{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the immutability of data through technological means?","a":"Hash functions and Merkle trees: Blockchain employs  hash functions to create a cryptographic link between each block and its predecessor. Merkle trees are used to efficiently verify the integrity of the data in each block, providing a secure and tamper-proof storage mechanism."}]}],"pr":"c8229201c4222fa09f21dbc7947a9984e7f372dfdd3d35f5de15f5a37ebb7249"}