{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure data privacy?","a":"Cryptographic protection: Each block in the blockchain contains information from the previous block and a timestamp. Through cryptographic algorithms, the blocks are connected to form a tamper-proof chain. This makes tampering with data extremely difficult, as it requires an attacker to  change all the blocks in the chain."}]}],"pr":"5b10d0d52ed8f471c96f417f677f0e9be3f2af63dcc0c880c143a0d3a343ead2"}