{"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":"0da8fffdfc25744458c10742a6b05291400e72057bd4142798834798cc511c07"}