{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the transparency of transactions?","a":"Distributed ledger: The distributed ledger in blockchain technology  records all transaction information, and each node saves the complete ledger data. This makes it difficult to tamper with transaction information because to change a certain transaction, attackers need to tamper with the data on all related nodes at the same time, which is extremely difficult."}]}],"pr":"eb811de87ffcdf3756493161b14ec8dd4e9ec6edb3a1be7bdc9d4397d8c65ffe"}