{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to electronic contracts?","a":"Ensuring data authenticity: Each block in blockchain technology contains the hash value of the previous block, forming an unchangeable chain structure. In the scenario of electronic contracts, each contract can  be regarded as a block. Once the content of the contract changes, the structure of the entire chain will change."}]}],"pr":"cb8955134c2340857faff65e01cc0b6ee0ef3e413a82902db8b34bd668ebf0fd"}