{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of smart contracts in blockchain?","a":"Cross-border payments: Smart contracts can simplify cross-border payment processes, enhance payment efficiency, lower transaction fees, and  provide fast, secure, and low-cost solutions for payments worldwide."}]}],"pr":"45c625907497865caa79721438158968856848b18d9eb8646d110a34bb592e91"}