{"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":"15c3b7f8786559866f77643c5a3fd85a352e8203b5b4bb077813ce4dbaca4f5b"}