{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the validity and confirmability of transactions?","a":"Consensus mechanism: Blockchain employs a consensus mechanism, such as Proof of Work  (PoW) or Proof of St"}]}],"pr":"e8dfce98216d3e7cba31d084684d2bc61698b507ae4c4512d102f3747b53d40c"}