{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can I calculate the cost of concurrent Merkle trees on the chain through JavaScript?","a":"Create a Merkle tree from a list of hashes: Implement a function to build a Merkle tree from a list of hashes, using the `MerkleTreeNode` structure."}]}],"pr":"59679d28c142a841e2b1972d20c60dc7f6163e95916e070b5a50ad49cb0a14ef"}