{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how do you transfer an object to another user?","a":"Obtain transfer permission: Users need to obtain the permission of the blockchain network to call  the transfer function in the smart contract. This usually requires authentication and authorization operations, such as using a private key signature."}]}],"pr":"0fb439f0ef768c96568166727a5374cdd9c67aed0bedd43e4c952e74605919f5"}