{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the issues with the Proof of Stake (PoS) mechanism?","a":"Capital concentration: The PoS mechanism allows participants with more tokens to obtain the right to validate blocks, which may lead to capital concentration in a few hands and thereby affect the degree of  decentralization of the network."}]}],"pr":"8baa19b83058d254750d0bcae827d4982ecf770b737c6ef68b19a24b825e64b8"}