{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Does implementing smart contracts in blockchain require any fees?","a":"The gas fee is a type of charge in the blockchain network, used to incentivize miners to verify and execute smart contracts. The gas fee is calculated  based on the complexity of the smart contract and the number of executions. The higher the fee, the faster the execution speed of the smart contract."}]}],"pr":"9138cea97b27723f092f97774aee5d536f77808f28bfdf2e7ec0cfe1beb8bd90"}