{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology avoid Sybil attacks?","a":"Consensus mechanism:  The consensus mechanism in blockchain networks (such as proof of work, proof of stake, etc.) ensures mutual trust between nodes. Attackers need to control a certain proportion of nodes to influence the consensus of the blockchain, which greatly increases the cost and difficulty of the attack."}]}],"pr":"a6bb2dcae5c069266314aad1fcc89b4eb07f567ad334233baef78079aefcb09e"}