{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security risks associated with blockchain technology?","a":"Private key loss: Blockchain technology relies on the security of private keys. Once the private key is lost, users will be unable to perform any operations on their account assets. Although multi-signature technology can solve this problem to some extent, it  is relatively complex to implement and requires a corresponding secure key management and usage system."}]}],"pr":"8049b223d0a0ebdc17bb5fe5a225e57cb8be2fbd361c577b61b839bdc78d932c"}