{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain solve the problem of data consistency?","a":"Proof of Stake (PoS): A consensus algorithm in which nodes stake their tokens to participate in the consensus process, and the  right to create new blocks is granted based on the stake."}]}],"pr":"ca090f328b5387a36378e3d87f942f4a2aaff69bdb4b0188147115c8d9d87258"}