{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the solutions to the scalability issues of blockchain?","a":"Layer-1 sharding:  dividing the blockchain network into multiple segments, each of which independently processes transactions."}]}],"pr":"6779fa7c35a0165f71bb10dd5a50b11dc3e1101539198295c3a31c71bf4d8792"}