{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the Hash Locking Technology in Blockchain?","a":"One-wayness: The  calculation process of the hash function is one-way, which means the process from the original data to the hash value is irreversible, making it difficult to derive the original data from the known hash value."}]}],"pr":"62781521f4881c61bf07bd77d073f64d0d96688b3f877b8008b4b13c57cadd46"}