{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are specific evidence types handled in the blockchain?","a":"Data structure optimization: By using  specific data structures such as Merkle tree, PBFT, etc., the evidence is encoded and compressed to reduce storage and transmission costs."}]}],"pr":"f3db3241050c565637d7be1ccfb46e831b027aa1b15860b871939c62edeba04f"}