{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible values for the COMMAND option in a blockchain?","a":"Create  new block: Create a new block and add transaction records to it.\n2. Mining: Find candidate solutions for new blocks by solving complex mathematical problems and add them to the blockchain.\n3. Validate transactions: Validate the effectiveness of transactions and ensure that they comply with the rules of the blockchain network.\n4. Confirm transactions: Add validated transactions to blocks and broadcast them to the entire network.\n5. Mine new block: Mine a new block containing verified transactions."}]}],"pr":"a7b8f4bddd19ed3f376a38da15738f7dcfe692a6d803dfb5ff0f2e160553a8dd"}