{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the potential security risks of 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 supporting key management and usage system."}]}],"pr":"7d77a20568d8852b9db8cf5d15cd217aa379e65c25a212a3ea7defcd57c192d3"}