{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus mechanisms work in blockchain?","a":"Preventing Double-Spending Attacks: The consensus mechanism ensures that in the blockchain network, a single transaction can only be processed once, preventing malicious actors from cheating by using double payments or other means."}]}],"pr":"54fd6f3ad3ca218b6ed249043656863da348cf2279ecce2a57705183043fb2b3"}