{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security issues associated with blockchain?","a":"Data tampering: Although it is difficult to tamper with blockchain data, it is not entirely impossible. If attackers can gain control over a sufficient number of nodes, they theoretically could tamper  with data on the blockchain. However, such an attack would require significant computing resources and energy consumption, making it relatively rare in practice."}]}],"pr":"da845b1551a30e9140892536c70b6febf157cf9d9322c5f2954fa7ca0646b2cd"}