{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain technology, how can a light client enhance its historical hash query for blocks?","a":"Utilizing Merkle Tree: Lightweight clients can construct a Merkle Tree from the transaction information within a block, significantly reducing the number of historical blocks that need to be queried. When searching for the hash value of a specific transaction, lightweight clients can quickly locate the target block  according to the hierarchical structure of the Merkle Tree."}]}],"pr":"214e5e2ed293b4e1db0bc8b57ec8565cecf3977fd6001a53a601e5d94868995b"}