{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure security?","a":"Consensus mechanism: Blockchain employs a consensus mechanism, such as proof of work (PoW) or proof of stake (PoS), to reach agreements on the validity of transactions and establish new blocks. This process involves complex calculations that are  difficult to tamper with, adding an extra layer of security to the system."}]}],"pr":"ab96149f55174b39da542dcd64c21abe2fd6bb9ac8162ebe459bce80ab3ba7b1"}