{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of consensus mechanisms in different stages of the blockchain?","a":"Developed stage of blockchain: As blockchain technology became  more deeply integrated into various fields, people began to pay attention to energy consumption and performance issues. Therefore, the Proof of Stake (PoS) consensus mechanism emerged as a solution. The PoS mechanism ensures the security of the blockchain network by selecting nodes with a certain amount of cryptocurrency holdings to validate transactions."}]}],"pr":"1425e00de540e0af39869a06498083e6bccc72c15b5a68830cbfeb24f55ba660"}