{"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":"b4337778f8ee734cbaac331a29a904578c1386ced85988d9437017a414f61bad"}