{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are PoW mining rules defined in a blockchain?","a":"Block generation: PoW miners compete to solve complex mathematical problems to generate new blocks. The miner who  solves the problem first will get the block reward."}]}],"pr":"2ed8394de8d81140503d5bd76f94cf983e11f33500288538d37d100bd86f9653"}