{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the security of transfer operations be ensured in a blockchain?","a":"Decentralized structure: Blockchain adopts a decentralized network architecture, and transfer operations do not  depend on centralized servers or institutions, reducing the risk of single-point failures."}]}],"pr":"1701c0a5f547bd3cf66643203111d4bbd7f1ce0beac5fd0220866ee8c8c996ce"}