{"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":"5124bf8bbe338b745b0ac9cb48030fa86b82f6c021e2b6b6e2c7e5fae6c2678c"}