{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address environmental and sustainability issues?","a":"Transforming consensus mechanism: The current mainstream consensus mechanism of blockchain technology, Proof of Work (PoW), leads to  high energy consumption and carbon emissions. To reduce energy consumption, new consensus mechanisms such as Proof of Stake (PoS) can be introduced. This mechanism does not require substantial computing power, thereby reducing energy consumption and carbon emissions."}]}],"pr":"e26bff79fd405ca323723b3b6d54ef2bf78837de9cbd5e8f6dee0bbfc1fdefae"}