{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the security and correctness of the newly created address and unspent transaction outputs be ensured in a blockchain when sending a transaction?","a":"Chain-based structure: The blockchain uses a chain-based structure to store transaction data, where each block contains the hash value of the previous block, forming an unalterable chain-based structure. This ensures the integrity and security of  the transaction history."}]}],"pr":"07aa509a335f4a145f85a4ed74634172bc76af1e674406cb6a61aad90d885c7d"}