{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to calculate the cost of creating a concurrent Merkle tree on the chain?","a":"Time as cost: The construction of the Merkle tree  requires a certain amount of time, including processing the hash of each data block, calculating the hash of non-leaf nodes."}]}],"pr":"d70107e964231b9afaf529c54118c9ca10ff442d5bc2ca3ca79ea6c2d159a954"}