{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the weaknesses of blockchain technology?","a":"High computational cost: Due to the distributed nature of the blockchain architecture and the consistency mechanism of validation activities, each node in the network will generate infinite parallel execution for each transaction. This means that the computational cost is very high. The available computing resources in the network  are consumed heavily, which may lead to a bottleneck in the overall performance of the system."}]}],"pr":"eb94452e23c25935b5cc81f9c4d526fffb06cb4279b756c03f19afffaa91525b"}