{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the relationship between signature rewards in blockchain and time intervals?","a":"Security of blockchain network：Time intervals are designed to ensure the security of the blockchain network and prevent malicious activities such as double-spending attacks. Within a certain time interval, miners need to solve complex  mathematical problems to obtain the right to create blocks, thereby ensuring the transaction order and security within the blockchain network."}]}],"pr":"dd0d0450cfcd17907c3a021dc1feaab43da756b01e5d200ed3192193a40e356e"}