{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the security of the multi-signature scheme in the blockchain ensured?","a":"Distributed consensus: Blockchain adopts a  distributed consensus mechanism to ensure that multiple nodes in the network jointly maintain the same blockchain data. Even if some nodes are attacked, other nodes can still ensure the security and consistency of the blockchain."}]}],"pr":"621ad60f527c780b3ebcb809ef116e631f1df59d83635b8a2ded2e4d2bdfce3c"}