{"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":"Download and install Solana client: First, the validation node needs to download and install the Solana client to interact with the test network."}]}],"pr":"d3f4e49961887e788a65898720967b4cb94e2b1ee73b2de0b9266b72058c63a9"}