{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, are the uploading and instantiation of smart contracts subject to permission restrictions?","a":"Account permissions: In a blockchain system, users need to create an account to deploy and execute smart contracts. This account has an independent naming permission list, allowing single-user or multi-user authorization. Therefore, before uploading a smart contract, it is necessary to ensure that the account has  sufficient permissions."}]}],"pr":"d4bbd25260aa1d6968a962e0f5ef8618fb83113a8dcb4aec6ca60bebf6682660"}