{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain improve the security of transactions?","a":"Immutability: Once a transaction is recorded in the blockchain, it cannot be tampered with or deleted. This feature ensures the integrity and security of transaction data."}]}],"pr":"d0acc39ce0c95dd008657f4460e1d3bca67218c1f4c04e15e1e182d90933c51e"}