{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to decentralized exchanges?","a":"Consensus mechanism: Blockchain technology uses  a consensus mechanism to validate the effectiveness of transactions and reach consensus. The consensus mechanism can be Proof of Work (PoW), Proof of Stake (PoS), or others, and different consensus mechanisms have different degrees of decentralization."}]}],"pr":"de3000f9e586cd9cbfffd392613cde35c260fd57abe603593f0422e6da258a9e"}