b2d40d39c3b10c026d9b54a24994646d7944e2cf1bd76ef6ac"}