{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the immutability of transactions?","a":"Decentralization: There is no central node in the blockchain network, and all nodes are equal, each with a complete copy of the ledger. This means that any modification requires consensus from  all nodes, ensuring that no single entity can modify the data in the blockchain."}]}],"pr":"149d34d4c397c10c4cce4d078e73eb670680880637dc5ada2c3459240e668198"}