{"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":"f0ddcfe0154d8b0d3c17e2b977ca7cf3d54dd9ef01ff87ed9247e3c81f098e32"}