{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to avoid selfish mining in blockchain?","a":"Adjust mining rewards: By setting  up a dynamic mining reward mechanism, miners cannot receive additional benefits when engaging in selfish mining. For example, when a miner mines a new block, the reward will decrease with the increase in mining difficulty, thereby reducing the temptation of selfish mining."}]}],"pr":"1570edc0599db55bb50b0424aee27981ad1e7dd5a75c55bc6bbbda192ae5902e"}