{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do testing and validation nodes in a blockchain interact with local programs?","a":"Send requests: Once the connection is established, the testing and validation node sends specific requests to the local program, which usually contain operations or queries to be executed. These requests can be based on the blockchain protocol and the local  program's implementation."}]}],"pr":"9a3c6a7b02dbf84e346fee6243ffaa363bd4315eed781c588435692644043dcf"}