{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the indexing technologies in the blockchain?","a":"Chain Hash Table: Chain Hash Table is a technology  used in blockchain to achieve fast indexing and retrieval of data. It is a hash table organized in a chain structure, where each node contains a hash value of the data it represents. This enables efficient searching and verification of data across the entire blockchain network."}]}],"pr":"62efdbc0d51b0731b3e382eeadaa47400339c5e1992b2b45095c6ba02c238850"}