{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the Solana testing and validation node in blockchain verify the security of new programs?","a":"Unit testing: Validation  nodes write and execute a series of unit tests to ensure that the new program is secure at the single-component level. These tests aim to verify the correctness and response of the new program to various inputs."}]}],"pr":"1562da3df0317be3a90ca6101206a84f4b6c4d4c99e368b3bdab0ac4e9b71328"}