{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain validators regularly clean up chain data?","a":"Collect chain data: Blockchain validators first collect information about transactions and blocks from the blockchain network. This data includes transaction details,  block hashes, timestamps, etc."}]}],"pr":"322aba710d2149db022cfe800a046c6f4a9d63e0898e6799b8edc6d1cba2ccf7"}