{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology enable secure transactions of electronic signatures and contracts?","a":"Consensus mechanism: Blockchain technology employs a consensus mechanism to validate the authenticity of transactions and  ensure the integrity of the blockchain. In the consensus process, multiple nodes in the network reach a consensus on the validity of the transaction, making it difficult"}]}],"pr":"700d93f691a5b14c7ad33f0bdf74e2690b5e2b60e4b5e019358fa97a5a005b1e"}