{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the disadvantages of blockchain technology?","a":"Energy Consumption: The consensus mechanism in blockchain technology (such as proof of work) requires a large amount of computing power, leading to increased energy consumption. Particularly in the mining process of cryptocurrencies like Bitcoin, energy consumption has become a  pressing issue."}]}],"pr":"e7ce0c089d0f6f32b170399392e6fa468c69e493d6ce62f7e41affd92164bd0d"}