{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the cost of creating and maintaining a concurrent Merkle tree calculated?","a":"The cost of creating a concurrent Merkle tree involves multiple aspects, mainly including hardware costs, time costs,  and human resource costs."}]}],"pr":"6e7015fbe744b0dae8915952e98c4664aac53b2960b0f9e97bcc69e7a4176185"}