{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the consensus algorithms behind blockchain technology?","a":"Proof of Work (PoW): The consensus algorithm adopted by Bitcoin, where miners compete to generate new blocks by solving complex mathematical problems. The winner will receive block rewards. PoW ensures the security and consistency of the blockchain network, but also has issues such as high energy consumption and slow speed."}]}]}