{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What events occur in the binary options market within the blockchain?","a":"Enhanced transaction security: Blockchain technology has the characteristics of data being  tamper-proof and decentralized, which can ensure the security and reliability of transaction records, effectively prevent fraud and market manipulation."}]}],"pr":"3262b6710fe7899a61bff16144d634eed19d9fc94b2b0bb45b3952c86deeee91"}