{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the differences between cold wallets and hot wallets in blockchain?","a":"Security: Cold wallets have higher security because they offline store private keys, never touching the network, avoiding the risk of hacker attacks. Although hot wallets also have a certain level of security, they run on the network and theoretically exist the possibility of being attacked  by hackers."}]}],"pr":"43366641e384282cf006f72b48afd0902ad106ecdc1df8372e0aac4613a9c166"}