{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are data and transaction confirmation in blockchain?","a":"The data in a blockchain mainly consists of blocks, transactions, and world  state. Blocks are the basic building blocks of a blockchain, storing consensus transaction data. Transactions are the core elements of a blockchain, representing economic activities in the real world. The world state refers to the current state of the blockchain system stored in memory. Transaction confirmation refers to the process of including transactions in blocks and obtaining consensus in a blockchain network. Once a transaction is confirmed, it cannot be tampered with, ensuring the security and reliability of the transaction."}]}],"pr":"6546ac2776313803d4cbad9ef6632e8e896636782330eb9e3f6cee4fcf94df30"}