{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the sources of randomness in blockchain?","a":"Transaction Randomness：In blockchain systems，the processing order and time  of transactions may vary，which introduces randomness into the system. For instance，transactions are often confirmed in a random order，and the time between confirmations can also vary depending on the network congestion and other factors."}]}],"pr":"a67f4f00746a6db43ea7e8a372956e68bc363dc4a0bce14a3c52a9045302423c"}