{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to build and send transactions related to creating a tree on the blockchain?","a":"Write a smart contract: According to the tree's structure and functional requirements, write the corresponding  smart contract. The smart contract code needs to follow the language specifications of the selected blockchain platform, such as Solidity (Ethereum), C++ (Bitcoin), etc."}]}],"pr":"8d3c8054a04d7c7b759af8ec45c47f2102bc0f91bf94240f0dbde24881859d51"}