{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the credibility and transparency of data?","a":"Decentralization: Blockchain technology  uses distributed node consensus algorithms to generate and update data, without relying on centralized servers or institutions, reducing the risk of data tampering."}]}],"pr":"92a73e33984a4dec4603db7018faacf08ad48fa30bc71975557e0c3bea611b71"}