{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the weaknesses of blockchain technology?","a":"Limited transaction speed: When a transaction is published to the blockchain, all nodes in the entire network must participate in the verification and recording of transaction information,  which is a slow and redundant process that requires a large amount of processing power. This makes the transaction speed of the blockchain relatively slow, going against the development of real-time interactive internet infrastructure."}]}],"pr":"f7e5b0aa8066a74ef12b00a5def01b40cd17a3a176e9c8aa497d4be9d1d8c577"}