{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to use parallel Merkle trees in blockchain for encrypting and protecting offline data?","a":"Choose an appropriate hashing function: First, select a suitable hashing function, such as  SHA-256, to perform hash operations on data blocks."}]}],"pr":"6fc5d4e8c5791db10dcebcdddfffedb95f5054e13f197c9447a1281bc5c4b643"}