{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the challenges in detecting duplicates of on-chain data?","a":"Data heterogeneity: Blockchain data usually involves various different data types, such as text, images, audio, etc. Different types of data require different methods for duplicate detection, increasing the complexity of the detection algorithm."}]}],"pr":"057a9e8b172b7847b001d2cb9c458bfac0cb2012baa3dd121beae11312c3e133"}