{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problem of digital content copyright protection?","a":"tampering: The tampering of blockchain technology is highly resistant, as it requires the simultaneous  tampering of multiple blocks, which is both time-consuming and resource-intensive. This feature"}]}],"pr":"f6e510207470d73d2ec9c7b5eda316ab4cd8c5f1b8c5430c87dc2f1757093741"}