{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do I calculate the cost of creating a tree on the blockchain in JavaScript?","a":"Secondly, analyze  the cost of creating a tree. The cost of creating a tree on the blockchain mainly includes the following aspects:\n\n   - Miner mining: Miners validate transactions and create new blocks by solving complex mathematical problems. Mining difficulty"}]}],"pr":"ea99fa19073bf8c7249a1dee90a7478eebf8bc1423c2556179fdb684e6023278"}