{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain handle the security issues of file system wallets?","a":"Merkle DAG: \n\nMerkle DAG (Merkle Directed Acyclic Graph) is a data structure that allows for efficient and secure verification of data integrity. It is used in blockchain systems to store and verify transactions,  and can be applied to file systems to ensure the security and integrity of stored data."}]}],"pr":"d6ff44a8da2bc31851b1ce64d454644be40c9ce6826375ffbe18ad7bb54ffed0"}