{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you operate on commissions and revocations in a blockchain?","a":"Create a smart contract: First, a smart contract needs to be written, which includes relevant functions for handling appointments and revocations. The programming languages for smart contracts  are usually Solidity, Vyper, etc., which are designed for blockchain platforms such as Ethereum."}]}],"pr":"96d6346667c20de13ee26a870fd68a4e716d58819798997b9de0974c993c5b88"}