{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchain protocols compare different protocols?","a":"Data storage and transmission mode: Different blockchain protocols have different data storage and transmission modes, such as some protocols use distributed storage, while others use centralized storage. Distributed storage is more fault-tolerant and secure than centralized storage."}]}],"pr":"799f4695e31141b907aa2afd0bb83d4ed75c88ec99b14f74dc2b96366ea4b0b5"}