{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the Solana test validation node validate the backward compatibility of new programs in the blockchain?","a":"Connect to the test network: The validation node needs to connect to  the Solana test network to communicate with nodes and transactions in the test network."}]}],"pr":"2ebd392d27960101a6101945518aa574a8b5ef79d77f35270e2abb4b62f2f29d"}