{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus mechanisms in blockchain ensure data consistency?","a":"Node proposes block: Nodes that have successfully verified transactions propose new blocks containing  the verified transactions."}]}],"pr":"8a44322f13b8907aaf0442c604122765fb0ba561f208f1df22faf025acd7eab0"}