{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the limitations of passive allocation mechanisms in blockchain?","a":"Lower degree of decentralization: Compared to the consensus algorithm of Proof of Work (PoW), the  node election process under the PoS mechanism depends more on the existing stake distribution, which leads to a certain degree of centralization and is prone to the"}]}],"pr":"5f0482f4b32c66ec5fbf55588b885c2b64b0a631509c76dcbb222773f9f01a95"}