{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent tampering in a blockchain?","a":"Decentralized structure: Blockchain adopts a decentralized network architecture, with data stored on multiple nodes across the entire network. No single node can modify the blockchain data alone. Tampering with data on a particular node does not affect  the integrity of the entire blockchain, as other nodes still hold the complete blockchain data."}]}],"pr":"e7f07b782b77a4e9aabe00dbbbfd9b4d39f0e683ba235525ba804f56ef453fde"}