{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is it necessary to set up a local private network in cryptocurrencies?","a":"Efficiency: A private network can reduce network congestion and improve transaction  speed. In a public network, transactions are subject to network congestion, which can slow down the transaction process. By using a private network, users can conduct transactions more efficiently."}]}],"pr":"a0e6da9cb30c2b96a23277bb729d1740c80538ec436dddfcc0b581eebe27d5d2"}