{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of transaction block hashing in blockchain?","a":"Prevention of Tampering: The calculated  hash value remains unchanged, indicating that the information in the blockchain has not been tampered with. This ensures the integrity and reliability of the blockchain."}]}],"pr":"ad60187cf337b8ddf7b499bb93ae447737de37173baa035dbf8c72596145c768"}