{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the JavaScript tracking feature of a blockchain work?","a":"First, a blockchain node needs to be created. This node can be a full node or a light node. In this process, the interaction between the node and the blockchain network needs to be implemented, such as receiving and sending transactions,  obtaining block and transaction information, etc."}]}],"pr":"095a69877c2001389bcc414c13e684d235ac746ea88bd1d860b230472f27ab87"}