{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do lightweight clients in blockchain help prevent long-range attacks?","a":"Consensus mechanism: Light clients in  blockchain networks rely on consensus mechanisms like Proof of Authority (PoA) or Delegated Proof of Stake (DPoS) to validate transactions and establish a reliable"}]}],"pr":"56f0981c7ad1cfe2b04cca1771279d0c3d2960cf352da97a05878bcbf4cc87c9"}