{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can non-validator token holders in a blockchain help prevent the occurrence of long-range attacks?","a":"Support and participate in blockchain networks that adopt weak subjectivity. Weak subjectivity requires that all nodes on the network periodically check the latest blocks and reject blocks that reorganize ancient records. In this way, even if attackers purchase old private keys, they cannot build enough fake chains in a short period of  time to affect the fork selection rules."}]}],"pr":"83eb0dedd212a3cebdb62733b908292efd22910934a6ec2ebb3b70c92e2ecf67"}