{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of DApp (Decentralized Applications) in the blockchain?","a":"Security: DApp relies on blockchain's encryption algorithms, such as hash functions  and digital signature technologies, to ensure data security and privacy protection."}]}],"pr":"9f49f7d988bba599b84f6a4bd66060b2fbb10eed67dfa094ecd500d2966401ad"}