{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure that Dumb Contracts' state matches the Ethereum transaction history?","a":"Transaction calls: When users interact with smart contracts, they will send transaction requests to the contract address. These transactions will contain some  parameters and data used for"}]}],"pr":"2a9b93201e40da885c57d125ad76efc537941ce0cca7442a6b860bdc2fe6ff14"}