{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology prevent distributed denial of service (DDoS) attacks?","a":"Cryptographic protection: Blockchain technology uses encryption algorithms (such as SHA-256) to encrypt and validate data, ensuring data security. Attackers need to crack the encryption algorithm to tamper with blockchain data, which  is significantly difficult and time-consuming."}]}],"pr":"588fd4b622cf9b1904d467c036726bbccafbaa238b1545d17d5b2c25ad6dd55e"}