{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the centralization problem in blockchain?","a":"Consensus mechanism: Blockchain employs a consensus mechanism to ensure that the network operates in a secure and transparent manner. The consensus  mechanism involves nodes competing to solve complex mathematical problems"}]}],"pr":"27b669dacf744d2fc678cf49f60ab3c1d52b5cffd6f568067020e316c43b8c91"}