{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the different types of blockchain protocols?","a":"Bitcoin Consensus: Also known as chain consensus,  it usually uses the longest chain rule to achieve high probability consensus in most cases."}]}],"pr":"f1e3cf981e297c7f06688638f830d05e06c6282aa8a0806d2187806ebfff2128"}